AUSTRALASIA POST JOB REPORTS

CEMENTlNGlPUMPlNG

Well Name : Montara H1 ST1

Rig: WEST ATLAS

PRODUCTION CASING 7523

Prepared for Noel Treasure, Lyndsay Wishart, Steven Loveless

7/03/2009

Prepared by David Doeg

The Future is Working Together.

Notice: Although the information contained in this report is based on sound engineering practices. the copyright owner(s) does (do) not accept any responsibility whatsoever. in negligence or othewise. for any loss or damage arising

from the use of the information given in this report

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PTTEP AUSTRALASIA POST JOB REPORTS

CEMENTING/PUMPING

Well Name: Montara HI STI

Rig: WEST ATLAS

PRODUCTION CASING 7523

Prepared for Noel Treasure, Lyndsay Wishart, Steven Loveless

7103/2009

Prepared by David Doeg

HALLIBURTDN The Future is Working Together.

Notice: Although the information contained in this report is based on sound engineering practices, the copyright owner(s) does (do) not accept any responsibility whatsoever, in negligence or otherwise, for any loss or damage arising

from the use of the information given in this report

Page 1 of 4

HAL.9001.0001.0383

2 of 4 Page 2 of 4

HAL.9001.0001.0383_01

HALLIBURTON SALES ORDERNo

WELL CUSTOMERREP

~ o n t a r a H1 S71 ~ m o r s e a ~ u s r a a ~ o e ~ r e a r u r e ~ y n d r a y W~rhan o m u

JOB TYPE JOBPURPOSECODE BOA RIO

Zonal r o a f o n PRODUCTION CASING 7523 Penh WEST ATLAS

KEY PERFORMANCE INDICATORS

TYPE OF JOB (Cementing or Non-Cementing]: WAS THIS A PRIMARY CEMENT JOB (YES IN01

Pnmarycemni lob = Casmglob. h e r l o b , ile back

1 DID WE RUN WIPERPLUOS?

WAS THIS A PLUO OR SQUEEZE JOB?

NUMBEROF UNPLANNED SHUTDOWNS (ARerrtnningto pump] m

~EJCS I CUSTOMER COMMENTS

we hope you were happy W,th the rervce q u a t y o i f h s l o b peliormed by H a b u n o n If r the a m of our management and rervce personnel to delver equpment and rervcer of a standard unmatched n the rervce rector o f f h e energy ndu r f ry

Pease fake the tme t o e t us know i our peliormance met your expectatonr Pease b e as c r , t c a as p o r r b e to ensure we con*anty mprove our rervce Your comments are of great value t o us and are " f ended fo r the excur,ve use of

Curtomer signature: , . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Date: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Page 3 of 4

" I

TYPE OF JOB (Cementing or Non-Cementing): Cement ing

Seled Ihe job type (Cemenling or Non-Cerrenling)

TOTAL OPERATING TIME (hrs)

Rig uty Pumping/ Rig Down

HSE INCIDENT, ACCIDENT, INJURY:

This should be recordable inOdenls only

WAS THE JOB DELIVERED CORRECTLY AS PERJOB DESIGN?

This wi!! be dictated by Ihe cuslorrer

TOTAL TIME PUMPING (hrs)

Tola! nurrtJer of hours purrping fiuid on this job

NON -PRODUCTIVE RIG TIME:

As a rew~ ofHaiiiburlon cerrenling PSL

NUMBER OF JSA'S PERFORMED:

NUMBER OF UNPLANNED SHUTDOWNS (After starting to pump)

TYPE OF RIG(CLASSIFICATION) JOB WAS PERFORMED ON:

REASON FOR UNPLANNED SHUTDOWNS (After starting to pump)

Add details in job logs

6.0 hrs

NO

YES

3.0 hrs

00 hrs

JACKUP

REASON FOR NON-PRODUCTIVE RIG TIME (Cementing PSL responsibil"tvl:

Add delails in job logs

I EJCS I CUSTOMER COMMENTS

Dear Custorre r,

We hope you were happy "";th the service quality of th is job perforrred by Halliburton. It is the aim of our managerrent and service personnel to del rver equiprrent and services of a standard unmatched in the service secto r of the energy

industry

Please take the tirre to le t us know if our performance rret yvu r expectations

Please be as aitical as possible to ensure we constan~y improve our service Your comrrents are of great value to us and are intend ed forthe exclusrve use of

Did our personnel perform Ihe job 10 your satidacfion?

