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QUEENSLAND GAS COMPANY

QUEENSLAND GAS COMPANY LIMITED

QGCQGC BERWYNDALEBERWYNDALE SOUTHSOUTH #24#24

WELL COMPLETION REPORT

PL 201 – QUEENSLAND

Queensland Gas Company LimitedA.C.N. 089 642 553 Level 11307 Queen StreetBrisbane Queensland 4000

Date: May 2006

Date Revision Description Checked Geology

Checked Drilling

Approved General Manager

Production

ApprovedGeneralManager

OperationsA Issued for

Approval

TABLE OF CONTENTS

WELL DATA CARD

1.0 SUMMARY 1

2.0 WELL HISTORY 2

2.1 GENERAL DATA 22.1.1 WELL NAME & NUMBER 22.1.2 PETROLEUM TENEMENT 22.1.3 GRID LOCATION 22.1.4 ELEVATIONS 22.1.5 NAME OF OPERATOR 22.1.6 OTHER PARTICIPANTS 22.1.7 DATE DRILLING COMMENCED 22.1.8 DATE TOTAL DEPTH REACHED 22.1.9 DATE DRILLING RIG RELEASED 22.1.10 TOTAL DEPTH 22.1.11 STATUS AT RIG RELEASE 22.2 RIG DATA 32.2.1 DRILLING CONTRACTOR 32.2.2 DRILLING RIG DETAILS 32.3 DRILLING DATA 32.3.1 DRILL BITS AND TYPE 32.3.2 DRILLING FLUIDS 32.3.3 HOLE SIZES & DEPTHS 32.3.4 CASING & CEMENTING 12.3.5 PERFORATION INTERVALS 12.4 LOGGING AND TESTING 22.4.2 MUDLOGGING 22.4.3 DITCH CUTTINGS 22.4.4 WIRELINE LOGS 22.4.5 TEMPERATURE SURVEYS 2

3.0 GEOLOGY 3

3.1 SURAT BASIN SETTING 33.2 REASONS FOR DRILLING 43.3 STRATIGRAPHY 43.4 COAL SEAMS 5

4.0 REFERENCES 6

TABLE OF ATTACHMENTS

LIST OF FIGURES

Figure 1 Location Map – QGC Berwyndale South Figure 2 Well Summary DiagramFigure 3 Time-Depth CurveFigure 4 Stratigraphy – Surat BasinFigure 5 Stratigraphy – Walloon Subgroup

LIST OF APPENDICES

Appendix I Daily Drilling/Geological Reports Appendix II Cuttings DescriptionsAppendix III PWL Berwyndale South

LIST OF ENCLOSURES

Enclosure 1 Wireline Log Data (LAS Format) Enclosure 2 Wireline Log Prints

Date Spudded: 20:00hrs 02/02/06Date TD Reached: 01:30hrs 05/02/06Date Rig Released: 24:00hrs 08/02/06

Total Depth: (m RT)

Driller 668.00Logger 669.12

PBTD: (m RT) N/A

Completion Style: Open hole - behind pre perforated production casing

Type Structure: Coal seam gas developmentPlugs: (m RT)

From To

Drilling Contractor:Rig No. & Type:

EnsignRig #34

Location:Latitude 26 52’ 53.8266” SLongitude 150 18’ 56.6564” E

Elevation:GL 299.37m (AHD)RT 303.69m

Status at rig release: Awaiting completion

Hole Size: (m RT)

From (m) To (m) Diameter0.00 9.00 17”9.00 64.00 12¼”

64.00 668.00 8½”

WELL DATA CARD QGC BERWYNDALE SOUTH #24,PL 201

PAGE 1 OF 2

WELL DETAILS

CASING & CEMENTINGINTERVAL OD Shoe (m RT) Wt Grade Cpl CommentsConductor 14” 8.00 Weld Cemented by QGC

Surface 9⅝’’ 64.00 36lbs/ft K55 BTC Cemented to surface by Des Caling Pty Ltd

Production 7" 664.80 23lbs/ft K55 BTCPre perforated casing run over all prospective coals in the Juandah and Taroom Coal Measures.Cemented to surface by Halliburton Aust. Pty Ltd.

UNDERREAM & PRODUCTION INTERVALS

Seam Name Underreaming (m RT) Perforation (m RT)From To Diameter Net Pay From To Net Pay

Macalister Upper 343.06 345.49 18” 2.43

339.51 514.21 18.53

Macalister Lower 367.78 372.54 18” 3.64

Nangram

377.20 377.80 18” 0.60381.19 388.49 18” 2.90396.20 398.10 18” 0.12400.92 401.42 18” 0.50

Wambo408.60 412.33 18” 2.07418.10 420.50 18” 0.47427.51 429.56 18” 0.58

Iona450.60 455.00 18” 1.27457.40 465.17 18” 1.11471.00 473.00 18” 0.12

Argyle

480.66 481.84 18” 0.68486.84 490.29 18” 0.92496.35 498.80 18” 0.64511.30 512.80 18” 0.40

Auburn 568.53 570.48 18” 1.50553.06 665.16 6.80Bulwer 593.76 597.30 18” 2.47

Condamine 607.14 607.79 18” 0.65

WELL DATA CARD QGC BERWYNDALE SOUTH #24,PL 201

PAGE 2 OF 2

DRILL STEM TESTSTest # Unit/Seam Tested From (m GL) To (m GL) Result

Nil

WIRELINE LOGSRun Log From (m RT) To (m RT) Max RecordedTemp oC

1 Density/Caliper/Gamma/Resistivity (Induction)/ Spectral Gamma 668.70 (First Reading) Surface 45

STRATIGRAPHIC UNITS DRILLED

Age Unit Top Depth (m RT)

Elevation (m AHD)

Thickness (m)

Net Coal (m)

Late Jurassic Gubberamunda Sandstone 4.32 299.37 129.77 -

Late Jurassic Westbourne Formation 134.09 169.60 72.26 -

Late Jurassic Norwood Mudstone 183.51 120.18 22.84 -

Late Jurassic Springbok Sandstone 206.35 97.34 127.38 -

Middle Jurassic Walloon Subgroup Juandah Coal Measures 333.73 -30.04 184.10 19.95

Middle Jurassic Walloon Subgroup Tangalooma Sandstone 517.83 -214.14 50.70 1.34

Middle Jurassic Walloon Subgroup Taroom Coal Measures 568.53 -264.84 63.27 6.80

Middle Jurassic Walloon Subgroup Durabilla Formation 631.80 -328.11 - -

TD 668.00 -364.31 28.09

COAL SEAM INTERVALS

Formation or Interval Seam NameGross Interval Net Coal

(m)From(m RT)

To(m RT)

Thickness(m)

Juandah Coal Measures

Kogan 334.66 336.93 2.27 1.42Macalister Upper 343.06 345.49 2.43 2.43Macalister Lower 367.78 372.54 4.76 3.64

Nangram 377.20 401.42 24.22 4.16Wambo 408.60 429.56 20.96 3.03

Iona 449.11 471.86 22.75 2.40Argyle 480.66 512.35 31.69 2.87

Taroom Coal MeasuresAuburn 568.53 570.48 1.95 1.50Bulwer 584.87 596.70 11.83 3.96

Condamine 607.14 627.09 19.95 1.34

UODBulwer 1

MPA ML 8

QGCBerwyndale #1

MPA ML 32 QGC

Berwyndale #2

ATP 632PMPA

ML 22

26o 50’ 00”

QGC Berwyndale South Field (see inset)

XLXXyloleum 1

PL201

QGC BS #13

OCATalinga 5

OCATalinga 2

OCATalinga 3

OCATalinga 7 - 15

0 2,500 XLXXylon 1

METERS

UODPicurda

1 UODMackie 1

BS #42

PL 201

BS #41

BS #40

BS #38

BS #26

XLXXylene

GSQChinchilla 3

BS #11

BS #39

BS #36

BS #37

BS #34 BS #15

BS #22

BS #27 WELL SYMBOLS

Stratigraphic Bore

BS #30

BS #29

BS #28

BS #18

BS #21Coal Gas Well

CSG Core Well

BS #35

BS #19

BS #17 BS #16

BS #9&14

Dry Hole

Gas WellBS #10

BS #33

BS #31

BS #20

BS #32

BS #8

BS #4

BS #5

BS #6

BS #2

BS #1

Oil Well

Oil & Gas Well

Plugged and Abandoned

BS #24Suspended Oil Well

0 1500

METERS

Inset - Berwyndale South Field Geometry

150o

20’

00”

PL 201 - QGC BERWYNDALE SOUTH DEVELOPMENT

Figure 1

8

Density Caliper Gamma Density

QGC Berwyndale South 24Induction

6 IN 16 0 GAPI 150 1 g/cc 3 0.1 OHMM 1000 0m

50m

100m

150m

200m

250m

300m

350m

400m

450m

500m

550m

600m

650m

14" @ 8.00m

9 5/ " @ 64.00m

Kogan

Macalister Upper

Macalister Lower

Nangram

Wambo

Iona

Argyle

Auburn

Bulwer

Condamine

7" @ 664.80m

334.66 - 335.87m (1.21)336.72 - 336.93m (0.21)

343.06 - 345.49m (2.43)

367.78 - 369.03m (1.25)369.82 - 371.99m (2.17)372.32 - 372.54m (0.22)377.20 - 377.63m (0.43)381.19 - 381.52m (0.33)381.76 - 382.03m (0.27)382.17 - 382.82m (0.65)383.71 - 383.83m (0.12)384.17 - 384.48m (0.31)384.68 - 384.82m (0.14)386.74 - 387.03m (0.29)387.70 - 388.49m (0.79)390.47 - 390.68m (0.21)397.89 - 398.01m (0.12)400.92 - 401.42m (0.50)

408.60 - 408.74m (0.14)409.80 - 411.32m (1.52)411.92 - 412.33m (0.41)420.12 - 420.50m (0.38)427.51 - 427.82m (0.31)429.29 - 429.56m (0.27)

449.11 - 449.40m (0.29)450.99 - 451.37m (0.38)453.37 - 453.87m (0.50)457.40 - 457.69m (0.29)458.63 - 459.16m (0.53)464.88 - 465.17m (0.29)471.74 - 471.86m (0.12)

480.66 - 481.17m (0.51)481.67 - 481.84m (0.17)486.84 - 487.32m (0.48)489.52 - 489.72m (0.20)490.05 - 490.29m (0.24)496.35 - 496.88m (0.53)498.04 - 498.15m (0.11)509.12 - 509.35m (0.23)511.95 - 512.35m (0.40)

539.16 - 539.38m (0.22)541.49 - 541.62m (0.13)558.49 - 558.93m (0.44)559.32 - 559.87m (0.55)

568.53 - 569.27m (0.74)569.43 - 569.82m (0.39)570.11 - 570.48m (0.37)

584.87 - 586.36m (1.49)593.76 - 594.02m (0.26)594.49 - 596.70m (2.21)

607.14 - 607.79m (0.65)609.09 - 609.22m (0.13)616.05 - 616.22m (0.17)625.11 - 625.39m (0.28)626.98 - 627.09m (0.11)

1.42m

2.43m

3.64m

4.16m

3.03m

2.40m

2.87m

1.50m

3.96m

1.34m

134.09m

206.35m

333.73m

183.51m

206.35m

333.73m

517.83m

568.53m

631.80m

700m

750m

TD = 668.00mNet Coal Thickness JCM = 12.80m

Net Coal Thickness TCM = 6.90m

P:\Projects\PL 201\Technical PL 201\Berwyndale South 24\Well Geological\Berwyndale South 24 Well Summary.cdrQ

1.0 SUMMARY

QGC Berwyndale South #24 is a coal seam gas development well operated by Queensland Gas Company (QGC), in Petroleum Lease (PL) 201. The aim of the well was to target, evaluate and produce the potential coal seam gas of the Juandah and Taroom Coal Measures within the Walloon Subgroup in the Berwyndale South area.