Did our equipmenl perform the job 10 your salisfacfion?

Did we perform Ihe job 10 Ihe agreed upon design?

Did our producls and malerials perform as you expecfed?

Did we perform in a safe & careful manner? PPE, Pre/Posl rrigs, JSA

Did we perform in an environmenlal /y sound manner? Spiiis, disharges, clean up

Was Ihe job performed as scheduled? On lirre, as designecYdiscussed

Did Ihe equiprrenl cond~ion & appearance rreel you expectalions?

Hew well did our personnel commun ica le dunng mobilisalion, ng up and job execulion

Overall, I was satidied wilh Halliburfon's job performance

Customer Com ments? (Whal can we do 10 improve/ma in lain our services?)

Customer Signature:

WAS THIS A PRlfI'1ARY CEMENT JOB (YES I NO) YES

Primary cerrenl job = Casing job, Liner Job, lie back

DID WE RUN WIPER PLUGS? I Top & Bottom Plugs I

WAS THIS A PLUG OR SQUEEZE JOB?

WAS THIS A PRlfI'1ARY OR REMEDIAL JOB?

Remedial = Repeated attempts or corrections of initial cement job

MIXING DENSITY OF JOB STAYED IN DESIGNED RANGE

Dens~y defined as +/- 02ppg Calculation. Tolal Mis cemenl mixed al designed

densily divided by lolal Mis of cemenl rru~ip lied by 100

WAS AUTOfl'1ATED DENSITY CONTROL USED

JOB WAS PUMPED A T DESIGNED PUMP RATE

Purrp rale ranged defined as +/- bpm Ca lculalion lolal Mis offiuid pumped al

Ihe designed rale divided by folal Mis of fluid purrped rru~ip lied by 100

NUMBER OF REMEDIAL SQUEEZE JOBS REQUIRED - HES

Neither

Primary

100%

YES

100%

Number of rerredial squeeze jobs required after primary job performed by HES,... ____ ,

NUMBER OF REMEDIAL AQUEEZE JOBS REQUIRED - COMPETITION LI __ .::..._--,

Number of rerredial squeeze job s required after primary job perforrred by compe>F""'""",-__ ,

NUMBER OF REMEDIAL PLUG JOBS REQUIRED - HES LI __ .::..._--,

Number of rerredial plug jobs required after primary plug pumped by HES

Please indica le your response by plaClng a lick in

Ihe oox undemeath Ihe rating Ihal besl malches

your opinIOn

YES NO

Date:

Page 3 of 4

HAL.9001.0001.0383_02

SALES ORDERNo

WELL CUSTOMERREP

~ o n t a r a H1 S71 ~ m o r s e a ~ u s r a a ~ o e ~ r e a r u r e ~ y n d r a y W~rhan o m u

12 2 5 n 2 5 percent excess, 1636 8mfo3796m

CEMENT DESIGN

l 0 3 2 5000 I I PRESSURE TESTSURFACE LINES TO5000 PSI

1 0 4 0 5 200 3 PUMP 5 BBLS DRLLWGTERGHEGD

I I I I

Page 4 of 4

- ,-- ,." , ............. HIm.,!,: IWELL I I 10 NAME ; REP 'REP IWELLTYPE

IMoe"" HI STI h,moe S" Australia I D,",d Dee o Nee l T,,,~, ,, Lycd~,y WI~h,". lOll De"

IJOB TYPE JOB PURPOSE CODE BOA IRIG

~L Y CASING 7523 P,"h IWEST ATLAS

h" h" _I h" _I h"

I#N /A D,",d Dgeg 12 I #N /A NICk Shgl" 12 1 1

" ISAPO PUMPING I MIXING HOURS ISAPO BUlK SUPPL YI TANKS HOURS

110960831 SKID-RCM 3 , 12 110877858 STEADY FLOW SEP 12

ISAPO V'HIei " I TRAILERS HOURS ISAPO OTHER HOURS

1, 0860845 CMS 12

I FLOAT II AND CASING " ISAPO " I QTY ISAPO PLUGS QTY

I#NIA 9 5/8' GUI DE SH OE 1 I#NIA 9 5/8' TOP PLUG 5 WIPER 1

I~ 95 /8 ' FLOAT COLLAR NR (N OTE Nc1 H,",b" gg FC) 1 I#N /A 9 518' BOTTOM PLUG 5 "'PER 1

.L LE INEW CASING + EXCESS OR CALIPER DATA CASINGS

INoo hp.,,' C .. 'o, • I. 27 .'m ,h,,"'"

1962 5in 47ppf Yam Top Omlo 3786.6 5m MO, 2669mTVD 13.375in, 68ppf, 15mto 1636.8m

2 .25 in , 25 percent excess , 16 36 .8m to 3796m 20in, 133ppf, 15m to 150 A m

. DESIGN Tv",' Sp"" E. L", Tail

IDENSITY 105ppg WATER 36.55gaVsk DENSITY 120ppg WATER 12.68gaVsk DENSITY 158ppg WATER 4.78gal/sk

IYIELD OOO cuftift MIX FLUID o 000,1/7k YIELD 241 cuftlft MIX FLUID 14 51 g,"~ YIELD 11 6cuftlft MIX FLUID 5 180,1/7k

Dri ll water WATER SOURCE Drillwat er WATER SOURCE Dri ll water

le,m,", ""' at Ib/ sk CEMENT TYPE ABC Class 'G ' at 9411J1sk CEMENT TYPE ABC Class 'G ' at 941b/sk

ITotal CernentUsed Total Cern ent Used 38MT Total Cern ent Used 28 MT

IE"'m.'" TOC 12 00m E"'m .,,' TOC 15868m E"'m .,,' TOC 323685 m

IAdditive , T,'" U", Ad""" , T".I U", Ad""" T".I U",

ITuned Spa cer E+ 15 1b1bb l 15 00l bs 12 g,"~ 1300ga ls ] 1 O'"~ 126ga ls

IB"'" 107.56 1blbb l 10560lbs 0.518 gal/sk 535ga ls Halad-413L 0.247 gal/sk 200ga ls

INF-6 5ga ls SCR- l00L gal/sk 110ga ls SCR- l DO L 0.074 gal/sk 60gals

NF-6 ] OOg O,I/,k 2g' " NF-6 J 003 O , I/~k Ig, ' ~

IJOB LOGS IDATE ITIME VOLUME , (P': RATE JOB DESCRIPTION

7103/2008 700 HOLD PRE . mTINGAND I

1027 5 200 5 PUMP 5 BBLS DRILL W ATER AHEAD

1032 5000 ' TEST SURFACE LINES TO 5000 PSI

10 4 0 5 200 3 PUMP 5 BBLS DRILL

10 4 2 1 PLUG

1045 5 200 3 KICK OFF BOn OM PLUG "'TH 5 BBLS I

10 58 382 500 8 MIX 6" 'MP " 2 BBLS LEAD SLURRY AT 12 0 PPG

1147 133 300 5 MIX & PUMP 133 BBLS TAIL SLURRY AT 15 8 PPG

1225 ' PLUG

1227 24 200 5 N CK OFF TOP PLUG W ITH 24 BBLS OW

1233 gOO SWITCH T O RIG T O [ I 1 gOO BBLS INH IBITED SEA WATE R

SWITCH BACK TO HALCO TO TEST CSG. CHECK FLOAT

14 10 9 25 4000 06 TEST 9 5/8 CSG T O 4000 PS I

1441 BLEED OFF . ; TEST.

1444 165 12 00 FLOAT COLLAR NOT HOLDING . 16 5 BBLS BACK . SH UT IN

1447 165 1300 1 PUMP 16 5 BBLS . ATIEMPT r PLUG

151 0 SH UT IN AT SURFA CE

17 51 ] 5 687 BLEED OFF CSG STRING 3 5 BBLS BACK. 0 PS I

EN D OF JOB LOGS

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HAL.9001.0001.0383_03