The report describes operations from the spud of the well to the release of the drilling rig. Significant details of the drilling are as follows (all depths quoted from RT):

Prior to spud a 17” hole was drilled with air to 9.00m. A 14” conductor was set at 8.00m and cemented to surface by QGC. Drilling of the surface hole was contracted to Des Caling Pty Ltd. A 12 ¼” hole was drilled using air, from 9.00 to 64.00m. 9 ⅝” casing was set at 64.00m, and cemented to surface by Des Caling Pty Ltd utilizing

cement supplied by Wagners Pty Ltd. Drilling of the 8½” hole was contracted to Ensign, Rig #34. The well was spudded at 20:00hrs, 2nd February, 2006, into the subcropping

Gubberamunda Sandstone. An 8 ½” hole was drilled using light water based mud to a total depth of 668.00m. The anticipated geological section was penetrated, reaching TD at 01:30hrs on the 5 th

February, 2006, in the Durabilla Formation of the Walloon Subgroup, approximately 50m below the base of the target zone.

Density/Caliper/Gamma/Resistivity (Induction)/Spectral Gamma geophysical logs were recorded from TD to surface in a single run by Precision Weatherford Energy Services.

Nineteen coal bearing intervals throughout the Juandah and Taroom Coal Measures, Walloon Subgroup, were underreamed.

The hole was cased from 664.80m to surface with 7” production casing. Pre perforated casing sections were set over prospective intervals in the Juandah

(339.51m to 514.21m) and Taroom Coal Measures (553.06m to 665.16m). A total of 286.80m of pre perforated casing was set in the casing string covering

25.33m of net pay. The well was cemented in two stages (lead and tail) from an external casing packer set

above the Macalister Coal Seams (339.16m) to surface by Halliburton Australia Pty Ltd.

The cement plug was drilled out with a 6⅛” drilling assembly. Ensign Rig #34 was released at 24:00hrs on the 8th February, 2006. Well status was awaiting completion at rig release.

1

0

50

100

Spud well @ 20:00hrs, 2nd February, 2006

QGC Berwyndale South #24Time - Depth Curve

(24 Hour Rig Day)

All Depths to RT (m)1. Spud well.2. Rig up BOP, flare line, test etc.3. Make up new BHA, RIH.4. Drill 8 1/2" hole to TD (668.00m).

150

200

250

300

350

400

450

500

1. 2. 3. 5. Wiper trip, POOH. 6 . Log.7. Underream Juandah and Taroom Coal Measures.8. RIH, clean & circulate, POOH. Layout drill string.9. Run 7" casing (set @ 664.80m).10. Cement casing, WOC.11. Drill out cement plug12. Rig release.

550

600

650 TD (668.00m) reached @ 01:30hrs, 5th February, 2006

4. 5. 6. 7. 8. 9. 10 11. 12.

0 1 2 3 4 5 6 7 8

DaysRig release @ 24:00hrs, 8th February, 2006

Figure 3

Dep

th (m

R

T)

2

2.0 WELL HISTORY

2.1 General Data

2.1.1 Well Name & Number QGC BERWYNDALE SOUTH #24

2.1.2 Petroleum Tenement PL 201

2.1.3 Grid Location Latitude 26 52’ 53.8266” S (GDA 94) Longitude 150 18’ 56.6564” E

Easting 233344.052 (Zone 56)Northing 7023850.874 (Zone 56)

2.1.4 Elevations G.L.: 299.37m (AHD) R.T.: 303.69m

2.1.5 Name of Operator Queensland Gas Company LimitedA.C.N. 089 642 553Level 11, 307 Queen StreetBrisbane QLD 4000

2.1.6 Other participants Sentient Gas Australia Pty. Ltd.Level 9, 20 Loftus StreetSydney NSW 2000

2.1.7 Date Drilling Commenced 20:00 hours 2nd February, 2006

2.1.8 Date Total Depth Reached 16:00 hours 5th February, 2006

2.1.9 Date Drilling Rig Released 21:00 hours 8th February, 2006

2.1.10 Total Depth Driller: 668.00m RT Logger: 669.12m RT

2.1.11 Status at Rig Release Awaiting completion

3

2.2 Rig Data

2.2.1 Drilling Contractor Ensign Pty. Ltd.461 Greenwattle Street,Toowoomba, QLD, 4350.

2.2.2 Drilling Rig Details Rig #34

2.3 Drilling Data

2.3.1 Drill Bits and Type

Bit Number 1(rr)* 2(rr) 3(rr) 4(rr)Size 12 ¼” 8 ½” 18” 6⅛”Make CBC GeoDiamond Klondike -Type Tricone HC801 (PDC) DTU (Underreamer) XR+ (Tricone)Serial No. ER304920 7201380 - ER5764In (m RT) 9.00 64.00 - 330.00Out (m RT) 64.00 668.00 - Drill cmt plugMeters 55.00 604.00 - -Hours 8.00 36.50 27.00 -ROP (m/hr) 6.88 16.55 - -

*Prior to spud

2.3.2 Drilling Fluids

Hole Section Fluid Type Weight (ppg) Viscosity (cP) Additives12¼” Air - - -

8¾” or 8½” Light WaterBased* ≤9.00 30 - 40 -

*Drill water coalesced with bentonite prone formation clay

2.3.3 Hole Sizes & Depths

From (m RT) To (m RT) Diameter0.00 9.00 17”9.00 64.00 12¼”64.00 668.00 8½ ”

1

2.3.4 Casing & Cementing

Casing Summary

Casing Interval

OD Head Size

Set At (mRT) Wt (lb/ft); Grade Coupling Series Thread

Conductor 14” - 8.00 - Weld - -Surface 9⅝” 11” x 3k 64.00 36;K55 LT&C CIW BTCProduction 7” 71/16” 664.80 23;K55 LT&C WG792 BTC

Cementing Summary

Cementing Interval

Quantity (Sacks) Class Phenoseal

(lbs)Gel (%)

CaCl2

(%)Wt (ppg)

Slurry Vol. (bbls) Cemented By

Conductor - - - - - - - QGCSurface 180 A - - - 15.6 - Des Caling Pty LtdProductionTail* 30 A - - - 15.6 6.3 Halliburton Aust.

Pty LtdProductionLead* 200 A 100 6 0.5 13.5 62.0 Halliburton Aust.

Pty Ltd* Production casing cemented from External Casing Packer, set above the Macalister Coal Seams, to surface.

2.3.5 Perforation Intervals

From (m RT) To (m RT) Net Pay (m)339.51 514.21 18.53553.06 665.16 6.80

2

2.4 Logging and Testing

2.4.1 Wellsite Geologist

Brent Glassborow (QGC); Mark Ma (Triassic Geological Services)

2.4.2 Mudlogging

A record of the cuttings descriptions are presented in Appendix II. Ditch gas was monitored and recorded constantly from a passive gas trap in the possum belly, while drilling from the 9⅝” casing shoe to total depth. Recorded data was down loaded to a PC for display and analysis of results. Due to constant gas detector malfunctions throughout the target zone results are regarded as inadequate for quantitative analysis.

2.4.3 Ditch Cuttings

Ditch cuttings were sampled and described at approximately 4.5m intervals from surface to total depth. The sample interval was chosen to match half the length of a single drill pipe. Washed and dried samples were retained (where appropriate) and delivered to the Department of Natural Resources and Mines.

2.4.4 Wireline Logs

Geophysical logging was performed in a single run. Density/Caliper/Gamma/Resistivity (Induction)/Spectral Gamma logs were recorded from TD to surface. The surface hole section from the 9 ⅝” casing shoe was not logged open hole.

Wireline logging runs are summarised in the table below. Refer to Enclosure 1 for wireline log data (LAS format) and Enclosure 2 for wireline log prints.

Run Log (assembly sequence) From (m RT)

To (m RT)

1 HFS, DCS, DSS, PDS, CNS, SGSrun in combination 668.70 (First Reading) Surface

2.4.5 Temperature Surveys

The maximum recorded temperature was 45oC at 4.0 hours after last circulation.

3

3.0 GEOLOGY

3.1 Surat Basin Setting

The Surat Basin is a large intracratonic basin of Mesozoic age covering approximately 300,000km2 of southeastern Queensland and northern New South Wales. The basin forms part of the larger Great Australian Basin (Green et al, 1997), and interfingers westward across the Nebine Ridge with the Eromanga Basin, and eastward across the Kumbarilla Ridge with the Clarence-Moreton Basin (Exon, 1976). Basement blocks consisting of the Central West Fold Belt and the New England Fold Belt limit the basin to the south, while in the north the basin has been eroded and unconformably overlies Triassic and Permian sediments of the Bowen Basin. The Surat Basin contains up to 2,500m of sedimentary rocks deposited during the Latest Triassic to Early Cretaceous periods (Figure 4). The Latest Triassic to Earliest Cretaceous succession in the basin consists of five fining-upwards sedimentary cycles dominated by fluvio-lacustrine deposits (Exon, 1976; Exon and Burger, 1981; Day et al, 1983). The lower part of each cycle typically comprises coarse-grained mature sandstone, grading up into more labile sandstone and siltstone, with mostly siltstone, mudstone and coal in the upper part. In the Cretaceous, inundation of the land through an increase in sea level led to deposition of predominantly coastal plain and shallow marine sediments in two cycles.

Structurally the Surat Basin is relatively simple, with the area of maximum deposition, the Mimosa Syncline, overlying the thickest Permian-Triassic rocks in the Taroom Trough of the underlying Bowen Basin (Day et al., 1983). Major faulting within the basin predominantly mirrors basinal boundary faults of the underlying Bowen Basin. There is substantial folding across the basin, which is due to compaction and draping, as well as some rejuvenation of older pre-Jurassic structures and faults. Formations outcrop along the northern erosional boundary and dip gently to the south and southwest at less than 5.

Walloon Subgroup

The Middle Jurassic Walloon Subgroup forms part of the Injune Creek Group and is developed throughout the Surat Basin, ranging in thickness from less than 50m to greater than 700m. It comprises very-fine to medium grained, labile, argillaceous sandstone, siltstone, mudstone and coal with minor calcareous sandstone, impure limestone and ironstone (Swarbrick, 1973). In the northeast Surat Basin, the formation was raised by Jones and Patrick (1981) to Subgroup status and, in stratigraphic order, was divided into the Taroom Coal Measures, Tangalooma Sandstone and Juandah Coal Measures. Green et al. (1997) argued that this division could not be sustained across the entire basin, and, on these grounds, rejected this subdivision. Drilling by QGC appears to confirm Jones and Patrick’s subdivision, at least in the north-eastern Surat Basin, and their sub-divisions are retained for the Walloon Subgroup (Figure 5).

The Juandah Coal Measures generally comprises six named coal groups or seams. In descending stratigraphic order these are the Kogan, Macalister, Nangram, Wambo, Iona and Argyle Seams (Figure 5). The Macalister Seam can occur as two distinctive intervals and have been informally referred to as the Macalister Upper and Macalister Lower Seams by QGC. The Taroom Coal Measures generally comprises three coal groups or seams, informally referred to by QGC as the Auburn, Bulwer and Condamine Seams. The section of the Walloon Subgroup beneath the Taroom Coal Measures is defined by QGC (Scott et al. (2004)) as the Durabilla Formation, from exploration work by QGC.

PERIOD EPOCH LITHOSTRATIGRAPHIC UNITS -SURAT BASIN

Walloon Subgroup

(Modified after McKellar, 1999)


STRATIGRAPHY - SURAT BASINFigure 4

QGC

Swarbrick (1973)

Jones & Patrick (1981) Seam Name New

Nomenclature

SPRINGBOK SANDSTONE

SPRINGBOK SANDSTONE

Kogan

SPRINGBOK SANDSTONE

0m

Macalister Upper

Macalister Lower

Nangram

Wambo

Iona

Argyle 150m

Auburn

Bulwer

Condamine

EUROMBAH FORMATION

EUROMBAH FORMATION

300mEUROMBAH FORMATION


QGCFigure 5

WAL

LOON

COA

L M

EASU

RES

Lith

o-

Str

atig

raph

ic

Inte

rval

s3

& 4

LITH

O-

STR

ATI

GR

AP

HIC

IN

TER

VA

L5

LITH

OST

RA

TIG

RA

PHIC

IN

TER

VALS

7 &

8

LITH

O-

STR

ATI

GR

AP

HIC

IN

TER

VA

L6 WAL

LOON

SUB

GROU

P

TAR

OO

M

CO

AL

ME

AS

UR

ES

JUA

ND

AH

C

OA

L M

EASU

RES

TAN

GA

LOO

MA

S

AN

DS

TON

E

WAL

LOON

SUB

GROU

P

TAR

OO

M

CO

AL

ME

AS

UR

ES

JUA

ND

AH

C

OA

L M

EASU

RES

DU

RA

BIL

LA

FOR

MA

TIO

NTA

NG

ALO

OM

A

SA

ND

STO

NE

4

3.2 Reasons for Drilling

Berwyndale South #24 is a coal seam gas development well operated by Queensland Gas Company Limited (QGC), in Petroleum Lease PL 201. The aim of the well was to target, evaluate and produce the potential coal seam gas of the Juandah and Taroom Coal Measures within the Walloon Subgroup in the Berwyndale South area.

Regional geological and geophysical appraisal of the Berwyndale South Prospect is based on recent QGC coal seam gas exploration drilling, analysis of widely spaced existing petroleum wells, and the re-interpretation of available petroleum exploration 2D seismic reflection lines in the region.

Berwyndale South #24 was drilled to TD in the Durabilla Formation, approximately 50m below the base of target zone (to allow for fines accumulation during production testing), and cased with 7” production casing. Pre perforated casing sections were set over the prospective coal seam intervals of the Juandah and Taroom Coal Measures to evaluate production potential over the entire coal prone sequence of the Walloon Subgroup. All significant coal seams were underreamed as per geophysical log interpretation. The casing was cemented from above the top of the Macalister Seam to surface.

3.3 Stratigraphy

Formations penetrated by the well are summarised in the table below. Refer to the cuttings descriptions attached in Appendix II for lithological description of the units.

Age UnitTop

Depth (m

RT)

Elevation (m AHD)

Thickness (m)

Net Coal (m)

Late Jurassic Gubberamunda Sandstone 4.32 299.37 129.77 -

Late Jurassic Westbourne Formation 134.09 169.60 72.26 -

Late Jurassic Norwood Mudstone 183.51 120.18 22.84 -

Late Jurassic Springbok Sandstone 206.35 97.34 127.38 -

Middle Jurassic Walloon Subgroup Juandah Coal Measures 333.73 -30.04 184.10 19.95

Middle Jurassic Walloon Subgroup Tangalooma Sandstone 517.83 -214.14 50.70 1.34

Middle Jurassic Walloon Subgroup Taroom Coal Measures 568.53 -264.84 63.27 6.80

Middle Jurassic Walloon Subgroup Durabilla Formation 631.80 -328.11 - -

TD 668.00 -364.31 28.09

5

3.4 Coal Seams

Coal seam intervals in the Walloon Subgroup were identified from geological logging of cuttings, and wireline log interpretation. The table below shows coal seam intervals and net coal thickness intersected in the Walloon Subgroup. Detailed coal picks from wireline logs for all seams are given in Figure 2.

Formation or Interval Seam NameGross Interval Net Coal

(m)From(m RT)

To(m RT)

Thickness(m)


Kogan Seam 334.66 336.93 2.27 1.42Macalister Upper Seam 343.06 345.49 2.43 2.43Macalister Lower Seam 367.78 372.54 4.76 3.64

Nangram Seam 377.20 401.42 24.22 4.16Wambo Seam 408.60 429.56 20.96 3.03

Iona Seam 449.11 471.86 22.75 2.40Argyle Seam 480.66 512.35 31.69 2.87

Taroom Coal MeasuresAuburn 568.53 570.48 1.95 1.50Bulwer 584.87 596.70 11.83 3.96

Condamine 607.14 627.09 19.95 1.34

6

4.0 REFERENCES

DAY, R.W., WHITAKER, W.G., MURRAY, C.G., WILSON, I.H., AND GRIMES, K.G., 1983: QueenslandGeology. Geological Survey of Queensland Publication, 383.

EXON, N.F., 1976: Geology of the Surat Basin, Queensland. Bureau of Mineral Resources, Geology and Geophysics, Bulletin, 166.

EXON, N.F. AND BURGER, D., 1981, Sedimentary cycles in the Surat Basin and global changes of sea level. BMR Journal of Australian Geology and Geophysics, 6, 153-159.

GREEN, P.M., HOFFMANN, K.L., BRAIN, T.J., AND GRAY, A.R.G., 1997: Project aims and activities,exploration history and geological investigations in the Bowen and overlying Surat Basins, Queensland. In, Green, P.M. (Editor.), 1977: The Surat and Bowen Basins, south-east Queensland. Queensland Minerals and Energy Review Series, Queensland Department of Mines and Energy, 1-11.

JONES, G.D. AND PATRICK, R.B., 1981: Stratigraphy and coal exploration geology of the northeast Surat Basin. Coal Geology, Journal of the Coal Geology Group, Geological Society of Australia, 1 (4), p. 153-163.

MCKELLAR, J.L., 1999: Late Early to Late Jurassic palynology, biostratigraphy and palaeogeography of the Roma Shelf area, northwestern Surat Basin, Queensland, Australia. Department of Geology and Mineralogy, University of Queensland, PhD thesis, (1-3).

SCOTT, S., ANDERSON, B., CROSDALE P., DINGWALL J. AND LEBLANG G., 2004: Revised geology andcoal seam gas characteristics of the Walloon Subgroup – Surat Basin, Queensland. In: Boult, P.J., Johns, D.R. and Lang, S.C. (Eds), Eastern Australasian Basins Symposium II, Petroleum Exploration Society of Australia, Special Publication, 345-355.

SWARBRICK, C.F.J., 1973: Stratigraphy and economic potential of the Injune Creek Group in the Surat Basin. Geological Survey of Queensland, Report 79.

APPENDIX I

DAILY DRILLING/GEOLOGICAL REPORTS

DAILY DRILLING REPORT

Berwyndale South # 24

Wednesday

1/Feb/2006REPORT # 1

TENURE: P.L. 201 24:00 DEPTH: 64 m. 24 HR PROG: 0 m.

RIG: Ensign Rig #34 FORMATION: Surface. PREDICTED TD: 685 m.

SPUD: TD REACHED:

RIG RELEASE: TD:

OPs TO 06:00

REMARKS:

CONDUCTOR: SET AT: 8 m. SURFACE CASING: SET AT: Pre - set

PRODUCTION CSG: SET AT: BOP TEST:

NEXT TEST DUE:DAILY COSTS:

AFDs: 72 SAFETY: Rigging down.WEATHER AM:

PM:

BIT INFORMATION DRILL STRING MUD PROPERTIES OPERATIONS HRS CUMWOB (kLb) JET V (fps) TOOL LENGTH Time/Date 1. Rig Up/ Down 3.00 3.00

RPM Torque Depth (m) 2. CasingBIT NUMBER Temp (oC) 3. CementingSize (in) Mud Type 4. Circ. & ConditionMake Density (ppg) 5. CoringType Viscosity (sec) 6. Drilling/CementIADC Code Time/Date 7. DrillingSerial Number Depth (m) 8. Handle BHANozzles Temp (oC) 9. Pickup/LayoutDepth In (m) Mud Type 10. LOT/FITDepth Out (m) Density (ppg) 11. Nipple up BOPsMetres Viscosity (sec) 12. P&A

Hours Time/Date 13. RepairsROP BHA Length: Depth (m) 14. Rig ServiceCondition Out Temp (oC) 15. Safety

FLOW DATA Mud Type 16. SurveyCirc. Rate (gpm) Depth @ 24:00 hrs (m) Density (ppg) 17. Test BOPAV - DP (fpm) Hook load (lbs) x 1000 Viscosity (sec) 18. Tight hole/FishingAV - DC (fpm) SURVEYS Time/Date 19. Slip & cut lineSPP (psi) Depth (m) 20. Wait on cementSlow pump rate. Temp (oC) 21. Wash/Ream

PUMP # 1 PUMP # 2 Mud Type 22. Well ControlRate Rate N/A Density (ppg) 23. Well TestLiner 6" Liner N/A MUD DATA Viscosity (sec) 24. TripStroke 7" Stroke N/A Daily Mud Cost Nil 25. Wireline Logging

Days from spud:CUM. Mud Cost Nil 26. Other/AccidentAFE Costs-C&S Nil TOTALS 3.00 3.00

HOURLY OPERATIONS SUMMARY 00:00 TO 24:00DATE FROM TO

21:00 0:00 Rig down.

SUPERVISOR: GEOLOGIST: ENSIGNPeter Low. Haagan Walsh.

Report Version 17/2/2003 Page 1 of 1

Rig down.

16"64m

FineFine



Thursday


TENURE: P.L. 201 24:00 DEPTH: 64 m. 24 HR PROG: 0 m.


SPUD: 02-Feb-06 TD REACHED:

RIG RELEASE: TD:

OPs TO 06:00

REMARKS:




AFDs: 73 SAFETY: Rigging up, Heat stressWEATHER AM:

PM:

BIT INFORMATION DRILL STRING MUD PROPERTIES OPERATIONS HRS CUMWOB (kLb) JET V (fps) TOOL LENGTH Time/Date 1. Rig Up/ Down 20.00 23.00

RPM Torque Depth (m) 2. CasingBIT NUMBER Temp (oC) 3. CementingSize (in) Mud Type 4. Circ. & ConditionMake Density (ppg) 5. CoringType Viscosity (sec) 6. Drilling/CementIADC Code Time/Date 7. DrillingSerial Number Depth (m) 8. Handle BHANozzles Temp (oC) 9. Pickup/LayoutDepth In (m) Mud Type 10. LOT/FITDepth Out (m) Density (ppg) 11. Nipple up BOPs 4.00 4.00Metres Viscosity (sec) 12. P&A

Hours Time/Date 13. RepairsROP BHA Length: Depth (m) 14. Rig ServiceCondition Out Temp (oC) 15. Safety

FLOW DATA Mud Type 16. SurveyCirc. Rate (gpm) Depth @ 24:00 hrs (m) Density (ppg) 17. Test BOPAV - DP (fpm) Hook load (lbs) x 1000 Viscosity (sec) 18. Tight hole/FishingAV - DC (fpm) SURVEYS Time/Date 19. Slip & cut lineSPP (psi) Depth (m) 20. Wait on cementSlow pump rate. Temp (oC) 21. Wash/Ream


Days from spud: 1.2CUM. Mud Cost Nil 26. Other/AccidentAFE Costs-C&S Nil TOTALS 24.00 27.00


2/02/2006 0:00 20:00 Move to new location, rig up20:00 20:30 Install braden head20:30 0:00 Nipple up BOP's

3/02/2006 0:00 2:30 Nipple up BOP's2:30 4:30 Pressure test BOP's4:30 6:00 Make up BHA

SUPERVISOR: GEOLOGIST: ENSIGNRobert Wyche Haagan Walsh.

20:00

Rig down.

16"64m

FineFine



Friday


TENURE: P.L. 201 24:00 DEPTH: 315.0 24 HR PROG: 251.0



RIG RELEASE: TD:

OPs TO 06:00

REMARKS:




AFDs: 74 SAFETY: Heat stress, tongsWEATHER AM:

PM:

BIT INFORMATION DRILL STRING MUD PROPERTIES OPERATIONS HRS CUMWOB (kLb) JET V (fps) TOOL LENGTH Time/Date 08:00 1. Rig Up/ Down 23.00

RPM Torque 8 1/2" Bit 0.32 Depth (m) 50 2. CasingBIT NUMBER 1 RR5 Near bit 1.65 Temp (oC) 3. CementingSize (in) 8 1/2" 1 x 6 1/4" collar 9.47 Mud Type Water 4. Circ. & ConditionMake geo dia Stab. 1.41 Density (ppg) 8.4 5. CoringType HC801 9 x 6 1/4" Collars 83.85 Viscosity (sec) 27 6. Drilling/Cement 2.50 2.50IADC Code 4 x 4 1/2"Hvy. wt. 37.64 Time/Date 14:00 7. Drilling 12.00 12.00Serial Number 7201380 X/O 0.70 Depth (m) 120 8. Handle BHA 3.00 3.00Nozzles 5 x 16 6 x 4" Hvy wt 54.43 Temp (oC) 9. Pickup/LayoutDepth In (m) 64 Mud Type Water 10. LOT/FITDepth Out (m) 315 Density (ppg) 8.6 11. Nipple up BOPs 1.00 5.00Metres 251 Viscosity (sec) 28 12. P&A

Hours 12 Time/Date 24:00 13. RepairsROP 20.9 BHA Length: 189.46 Depth (m) 300 14. Rig ServiceCondition Out Drill pipe 114.53 Temp (oC) 15. Safety

FLOW DATA Kelly down 11.01 Mud Type Water 16. Survey 2.00 2.00Circ. Rate (gpm) 350 Depth @ 24:00 hrs (m) 315.00 Density (ppg) 8.8 17. Test BOP 3.50 3.50AV - DP (fpm) Hook load (lbs) x 1000 40 Viscosity (sec) 28 18. Tight hole/FishingAV - DC (fpm) SURVEYS Time/Date 19. Slip & cut lineSPP (psi) 500 50 1/2 Depth (m) 20. Wait on cementSlow pump rate. 120psi @ 63stks 153 1 1/2 Temp (oC) 21. Wash/Ream

PUMP # 1 PUMP # 2 208 1/4 Mud Type 22. Well ControlRate Rate N/A 303 1 Density (ppg) 23. Well TestLiner 6" Liner N/A MUD DATA Viscosity (sec) 24. TripStroke 7" Stroke N/A Daily Mud Cost Nil 25. Wireline Logging

Days from spud: 2.2CUM. Mud Cost Nil 26. Other/AccidentAFE Costs-C&S Nil TOTALS 24.00 51.00


3/02/2006 0:00 2:30 Nipple up BOP's2:30 4:30 Pressure test BOP's4:30 7:30 Make up BHA7:30 9:30 Tag cmt @ 43m, break circulation and drill cement to 62m9:30 10:00 Circulate and survey @ 50m- 1/210:00 10:30 Drill cmt to 64m10:30 15:00 Drill 64m to 165m15:00 15:30 Circulate and survey @ 153m- 1 1/215:30 20:30 Drill 165m to 220m20:30 21:00 Circulate and survey @ 208m- 1/421:00 23:30 Drill 220m to 315m23:30 0:00 Circulate and survey @ 303m- 1

4/02/2006 0:00 5:00 Drill 315m to 439m5:00 5:30 Circulate and survey 426m- 1/25:30 6:00 Drill 439m to 449m


20:00

See below

16"64m

3-Feb-2006

FineFine

DAILY GEOLOGICAL REPORT Friday

Berwyndale South #24 3/Feb/2006

REPORT # 1

TENURE: PL 201

RIG: Ensign Rig #34

SPUD:

RIG RELEASE:

CONDUCTOR:

PRODUCTION CSG:

SET AT:

SET AT:

24:00 DEPTH:

FORMATION:

2-Feb-2006

-

8 m.

315 m


TD REACHED:

TD:

SURFACE CASING:

24 HR PROG:

PREDICTED TD:

9 5/8" SET AT:

251 m

685

64 m

STRATIGRAPHYDEPTH (M RT)

UNITFROM TO THICKNESSsurface 130.0 130.0 Gubberamunda Formation130.0 200.0 70.0 Westbourne Formation185.0 200.0 15.0 Norwood Mudstone200.0 311.5 111.5 Springbok Sandstone311.5 Walloon Subgroup311.5 Juandah Coal Measures

CUTTINGS DESCRIPTIONDEPTH (m RT)

DESCRIPTIONFROM TO THICKNESS0.0 300.0 300.0 Not Logged

300.0 301.0 1.0 MUDSTONE: medium to dark grey, carbonaceous, grading to Siltsone, trace sand grains.301.0 301.2 0.2 COAL: interbedded Mudstone.

301.2 311.5 10.3SANDSTONE: (50%) very light grey, fine grained, occasionally medium, sub angular, lithic fragments, argillaceous matrix.SILTSTONE: (25%) grey.MUDSTONE: medium to dark grey, carbonaceous, grading to Siltsone.

311.5 312.0 0.5 COAL: black, interbedded Mudstone/Siltstone (Top of Kogan?)312.0 315.0 3.0 SANDSTONE: (40%) light whitish grey, very light greenish grey, feldspathic, argillaceous matrix.

SILTSTONE: (30%) grey.MUDSTONE: (30%). Medium to dark grey, carbonaceous.

ADDITIONAL COMMENTS

OTHER REPORTS (Gas shows, Testing etc)Gas show @ 301m (12% LEL)

SUPERVISOR: Robert Wyche GEOLOGIST: Brent Glassborow ENSIGN Hagan WalshMark Ma (Contractor)


20:00-

16"



Saturday


TENURE: P.L. 201 24:00 DEPTH: 649.0 24 HR PROG: 334.0



RIG RELEASE: TD: 668.00

OPs TO 06:00

REMARKS:




AFDs: 75 SAFETY: Heat stress, mouse hole connectionsWEATHER AM:

PM:


RPM Torque 8 1/2" Bit 0.32 Depth (m) 50 2. CasingBIT NUMBER 1 RR5 Near bit 1.65 Temp (oC) 3. CementingSize (in) 8 1/2" 1 x 6 1/4" collar 9.47 Mud Type Water 4. Circ. & ConditionMake geo dia Stab. 1.41 Density (ppg) 8.9 5. CoringType HC801 9 x 6 1/4" Collars 83.85 Viscosity (sec) 30 6. Drilling/Cement 2.50IADC Code 4 x 4 1/2"Hvy. wt. 37.64 Time/Date 14:00 7. Drilling 23.00 35.00Serial Number 7201380 X/O 0.70 Depth (m) 120 8. Handle BHA 3.00Nozzles 5 x 16 6 x 4" Hvy wt 54.43 Temp (oC) 9. Pickup/LayoutDepth In (m) 64 Mud Type Water 10. LOT/FITDepth Out (m) 649 Density (ppg) 9 11. Nipple up BOPs 5.00Metres 585 Viscosity (sec) 32 12. P&A

Hours 35 Time/Date 24:00 13. RepairsROP 16.7 BHA Length: 189.46 Depth (m) 300 14. Rig Service 0.50 0.50Condition Out Drill pipe 448.06 Temp (oC) 15. Safety

FLOW DATA Kelly down 11.48 Mud Type Water 16. Survey 0.50 2.50Circ. Rate (gpm) 350 Depth @ 24:00 hrs (m) 649.00 Density (ppg) 9 17. Test BOP 3.50AV - DP (fpm) Hook load (lbs) x 1000 54 Viscosity (sec) 32 18. Tight hole/FishingAV - DC (fpm) SURVEYS Time/Date 19. Slip & cut lineSPP (psi) 500 426m 1/2 Depth (m) 20. Wait on cementSlow pump rate. 120psi @ 63stks Temp (oC) 21. Wash/Ream


Days from spud:3.2CUM. Mud Cost Nil 26. Other/AccidentAFE Costs-C&S Nil TOTALS 24.00 75.00


4/02/2006 0:00 5:00 Drill 315m to 439m5:00 5:30 Circulate and survey 426m- 1/25:30 10:00 Drill 439m to 506m10:00 10:30 Rig service10:30 0:00 Drill 506m to 649m

5/02/2006 0:00 1:30 Drill 649m to 668m1:30 2:00 Circulate hole clean2:00 4:00 POOH to shoe4:00 4:30 Layout 6 DC4:30 5:00 Wait at shoe5:00 6:00 RIH

SUPERVISOR: GEOLOGIST: ENSIGNRobert Wyche Brent Haagan Walsh.

20:00

See below

16"64m

3-Feb-2006

FineFine

Report Version Page 1

TENURE:RIG:SPUD:RIG RELEASE:CONDUCTOR: PRODUCTION CSG:

24:00 DEPTH:FORMATION:

24 HR PROG:PREDICTED TD:

SET AT:SET AT:

TD REACHED: TD:SURFACE CASING:

SET AT: 64 m9 5/8"8 m.16"

--

2-Feb-200620:00

685 mDurabilla FormationENSIGN Rig #34

334 m649 mPL 201

DAILY GEOLOGICAL REPORT Saturday


REPORT # 2


UNITFROM TO THICKNESSsurface 130.0 130.0 Gubberamunda Sandstone130.0 185.0 55.0 Westbourne Formation185.0 200.0 15.0 Norwood Mudstone200.0 311.5 111.5 Springbok Sandstone311.5 Walloon Subgroup311.5 521.0 209.5 Juandah Coal Measures521.0 569.0 48.0 Tangalooma Sandstone569.0 623.5 54.5 Taroom Coal Measures623.5 Durabilla Formation


DESCRIPTIONFROM TO THICKNESS

315.0 330.0 15.0 SANDSTONE: (60%) light grey, medium to fine grained, trace Coal. SILTSTONE: (20%) medium grey. MUDSTONE: (20%) dark grey, dark grey,carbonaceous.

330.0 335.0 5.0 COAL: black, with firm clay pellets.

335.0 337.0 2.0 SANDSTONE: (40%) light grey. SILTSTONE: (30%) medium grey. MUDSTONE: (30%) dark grey.

337.0 337.5 0.5 COAL: black.

337.5 339.7 2.2 SILTSTONE: (40%) medium grey. MUDSTONE: (30%) dark grey, dark grey, carbonaceous. SANDSTONE: (20%) light grey. COAL: (10%) black.

339.7 344.4 4.7 COAL: black.

344.4 346.0 1.6 SANDSTONE: (30%) light grey, occasionally medium, argillaceous matrix, grading to Siltstone. SILTSTONE: (30%) medium grey. MUDSTONE: (30%) medium grey. COAL: (10%) black.

346.0 349.0 3.0 COAL: black.

349.0 368.1 19.1 SANDSTONE: (50%) light grey, occasionally medium, sub angular, argillaceous matrix, lithic fragments, grading to Siltstone, trace coal.SILTSTONE: (30%) medium grey. MUDSTONE: (20%) dark grey.

368.1 372.8 4.7 COAL: black, with claystone pellets.

372.8 375.6 2.8 SILTSTONE: (50%) medium grey. MUDSTONE: (30%) medium grey. SANDSTONE: (20%) light grey.

375.6 380.0 4.4 COAL: black, with increasing clay pellets.

380.0 385.4 5.4 SANDSTONE: (30%) light grey, medium to fine grained. SILTSTONE: (30%) light grey. MUDSTONE: (20%) medium grey. COAL: (20%) black.

385.4 387.0 1.6 COAL: black, interbedded with mudstone.

387.0 390.0 3.0 SANDSTONE: (40%) light grey, medium to fine grained. SILTSTONE: (30%) medium grey. MUDSTONE: (30%) medium grey, carbonaceous, traceCoal.

390.0 391.9 1.9 COAL: black.

391.9 398.0 6.1 SANDSTONE: (50%) light grey, medium to fine grained, occasionally medium, sub angular, argillaceous matrix, lithic fragments, grading toSiltstone. MUDSTONE: (30%) medium grey. SILTSTONE: (20%) medium grey.

398.0 399.0 1.0 COAL: black.

399.0 406.0 7.0 SANDSTONE: (30%) light grey, medium to fine grained. SILTSTONE: (30%) medium grey. MUDSTONE: (30%) light grey, dark grey,carbonaceous. COAL: (10%) black.

406.0 408.0 2.0 COAL: black.

408.0 411.0 3.0 SANDSTONE: (50%) light grey, medium to fine grained, occasionally medium, sub angular, argillaceous matrix, lithic fragments, grading toSiltstone. SILTSTONE: (20%) medium grey. MUDSTONE: (20%) medium grey, dark grey, carbonaceous. COAL: (10%) black.

411.0 413.0 2.0 COAL: black.

413.0 415.8 2.8 SANDSTONE: (40%) light grey, medium to fine grained. SILTSTONE: (30%) medium grey. MUDSTONE: (30%) medium grey.

415.8 417.6 1.8 COAL: black.

417.6 425.3 7.7 SANDSTONE: (50%) light grey, medium to fine grained, occasionally medium, sub angular, argillaceous matrix, lithic fragments, grading toSiltstone. SILTSTONE: (30%) medium grey. MUDSTONE: (20%) medium grey.

425.3 428.5 3.2 COAL: black.

428.5 430.1 1.6 SANDSTONE (50%): light grey, medium to fine grained. MUDSTONE (50%): medium grey.

430.1 432.0 1.9 COAL: black.

432.0 444.5 12.5 SANDSTONE: dark grey, medium to fine grained, quartzose/ feldspathic, grading to Siltstone.

444.5 447.0 2.5 SANDSTONE: (80%) light grey, fine to very fine grained. COAL: (20%) black.

447.0 447.5 0.5 COAL: black.

447.5 449.3 1.8 SANDSTONE: (40%) light grey, medium to fine grained, occasionally medium, sub angular, argillaceous matrix, lithic fragments, grading toSiltstone. SILTSTONE: (20%) medium grey. MUDSTONE: (20%) speckled grey. COAL: (20%) black.

449.3 452.0 2.7 COAL: black.

452.0 453.5 1.5 SANDSTONE: light grey, occasionally medium, sub angular, argillaceous matrix, lithic fragments.

453.5 456.0 2.5 COAL: black.

456.0 457.7 1.7 COAL: (60%) black. SANDSTONE: (40%) light grey, medium to fine grained.


DAILY GEOLOGICAL REPORT

Berwyndale South #24

Saturday

4/Mar/2006REPORT # 2

CUTTINGS DESCRIPTION (Continued)DEPTH (m RT)

DESCRIPTIONFROM TO THICKNESS457.7 458.7 1.0 SANDSTONE: light grey, fine grained.

458.7 461.5 2.8 COAL: black.

461.5 468.2 6.7 SANDSTONE: (40%) light grey, medium to fine grained, occasionally medium, sub angular, argillaceous matrix, lithic fragments, grading toSiltstone. SILTSTONE: (30%) medium grey. MUDSTONE: (30%) dark grey, carbonaceous.

468.2 473.0 4.8 COAL: black, with carbonaceous shale.

473.0 477.6 4.6 SANDSTONE: (40%) light grey, fine grained, well sorted, argillaceous matrix, lithic fragments, grading to Siltstone, trace coal. SILTSTONE: (30%)medium grey. MUDSTONE: (30%) medium grey.

477.6 479.0 1.4 COAL: black.

479.0 481.0 2.0 MUDSTONE: (30%) dark grey. SILTSTONE: (30%) medium grey. SANDSTONE: (20%) medium grey. COAL: (20%) black.

481.0 482.5 1.5 COAL: black.

482.5 483.0 0.5 SILTSTONE: (50%) medium grey. MUDSTONE: (50%) medium grey.

483.0 484.0 1.0 COAL: black.

484.0 487.0 3.0 SANDSTONE: (30%) light grey, fine grained. SILTSTONE: (30%) medium grey. MUDSTONE: (30%) dark grey. COAL: (10%) black.

487.0 490.0 3.0 COAL: black.

490.0 492.0 2.0 SANDSTONE: (40%) medium grey, occasionally medium, argillaceous matrix, lithic fragments, grading to Siltstone. SILTSTONE: (30%) mediumgrey. MUDSTONE: (30%) medium grey, carbonaceous.

492.0 498.0 6.0 COAL: black, interbedded with mudstones.

498.0 501.0 3.0 SANDSTONE: (30%) light grey, carbonaceous. SILTSTONE: (30%) medium grey. MUDSTONE: (30%) mottled grey. COAL: (10%) black.

501.0 508.0 7.0 SANDSTONE: light grey, fine grained, feldspathic/quartzose.

508.0 510.0 2.0 COAL: black.


511.0 517.0 6.0 SANDSTONE: (40%) light grey, fine grained, feldspathic. SILTSTONE: (30%) medium grey. MUDSTONE: (30%) medium grey.

517.0 519.0 2.0 MUDSTONE: (50%) medium grey, carbonaceous shale, trace Siltstone. COAL: (50%) black.

519.0 520.6 1.6 COAL: black.

520.6 521.6 1.0 COAL: (50%) black. SANDSTONE: (50%) light grey.

521.6 525.0 3.4 SANDSTONE: (50%) light grey, fine grained. SILTSTONE: (50%) medium grey.

525.0 537.0 12.0SANDSTONE: light whitish grey, very light greenish grey, occasionally frosted, very fine to medium grained, occasionally coarse, sub angular to sub rounded, hard to moderately hard, commonly poorly sorted, lithic fragments, strongly feldspathic, argillaceous matrix, trace disseminatedcarbonaceous material, grading to grey to brownish grey carbonaceous Siltstone, trace Coal.

537.0 537.2 0.2 COAL: black, interbedded Siltstone.

537.2 557.0 19.8 SANDSTONE: light whitish grey, very light yellowish grey, very fine to fine grained, grading to medium at base, argillaceous matrix, lithicfragments, grading to Siltstone in places, becoming feldspathic at base, rare trace Coal.

557.0 557.5 0.5 COAL: black, trace Mudstone.

557.5 565.0 7.5SANDSTONE: (70%) light whitish grey, very light yellowish grey, very fine to fine, occasionally grading to medium, angular to sub angular,feldspathic, lithic fragments, argillaceous matrix, trace carbonaceous material. SILTSTONE: (30%) grey, brownish grey, carbonaceous in places, grading to Mudstone, trace Coal.

565.0 569.0 4.0 SANDSTONE: grading to medium, as above.

569.0 571.0 2.0 COAL: black.

571.0 572.0 1.0 COAL: (50%) black. MUDSTONE: (50%) dark brownish grey, grading to Siltstone.

572.0 573.5 1.5 MUDSTONE: dark brownish grey, carbonaceous, grading to Siltstone, trace Coal.

573.5 582.5 9.0 SANDSTONE: light whitish grey, very light yellowish to greenish grey, fine to medium grained, grading to medium to coarse at base, sub rounded,hard, abundant lithic fragments, argillaceous matrix, cleaning towards base, trace carbonaceous material, trace Siltstone fragments.

582.5 584.5 2.0 COAL: black.

584.5 585.5 1.0 SANDSTONE: (50%) light whitish grey, fine to very fine grained, grading to Siltstone. SILTSTONE: (30%) grey. MUDSTONE: (20%) medium grey,trace tuff, carbonaceous.

585.5 587.5 2.0 SILTSTONE: (50%) medium grey, trace very fine Sandstone. MUDSTONE: (50%) dark brownish grey, carbonaceous.

587.5 593.0 5.5 SANDSTONE: light whitish grey, medium to fine grained, occasionally coarse, lithic fragments, trace feldspar, strong argillaceous matrix in places.

593.0 595.0 2.0 COAL: black.

595.0 596.0 1.0 COAL: (50%) black. MUDSTONE: (50%) medium grey.

596.0 597.0 1.0 SILTSTONE: (50%) grey, trace very fine Sandstone. MUDSTONE: (50%) medium grey.

597.0 604.0 7.0 SANDSTONE: light yellowish grey, fine to very fine grained, grading to medium to coarse towards base, sticky argillaceous matrix in places,becoming increasingly feldspathic, rare carbonaceous lenses.

604.0 604.5 0.5 COAL: black.

604.5 605.5 1.0 SILTSTONE: grey, grading to very fine Sandstone, trace Mudstone.

605.5 605.8 0.3 COAL: black.

605.8 608.0 2.2 SANDSTONE: (60%) light whitish grey, fine to very fine grained. SILTSTONE: (40%) grey, trace brownish grey Mudstone.

608.0 614.0 6.0 SANDSTONE: light whitish grey, very light greenish grey, fine to medium grained, strong carbonaceous material, trace grey to yellowish greySiltstone.

614.0 614.3 0.3 COAL: black.

614.3 614.8 0.5 SILTSTONE: (50%) light brownish grey, medium grey. MUDSTONE: (50%) grey.

614.8 615.0 0.2 COAL: black.

615.0 617.0 2.0 SILTSTONE: (70%) grey, light brownish grey, grading to Mudstone. SANDSTONE: (30%) light whitish grey, fine to very fine grained.

617.0 621.0 4.0 SANDSTONE: light whitish grey, very light yellowish grey, very fine to medium, very hard at base, carbonaceous specks, lithic fragments,commonly grading to Siltstone.

621.0 621.3 0.3 COAL: (50%) black. SILTSTONE: (50%) brownish grey.

621.3 623.0 1.7 SANDSTONE: (60%) light whitish grey, very fine grained. SILTSTONE: (40%) grey, trace Mudstone.

623.0 623.5 0.5 SANDSTONE: (70%) light whitish grey, very fine grained, grading to Siltstone, trace Mudstone. COAL: (30%) black.

623.5 630.0 6.5 SANDSTONE: light whitish grey, very light greenish grey, fine to medium, occasionally coarse, sub rounded, strongly feldspathic, argillaceousmatrix, trace medium grey yellow Siltstone.


DAILY GEOLOGICAL REPORT Saturday


REPORT # 2CUTTINGS DESCRIPTION (Continued)

DEPTH (m RT)DESCRIPTIONFROM TO THICKNESS

630.0 631.5 1.5 SANDSTONE: (70%) as above. SILTSTONE: (30%) grey to medium grey.

631.5 649.0 17.5 SANDSTONE: light whitish grey, very light greenish grey, fine to medium, occasionally coarse, sub rounded, strongly feldspathic, sticky argillaceousmatrix, trace medium grey yellow Siltstone.

ADDITIONAL COMMENTSSurvey (deviation) @: 165m (1.5º); 220m (0.25º ); 344m

OTHER REPORTS (Gas shows, Testing etc)Gas shows (recorded) @: 557m (20%LEL); 569m (19%LEL); 583m (18%LEL); 539m (39%LEL); 604m (12%LEL).

SUPERVISOR: Robert Wyche GEOLOGIST: Brent Glassborow ODE: Haagan WalshMark Ma (Contractor)



Sunday


TENURE: P.L. 201 24:00 DEPTH:

RIG: Ensign Rig #34 FORMATION:

SPUD:

RIG RELEASE:

OPs TO 06:00

REMARKS:

CONDUCTOR: SET AT: 8 m.

PRODUCTION CSG: SET AT:

AFDs: 75 SAFETY: Heat stress, Tool inspection

668.0

Surface.

SURFACE CASING:

BOP TEST:

NEXT TEST DUE:

24 HR PROG: 19.0

PREDICTED TD: 628 m.

SET AT: Pre - set

DAILY COSTS: WEATHER AM:

PM:


RPM Torque 8 1/2" Bit 0.32 Depth (m) 668 2. CasingBIT NUMBER 1 RR5 1 RR6 Reamer 1.89 Temp (oC) 3. CementingSize (in) 8 1/2" 8 1/2" NBS 1.65 Mud Type Water 4. Circ. & Condition 2.00 2.00Make geo dia geo dia 1x 6 1/4" DC 9.47 Density (ppg) 8.5 5. CoringType HC801 HC801 Stabiliser 1.41 Viscosity (sec) 2.4 6. Drilling/Cement 2.50IADC Code 3x 6 1/4" DC 28.01 Time/Date 7. Drilling 1.50 36.50Serial Number 7201380 7201380 4 x 41/2" HWDP 37.64 Depth (m) 8. Handle BHA 3.00Nozzles 5 x 16 5 x 16 X/O 0.70 Temp (oC) 9. Pickup/Layout 0.50 0.50Depth In (m) 64 668 6 X 4" HWDP 54.43 Mud Type 10. LOT/FITDepth Out (m) 668 668 Density (ppg) 11. Nipple up BOPs 5.00Metres 604 0 Viscosity (sec) 12. P&A

Hours 36 1/2 0 Time/Date 13. RepairsROP 16.5 0.0 BHA Length: 135.52 Depth (m) 14. Rig Service 0.50Condition Out Drill pipe 524.49 Temp (oC) 15. Safety

FLOW DATA Kelly down 8.00 Mud Type 16. Survey 2.50Circ. Rate (gpm) 350 Depth @ 24:00 hrs (m) 668.00 Density (ppg) 17. Test BOP 3.50AV - DP (fpm) Hook load (lbs) x 1000 50 Viscosity (sec) 18. Tight hole/FishingAV - DC (fpm) SURVEYS Time/Date 19. Slip & cut lineSPP (psi) 500 426m 1/2 Depth (m) 20. Wait on cementSlow pump rate. 120psi @ 63stks 656m 3/4 Temp (oC) 21. Wash/Ream 6 6.00

PUMP # 1 PUMP # 2 Mud Type 22. Well ControlRate Rate N/A Density (ppg) 23. Well TestLiner 6" Liner N/A MUD DATA Viscosity (sec) 24. Trip 8 8.00Stroke 7" Stroke N/A Daily Mud Cost Nil 25. Wireline Logging 5.50 5.50

Days from spud:4.2CUM. Mud Cost Nil 26. Other/Accident 0.50 0.50AFE Costs-C&S Nil TOTALS 24.00 99.00


5/02/2006 0:00 1:30 Drill 649m to 668m1:30 2:00 Circulate hole clean2:00 4:00 POOH to shoe4:00 4:30 Layout 6 DC4:30 5:00 Wait at shoe5:00 7:00 RIH7:00 8:00 Circulate hole clean8:00 10:00 Drop survey POOH to log - 3/4 deg inclination at 656m10:00 15:30 Log as per program15:30 17:30 RIH to 660m17:30 18:00 Displace well to water18:00 0:00 Under-ream; 607-608m, 693-697m, 568-570m, 511-512m, 496-498m

6/02/2006 0:00 6:00 Under-ream; 486-490m, 480-481m, 471-473m, 457-465m


20:00 02-Feb-06 TD REACHED: 1:30 5-Feb-2006

TD: 668.00

See below

16"64m

3-Feb-2006

FineCloudy

DAILY GEOLOGICAL REPORT Sunday


REPORT # 3

TENURE: PL 201 24:00 DEPTH: 668 m 24 HR PROG: 19 m

RIG: Ensign Rig #34 FORMATION: Durabilla Formation PREDICTED TD: 685

SPUD: 20:00 2-Feb-2006 TD REACHED: 1:40 5-Feb-2006

RIG RELEASE: - - TD: 668 m

CONDUCTOR: 16" SET AT: 8 m. SURFACE CASING: 9 5/8" SET AT: 64 m



UNITFROM TO THICKNESSsurface 130.0 130.0 Gubberamunda Formation130.0 200.0 70.0 Westbourne Formation185.0 200.0 15.0 Norwood Mudstone200.0 311.5 111.5 Springbok Sandstone311.5 Walloon Subgroup311.5 521.0 209.5 Juandah Coal Measures521.0 569.0 48.0 Tangalooma Sandstone569.0 623.5 54.5 Taroom Coal Measures623.5 Durabilla Formation


DESCRIPTIONFROM TO THICKNESS649.0 650.0 1.0 SANDSTONE: light whitish grey, very light greenish grey, fine to medium, occasionally coarse, sub rounded, strongly feldspathic, sticky

argillaceous matrix, trace medium grey yellow Siltstone.

650.0 660.0 10.0 SILTSTONE: (60%) light grey to medium yellowish grey, moderately hard, angular break, grading to Mudstone. SANDSTONE: (40%) light whitishgrey, very light greenish grey, very fine to fine, rarely medium, lithic fragments.

660.0 668.0 8.0 SANDSTONE: (80%) light whitish grey, light greenish to yellowish grey, very fine to medium, occasionally coarse, poorly sorted, sub angular to subrounded, sideritic in places, lithic fragments, trace carbonaceous material. SILTSTONE: (20%) medium grey to light yellowish grey.

ADDITIONAL COMMENTSSurvey (deviation) @ TD (0.5º)

OTHER REPORTS (Gas shows, Testing etc)

SUPERVISOR: Robert Wyche GEOLOGIST: Brent Glassborow ENSIGN Hagan WalshMark Ma (Contractor)




Monday




SPUD:

RIG RELEASE:

OPs TO 06:00

REMARKS:

CONDUCTOR: SET AT: 8 m.


AFDs: 77 SAFETY: Heat stress, Tongs, running casing

668.0

Surface.

SURFACE CASING:

BOP TEST:

NEXT TEST DUE:

24 HR PROG: 19.0

PREDICTED TD: 628 m.

SET AT: Pre - set


PM:


RPM Torque 8 1/2" Bit 0.32 Depth (m) 668 2. CasingBIT NUMBER 1 RR6 Reamer 1.89 Temp (oC) 3. CementingSize (in) 8 1/2" NBS 1.65 Mud Type Water 4. Circ. & Condition 1.50 3.50Make geo dia 1x 6 1/4" DC 9.47 Density (ppg) 8.5 5. CoringType HC801 Stabiliser 1.41 Viscosity (sec) 2.4 6. Drilling/Cement 2.50IADC Code 3x 6 1/4" DC 28.01 Time/Date 7. Drilling 36.50Serial Number 7201380 4 x 41/2" HWDP 37.64 Depth (m) 8. Handle BHA 3.00Nozzles 5 x 16 X/O 0.70 Temp (oC) 9. Pickup/Layout 0.50Depth In (m) 668 6 X 4" HWDP 54.43 Mud Type 10. LOT/FITDepth Out (m) 668 Density (ppg) 11. Nipple up BOPs 5.00Metres 0 Viscosity (sec) 12. P&A

Hours 0 Time/Date 13. RepairsROP 0.0 BHA Length: 135.52 Depth (m) 14. Rig Service 0.50Condition Out Drill pipe 524.49 Temp (oC) 15. Safety

FLOW DATA Kelly down 8.00 Mud Type 16. Survey 2.50Circ. Rate (gpm) 350 Depth @ 24:00 hrs (m) 668.00 Density (ppg) 17. Test BOP 3.50AV - DP (fpm) Hook load (lbs) x 1000 50 Viscosity (sec) 18. Tight hole/FishingAV - DC (fpm) SURVEYS Time/Date 19. Slip & cut lineSPP (psi) 500 426m 1/2 Depth (m) 20. Wait on cementSlow pump rate. 120psi @ 63stks 656 3/4 Temp (oC) 21. Wash/Ream 21 27.00

PUMP # 1 PUMP # 2 Mud Type 22. Well ControlRate Rate N/A Density (ppg) 23. Well TestLiner 6" Liner N/A MUD DATA Viscosity (sec) 24. Trip 1.5 9.50Stroke 7" Stroke N/A Daily Mud Cost Nil 25. Wireline Logging 5.50

Days from spud:5.2CUM. Mud Cost Nil 26. Other/Accident 0.50AFE Costs-C&S Nil TOTALS 24.00 123.00


6/02/2006 0:00 Under-ream; 486-490m, 480-481m, 471-473m, 457-465m, 450-455m, 427-429m, 418-420m, 418-420m, 408-412m, 400-401m21:00 396-398m, 381-388m, 377-378m, 367-372m, 343-345m

21:00 22:00 RIH to 640m22:00 23:30 Break circulation attempt to wash to bottom- no luck23:30 0:00 POOH

7/02/2006 0:00 1:00 POOH layout under-reamer and stabilisers1:00 1:30 Clean bit1:30 3:00 RIH with slick assy3:00 3:30 Wash and ream 627m - 668m3:30 4:00 Circulate bottom up4:00 4:30 Displace to water4:30 5:30 POOH5:30 6:00 Layout BHA


20:00 02-Feb-06 TD REACHED: 1:30 5-Feb-2006

TD: 668.00

See below

16"64m

3-Feb-2006

FineFine



Tuesday




SPUD:

RIG RELEASE:

OPs TO 06:00

REMARKS:

CONDUCTOR:

PRODUCTION CSG:

AFDs: 78 SAFETY: Heat stress, pressure testing

668.0

Surface.

NEXT TEST DUE:

24 HR PROG:

PREDICTED TD:


PM:

19.0

628 m.


RPM Torque Depth (m) 668 2. Casing 5.50 5.50BIT NUMBER Temp (oC) 3. Cementing 2.50 2.50Size (in) Mud Type Water 4. Circ. & Condition 1.00 4.50Make Density (ppg) 8.5 5. CoringType Viscosity (sec) 2.4 6. Drilling/Cement 2.50IADC Code Time/Date 7. Drilling 36.50Serial Number Depth (m) 8. Handle BHA 3.00Nozzles Temp (oC) 9. Pickup/Layout 1.50 2.00Depth In (m) Mud Type 10. LOT/FITDepth Out (m) Density (ppg) 11. Nipple up BOPs 3.00 8.00Metres Viscosity (sec) 12. P&A

Hours Time/Date 13. RepairsROP BHA Length: 0.00 Depth (m) 14. Rig Service 0.50Condition Out Drill pipe Temp (oC) 15. Safety

FLOW DATA Kelly down Mud Type 16. Survey 2.50Circ. Rate (gpm) Depth @ 24:00 hrs (m) Density (ppg) 17. Test BOP 3.50AV - DP (fpm) Hook load (lbs) x 1000 Viscosity (sec) 18. Tight hole/FishingAV - DC (fpm) SURVEYS Time/Date 19. Slip & cut lineSPP (psi) Depth (m) 20. Wait on cement 7.00 7.00Slow pump rate. Temp (oC) 21. Wash/Ream 0.5 27.50

PUMP # 1 PUMP # 2 Mud Type 22. Well ControlRate Rate N/A Density (ppg) 23. Well TestLiner 6" Liner N/A MUD DATA Viscosity (sec) 24. Trip 3 12.50Stroke 7" Stroke N/A Daily Mud Cost Nil 25. Wireline Logging 5.50

Days from spud:6.2CUM. Mud Cost Nil 26. Other/Accident 0.50AFE Costs-C&S Nil TOTALS 24.00 147.00


7/02/2006 0:00 1:00 POOH layout under-reamer and stabilisers1:00 1:30 Clean bit1:30 3:00 RIH with slick assy3:00 3:30 Wash and ream 627m - 668m3:30 4:00 Circulate bttm's up4:00 4:30 Displace to water4:30 5:30 POOH5:30 6:00 Layout BHA6:00 7:00 Change out rams,7:00 8:00 Pressure test bonnet seals, note 11"braden head to 9 5/8" casing not sealing under low pressure8:00 13:30 Run 7" casing13:30 15:00 Safety meeting, cement 7" casing15:00 22:00 WOC22:00 23:00 Slack off, layout cement head and landing joint23:00 23:30 Breakout 11" Braiden head23:30 0:00 Install 7" Braden head

8/02/2006 0:00 3:00 Nipple up BOP3:00 3:30 Install Koomey unit and function test3:30 6:00 Rig on down time due to valve seal failure


20:00 02-Feb-06 TD REACHED:

TD:

1:30

668.00

5-Feb-2006

Sourcing spare parts for mud pump repair

16" SET AT:

SET AT:

8 m.

664.8

SURFACE CASING:

BOP TEST:

64m

3-Feb-2006

SET AT: Pre - set7"

Cloudy / RainFine



Wednesday




SPUD:

RIG RELEASE:

OPs TO 06:00

REMARKS:

CONDUCTOR:

PRODUCTION CSG:

AFDs: 79 SAFETY: Heat stress, Drill collars

668.0

Surface.

NEXT TEST DUE:

24 HR PROG:

PREDICTED TD:


PM:

19.0

628 m.


RPM Torque Depth (m) 668 2. Casing 5.50BIT NUMBER RR2 Temp (oC) 3. Cementing 2.50Size (in) 6 1/8" Mud Type Water 4. Circ. & Condition 1.00 5.50Make Density (ppg) 8.3 5. CoringType XR+ Viscosity (sec) 2.4 6. Drilling/Cement 3.50 6.00IADC Code Time/Date 7. Drilling 36.50Serial Number ER5764 Depth (m) 8. Handle BHA 3.00Nozzles 2 X 18 Temp (oC) 9. Pickup/Layout 2.50 4.50Depth In (m) 330 Mud Type 10. LOT/FITDepth Out (m) Density (ppg) 11. Nipple up BOPs 7.00 15.00Metres Viscosity (sec) 12. P&A

Hours Time/Date 13. Repairs 4.50 4.50ROP BHA Length: 0.00 Depth (m) 14. Rig Service 0.50Condition Out Drill pipe Temp (oC) 15. Safety

FLOW DATA Kelly down Mud Type 16. Survey 2.50Circ. Rate (gpm) Depth @ 24:00 hrs (m) Density (ppg) 17. Test BOP 2.00 5.50AV - DP (fpm) Hook load (lbs) x 1000 Viscosity (sec) 18. Tight hole/FishingAV - DC (fpm) SURVEYS Time/Date 19. Slip & cut lineSPP (psi) Depth (m) 20. Wait on cement 7.00Slow pump rate. Temp (oC) 21. Wash/Ream 27.50

PUMP # 1 PUMP # 2 Mud Type 22. Well ControlRate Rate N/A Density (ppg) 23. Well TestLiner 6" Liner N/A MUD DATA Viscosity (sec) 24. Trip 2.5 15.00Stroke 7" Stroke N/A Daily Mud Cost Nil 25. Wireline Logging 5.50

Days from spud:7.2CUM. Mud Cost Nil 26. Other/Accident 1.00 1.50AFE Costs-C&S Nil TOTALS 24.00 171.00


8/02/2006 0:00 3:00 Nipple up BOP3:00 3:30 Install Koomey unit and function test3:30 8:00 Down time due to valve seal failure8:00 10:00 Pressure test BOP's10:00 10:30 Dry run tubing hanger10:30 12:30 M/U and run in 6 1/8" drilling assembly12:30 16:00 Drill ECP, landing collar + 3m cement16:00 16:30 RIH to 668m16:30 17:30 Displace well to water17:30 20:00 Layout drill pipe, break kelly , layout drill collars20:00 20:30 Run 10 joints of 3 1/2" tubing and land hanger20:30 23:30 Nipple down BOP's23:30 0:00 Layout kelly rig release


20:00 02-Feb-06

8-Feb-2006

TD REACHED:

TD:

1:30

668.00

5-Feb-2006

00:00

See below

16" SET AT:

SET AT:

8 m.

664.8

SURFACE CASING:

BOP TEST:

64m

3-Feb-2006

SET AT: Pre - set7"

RainFine

APPENDIX II

CUTTINGS DESCRIPTIONS

——————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————

QGC05-Feb-2006 Drill Hole BERSTH24 Page 1——————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————From To SampleDepth Depth Thick. Number Lithology

——————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————

0.000 300.000 300.000 NOT LOGGED.

300.000 301.000 1.000 MUDSTONE: medium grey, dark grey, carbonaceous, grading to Siltstone, trace sand grains.


301.200 311.500 10.300 SANDSTONE (50%): light whitish grey, fine grained, occasionally medium, sub angular, argillaceous matrix, lithic fragments, grading to Siltstone

SILTSTONE (25%): greyMUDSTONE (25%): medium grey, dark grey, carbonaceous, trace Coal.

311.500 312.000 0.500 COAL: black.

312.000 315.000 3.000 SANDSTONE (40%): light whitish grey, fine grained, grading to medium, lithic fragments, argillaceous matrix

SILTSTONE (30%): greyMUDSTONE (30%): dark grey, carbonaceous, trace Coal.

315.000 320.600 5.600 SANDSTONE (60%): light grey, medium to fine grained, trace coal, SILTSTONE (20%): medium greyMUDSTONE (20%): dark grey, dark grey, carbonaceous.

320.600 325.400 4.800 SANDSTONE (40%): light grey SILTSTONE (40%): medium grey MUDSTONE (20%): dark grey.

325.400 330.000 4.600 SANDSTONE: light grey, fine grained.

330.000 335.000 5.000 COAL: black, with firm clay pellets,.

335.000 337.000 2.000 SANDSTONE (40%): light grey SILTSTONE (30%): medium greyMUDSTONE (30%): dark grey.

337.000 337.500 0.500 COAL: black.

337.500 339.700 2.200 SILTSTONE (40%): medium grey

——————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————


——————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————MUDSTONE (30%): dark grey, dark grey, carbonaceous SANDSTONE (20%): light greyCOAL (10%): black.

339.700 344.400 4.700 COAL: black.

344.400 346.000 1.600 SANDSTONE (30%): light grey, occasionally medium, argillaceous SILTSTONE (30%): medium greyMUDSTONE (30%): medium grey COAL (10%): black.

matrix, grading to Siltstone

346.000 349.000 3.000 COAL: black.

349.000 353.900 4.900 MUDSTONE (40%): dark grey SANDSTONE (30%): light greySILTSTONE (30%): medium grey.

353.900 358.600 4.700 SANDSTONE (60%): light grey, occasionally medium, sub angular, argillaceous matrix, lithic fragments, grading to Siltstone, trace coal

SILTSTONE (40%): medium grey.

358.600 363.400 4.800 SANDSTONE (35%): light grey, quartzose/ feldspathicSILTSTONE (30%): light greyMUDSTONE (30%): medium grey, carbonaceous COAL (5%): black.

363.400 368.100 4.700 SANDSTONE (60%): light grey, quartzose/ feldspathic, argillaceous matrix, lithic fragments, grading to Siltstone

SILTSTONE (40%): medium grey.

368.100 372.800 4.700 COAL: black, with claystone pellets.

372.800 375.600 2.800 SILTSTONE (50%): medium greyMUDSTONE (30%): medium grey SANDSTONE (20%): light grey.

375.600 377.600 2.000 COAL: black.

——————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————


——————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————

377.600 380.000 2.400 COAL: black, with increasing clay pellets.

380.000 385.400 5.400 SANDSTONE (20%): light grey, medium to fine grained SILTSTONE (20%): light greyMUDSTONE (20%): medium grey COAL (40%): black.

385.400 387.000 1.600 COAL: black, interbedded with mudstone.

387.000 390.000 3.000 SANDSTONE (40%): light grey, medium to fine grainedSILTSTONE (30%): medium greyMUDSTONE (30%): medium grey, carbonaceous, trace Coal.

390.000 391.900 1.900 COAL: black.

391.900 392.900 1.000 SANDSTONE (40%): light greySILTSTONE (30%): medium greyMUDSTONE (30%): medium grey, carbonaceous, trace Coal.

392.900 396.700 3.800 SANDSTONE (50%): light grey, fine to very fine grainedSILTSTONE (30%): medium grey MUDSTONE (20%): medium grey.

396.700 398.000 1.300 SANDSTONE (50%): light grey, medium to fine grained, occasionally medium, sub angular,argillaceous matrix, lithic fragments, grading to Siltstone

MUDSTONE (30%): medium greySILTSTONE (20%): medium grey.

398.000 399.000 1.000 COAL: black.

399.000 401.400 2.400 SANDSTONE (30%): light grey, medium to fine grained SILTSTONE (20%): medium greyMUDSTONE (20%): light grey, dark grey, carbonaceous COAL (30%): black.

401.400 406.000 4.600 SANDSTONE (30%): light grey SILTSTONE (30%): medium grey

——————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————


——————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————MUDSTONE (30%): dark grey, dark grey, carbonaceous COAL (10%): black.

406.000 408.000 2.000 COAL: black.


SILTSTONE (20%): medium greyMUDSTONE (20%): medium grey, dark grey, carbonaceous COAL (10%): black.

411.000 413.000 2.000 COAL: black.

413.000 414.800 1.800 SANDSTONE (40%): light grey, medium to fine grained, occasionally medium, sub angular,argillaceous matrix

MUDSTONE (30%): dark grey COAL (30%): black.

414.800 415.800 1.000 SANDSTONE (40%): light grey, SILTSTONE (30%): medium grey MUDSTONE (30%): medium grey.

medium to fine grained

415.800 417.600 1.800 COAL: black.


SILTSTONE (30%): medium greyMUDSTONE (20%): medium grey.

420.600 425.300 4.700 SANDSTONE (50%): light grey, medium to fine grained, occasionally medium, argillaceous matrix, lithic fragments, trace coal

SILTSTONE (25%): medium grey MUDSTONE (25%): medium grey.

425.300 428.500 3.200 COAL: black.

428.500 430.100 1.600 SANDSTONE (50%): light grey, medium to fine grained MUDSTONE (50%): medium grey.

——————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————


——————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————

430.100 432.000 1.900 COAL: black.

432.000 433.000 1.000 SANDSTONE (40%): light grey, occasionally medium, argillaceous matrix, lithic fragments,grading to Siltstone

SILTSTONE (25%): medium grey MUDSTONE (25%): dark grey COAL (10%).

433.000 435.000 2.000 SANDSTONE: dark grey, medium to fine grained, quartzose/ feldspathic.

435.000 439.700 4.700 SANDSTONE: light grey, fine to very fine grained, quartzose/ feldspathic, coal.

well sorted, trace

439.700 444.500 4.800 SANDSTONE: light grey, fine to very fine grained, quartzose/ feldspathic, coal.

well sorted, trace

444.500 446.000 1.500 SANDSTONE (70%): light grey, fine to very fine grained COAL (30%): black.

446.000 447.000 1.000 SANDSTONE (50%): light grey, medium to fine grained SILTSTONE (30%): medium greyMUDSTONE (20%): medium grey.

447.000 447.500 0.500 COAL: black.

447.500 449.300 1.800 SANDSTONE (40%): light grey, medium to fine grained, occasionally medium, argillaceous matrix, lithic fragments, grading to Siltstone

sub angular,

SILTSTONE (20%): medium grey MUDSTONE (20%): speckled grey COAL (20%): black.

449.300 452.000 2.700 COAL: black.

452.000 453.500 1.500 SANDSTONE: light grey, occasionally medium, sub angular, argillaceous matrix, lithic fragments.

453.500 456.000 2.500 COAL: black.

——————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————


——————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————

456.000 457.700 1.700 COAL (60%): blackSANDSTONE (40%): light grey, medium to fine grained.

457.700 458.700 1.000 SANDSTONE: light grey, fine grained.

458.700 461.500 2.800 COAL: black.

461.500 463.500 2.000 SILTSTONE (30%): medium greyMUDSTONE (30%): dark grey, dark grey, carbonaceous COAL (40%): black.

463.500 465.000 1.500 MUDSTONE (40%): dark grey, medium to fine grained SANDSTONE (30%): medium greySANDSTONE (30%): medium grey.


SILTSTONE (20%): medium greyMUDSTONE (30%): dark grey, carbonaceous COAL (10%): black.

468.200 471.000 2.800 COAL: black.

471.000 473.000 2.000 COAL: black, with carbonaceous shale.

473.000 474.000 1.000 MUDSTONE (50%): medium grey SILTSTONE (30%): medium grey SANDSTONE (20%): light grey.

474.000 475.000 1.000 SILTSTONE (50%): medium grey MUDSTONE (50%): medium grey.

475.000 477.600 2.600 SANDSTONE (40%): light grey, fine grained, well sorted, argillaceous matrix, lithic fragments,grading to Siltstone, trace coal

SILTSTONE (30%): medium grey MUDSTONE (30%): medium grey.

——————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————


——————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————

477.600 479.000 1.400 COAL: black.

479.000 481.000 2.000 MUDSTONE (30%): dark grey SILTSTONE (30%): medium grey SANDSTONE (20%): medium grey COAL (20%): black.

481.000 482.500 1.500 COAL: black.

482.500 483.000 0.500 SILTSTONE (50%): medium grey MUDSTONE (50%): medium grey.

483.000 484.000 1.000 COAL.

484.000 487.000 3.000 SANDSTONE (30%): light grey, fine grained SILTSTONE (30%): medium greyMUDSTONE (30%): dark grey COAL (10%): black.

487.000 490.000 3.000 COAL: black.

490.000 492.000 2.000 SANDSTONE (40%): medium grey, occasionally medium, argillaceous matrix, lithic fragments,grading to Siltstone

SILTSTONE (30%): medium greyMUDSTONE (30%): medium grey, carbonaceous.



496.700 498.000 1.300 COAL: black.

498.000 501.000 3.000 SANDSTONE (30%): light grey, carbonaceousSILTSTONE (30%): medium grey MUDSTONE (30%): mottled grey COAL (10%): black.

——————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————


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503.000 506.000 3.000 SANDSTONE (70%): light grey, medium to fine grained, quartzose/ feldspathic, occasionallyargillaceous matrix, lithic fragments, grading to Siltstone

SILTSTONE (30%).


508.000 510.000 2.000 COAL: black.


511.000 514.900 3.900 SANDSTONE (40%): light grey, fine grained, feldspathic SILTSTONE (30%): medium greyMUDSTONE (20%): medium grey COAL (10%): black.

514.900 515.900 1.000 MUDSTONE (50%): medium greySILTSTONE (50%): medium grey.

515.900 517.000 1.100 SANDSTONE (50%): light greySILTSTONE (30%): medium grey COAL (20%): black.

517.000 518.600 1.600 MUDSTONE (50%): mediumCOAL (50%): black.

grey, carbonaceous shale

518.600 519.000 0.400 MUDSTONE (35%): medium greySILTSTONE (35%): medium grey COAL (30%): black.

519.000 520.600 1.600 COAL: black.

520.600 521.600 1.000 COAL (50%): blackSANDSTONE (50%): light grey.

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521.600 525.000 3.400 SANDSTONE (50%): light grey, fine grained SILTSTONE (50%): medium grey.

525.000 537.000 12.000 SANDSTONE: light whitish grey, very light greenish grey, occasionally frosted, very fine to medium grained, occasionally coarse, sub angular to sub rounded, hard to moderately hard,commonly poorly sorted, lithic fragments, strongly feldspathic, argillaceous matrix, trace disseminated carbonaceous material, grading to grey to brownish grey carbonaceous Siltstone, trace Coal.

537.000 537.200 0.200 COAL: black, interbedded Siltstone.

537.200 557.000 19.800 SANDSTONE: light whitish grey, very light yellowish grey, very fine to fine grained, grading tomedium at base, argillaceous matrix, lithic fragments, grading to Siltstone in places, becoming feldspathic at base, rare trace Coal.


557.500 565.000 7.500 SANDSTONE (70%): light whitish grey, very light yellowish grey, very fine to fine, occasionallygrading to medium, angular to sub angular, feldspathic, lithic fragments, argillaceous matrix, trace carbonaceous material

SILTSTONE (30%): grey, brownish grey, carbonaceous in places, grading to Mudstone, trace Coal.

565.000 569.000 4.000 SANDSTONE: grading to medium, as above.

569.000 571.000 2.000 COAL: black.

571.000 572.000 1.000 COAL (50%): blackMUDSTONE (50%): dark brownish grey, grading to Siltstone.

572.000 573.500 1.500 MUDSTONE: dark brownish grey, carbonaceous, grading to Siltstone, trace Coal.

573.500 582.500 9.000 SANDSTONE: light whitish grey, very light yellowish to greenish grey, fine to medium grained, grading to medium to coarse at base, sub rounded, hard, abundant lithic fragments, argillaceous matrix, cleaning towards base, trace carbonaceous material, trace Siltstone fragments.

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582.500 584.500 2.000 COAL: black.

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QGC05-Feb-2006 Drill Hole BERSTH24 Page 10——————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————

—

FromDepth

ToDepth

SampleThick. Number Lithology

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584.500 585.500 1.000 SANDSTONE (50%): light whitish grey, fine to very fine grained, grading to Siltstone SILTSTONE (30%): greyMUDSTONE (20%): medium grey, trace tuff, carbonaceous.

585.500 587.500 2.000 SILTSTONE (50%): medium grey, trace very fine Sandstone MUDSTONE (50%): dark brownish grey, carbonaceous.

587.500 593.000 5.500 SANDSTONE: light whitish grey, medium to fine grained, occasionally coarse, lithic fragments,trace feldspar, strong argillaceous matrix in places.

593.000 595.000 2.000 COAL: black.

595.000 596.000 1.000 COAL (50%): blackMUDSTONE (50%): medium grey, tuffaceous in places.

596.000 597.000 1.000 SILTSTONE (50%): grey, trace very fine Sandstone MUDSTONE (50%): medium grey.

597.000 604.000 7.000 SANDSTONE: light yellowish grey, fine to very fine grained, grading to medium to coarse towards base, sticky argillaceous matrix in places, becoming increasingly feldspathic, rare carbonaceous lenses.

604.000 604.500 0.500 COAL: black.

604.500 605.500 1.000 SILTSTONE: grey, grading to very fine Sandstone, trace Mudstone.

605.500 605.800 0.300 COAL: black.

605.800 608.000 2.200 SANDSTONE (60%): light whitish grey, fine to very fine grained SILTSTONE (40%): grey, trace brownish grey Mudstone.

608.000 614.000 6.000 SANDSTONE: light whitish grey, very light greenish grey, fine to medium grained, strongcarbonaceous material, trace grey to yellowish grey Siltstone.

614.000 614.300 0.300 COAL: black.

614.300 614.800 0.500 SILTSTONE (50%): light brownish grey, medium grey


—————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————— MUDSTONE (50%): grey.

614.800 615.000 0.200 COAL: black.

615.000 617.000 2.000 SILTSTONE (70%): grey, light brownish grey, grading to Mudstone SANDSTONE (30%): light whitish grey, fine to very fine grained.

617.000 621.000 4.000 SANDSTONE: light whitish grey, very light yellowish grey, very fine to medium, very hard at base, carbonaceous specks, lithic fragments, commonly grading to Siltstone.

621.000 621.300 0.300 COAL (50%): blackSILTSTONE (50%): brownish grey.

621.300 623.000 1.700 SANDSTONE (60%): light whitish grey, very fine grained SILTSTONE (40%): grey, trace Mudstone.

623.000 623.500 0.500 SANDSTONE (70%): light whitish grey, very fine grained, grading to Siltstone, trace Mudstone COAL (30%): black.

623.500 630.000 6.500 SANDSTONE: light whitish grey, very light greenish grey, fine to medium, occasionally coarse,sub rounded, strongly feldspathic, argillaceous matrix, trace medium grey yellow Siltstone.

630.000 631.500 1.500 SANDSTONE (70%): as aboveSILTSTONE (30%): grey to medium grey.

631.500 650.000 18.500 SANDSTONE: light whitish grey, very light greenish grey, fine to medium, occasionally coarse,sub rounded, strongly feldspathic, sticky argillaceous matrix, trace medium grey yellowSiltstone.

650.000 660.000 10.000 SILTSTONE (60%): light grey to medium yellowish grey, moderately hard, angular break, grading to Mudstone

SANDSTONE (40%): light whitish grey, very light greenish grey, very fine to fine, rarely medium, lithic fragments.

660.000 668.000 8.000 SANDSTONE (80%): light whitish grey, light greenish to yellowish grey, very fine to medium, occasionally coarse, poorly sorted, sub angular to sub rounded, sideritic in places, lithic fragments, trace carbonaceous material

SILTSTONE (20%): medium grey to light yellowish grey.


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—————————— Total Depth: 668.000 metres ——————————

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APPENDIX III

SURVEY LOCATION PLAN

ENCLOSURES

WIRELINE LOG DATA (LAS FORMAT) WIRELINE LOG PRINT (1:500)

Documents

s3-ap-southeast-2.amazonaws.com€¦ · Web viewThe Surat Basin is a large intracratonic basin of Mesozoic age covering approximately 300,000km2 of southeastern Queensland and northern