Eoi for 50 Side Track05314143919

7/29/2019 Eoi for 50 Side Track05314143919

1/15

ONGC is planning to undertake fast track project for

ONGC seeks Expression of Interest from the potential reputed bidders havingexperience and expertise of carrying out similar projects .

-Assam Asset has embarked on a strategy to increase oil production fromexisting fields by way of sidetracking of non-flowing/idle/sub-optimal flowing

wells. About 50 such wells which have potential to produce oil from Lakwa-Lakhmani, Rudrasagar and Geleki fields have been identified for sidetracking.In most of these wells, work over jobs have been attempted in the pastwithout any fruitful results and as such sidetrack of these wells in the samelayer towards better area away from the current position or to otherpromising layers have been planned. Among these 50 wells, about 10 wellsare to be sidetracked as horizontal wells and the remaining 40 wells are to besidetracked as high angle wells.

The details of Scope of Work for side tracking of 50 wells are available on

www.ongctenders.net.

The potential bidders need to submit the following documents by 28.3.05in the Office of I/c MM, Assam Asset, ONGC, Nazira, Assam 785685 (Tel.no. 03772-252372). However, no price details are to be submitted at thisstage :

(a) Company profile, organizational set up with details of professionaltechnical and financial capabilities for executing scope of work coveredin above EOI.

(b) List of similar projects executed by the agency in past, clearlyindicating the minimum details like Scope of work, Type of Wells,Cost, End User (Client), Schedule, Sub contracting / consortiumarrangements made by the agency.

(c) Detailed plan for executing entire scope of work.(d) Equipment list, technical specification and capability.(e) Work history for the last 24 months including experience in line.(f) Brief of Heath, Safety, Environment and Quality Assurance and Control

systems followed.(g) List of similar contracts executed with value and brief scope of work.(h) Company profile with details of professional technical and financial

capabilities of participating companies in case of consortium.
http://www.ongctenders.net/http://www.ongctenders.net/


2/15

The presentations can also be sent in soft copy by e-mail [email protected].

The Professional/Technical experts meet shall be held from 10 AM onwardson 4.4.05 at Hotel Taj Bengal, Kolkotta. Detail schedule of the EOI meet is

also available on the website www.ongctenders.net. The participating partiesare requested to give a presentation in the above structured format.
http://www.ongctenders.net/http://www.ongctenders.net/


3/15

A total of 50 wells are available for side tracking in Lakwa, Rudrasagar

and Geleki oil fields of ONGC, Assam Asset in Assam state of India.

Side tracking to be under taken in existing well which are both vertical

and deviated with S profile. Side tracking to be under taken in the

vertical section preferably below 9 5/8 shoe. Drilling is to be carried

out by Professional/technical experts by providing their own suitable

onshore rigs and equipments in one/two year time frame. Type and

number of rigs are to be indicated by the prospective bidders.

Professional/technical experts are required to provide all the services

required to side track these wells as a single point responsibility i.e.

trained manpower, equipment and all services including MWD &

SDMM, Mud, Cementing, Completion, Logging etc. In this regard,

prospective Professional/technical expert may note the following:

1. :

a) TVD : 2300 m 4000 m

b) HD : 100 m - 1000 m

c) Number of Side track wells

i. High angle section around 40 nos

ii. Horizontal section around 10 nos

d) Kick off

i. Either below 9 5/8 casing shoe

ii. Or in 9 5 /8 casing using whipstock


4/15

2. :

Drilling is to be carried out by Professional/technical experts by

providing their own complete onshore drilling rigs and equipments(Type and number of rigs are to be indicated by the prospective

bidders) along with capable and experienced Rig crew personnel for

supervision, operation and maintenance for effective side track drilling

and completion of desired high angle / horizontal drain holes in

accordance with best oil field practices.

3. :

Professional/technical expert has to plan and execute all the operations

and services from 5 casing retrieval, window cutting, side tracking

with 8 bit and 6 drain hole drilling in horizontal section, where

ever applicable, to well completion for successful side tracking as per

geological objective including pilot hole drilling in case of horizontal

wells, wherever required, to ascertain the current geological

information. He shall be responsible for arranging the required services

and ensure their timely availability.

4. :

Professional/technical expert has to plan and provide all allied

services required for side tracking the wells to the desired sub

surface target such as:

a) :

Professional/technical expert has to provide MWD and SDMM

equipment, whip stock setting ( where ever required ), window

milling and services as per well/geological requirement (including

operators/ engineers /directional drillers) along with drilling jars and

motor bits for drilling 8 to 6 hole.


5/15

b) :

Professional/technical expert has to plan and execute the mud

services with their own chemicals, manpower and laboratory testingequipment. He has to design the different mud systems required for

each phase of the well such as KOP to 70 degree angle phase

covering the key seat prone Girujan clay, the landing point to

drilling to 90 degrees drain hole section covering the hydrostatic to

depleted Tipam sands and the caving prone BCS coal shale section.

The pay zone section, both high angle and horizontal drain hole

needs to be drilled with formation friendly non-damaging drilling

fluid using bio degradable polymers etc., with no Barite and

Bentonite. The high angle wells in Lakwa and Rudrasagar fields are

to be drilled in a single section with 81/2 bit with suitable non

damaging formation friendly mud system. In the case of horizontal

well and high angle well of BMS pay sand of Geleki field and also in

case of high angle wells in Lakwa, Rudrasagar and Geleki fields

where kick off is not feasible below 1200 m or so, two casing policy

is to be adopted i.e. kick off to landing point in the case of

horizontal wells and kick of to zone top in case of High Angle wells.

Of the high angle wells, about 50% of wells are likely to have a

single casing policy i.e. 7 casing and remaining 50 % shall have 7

liner with 5 1/2X5 combination casing. The rigs are to be

equipped with solids control equipment such as linear motion shale

shakers, de-sander and linear motion mud cleaner. The proposed

mud programme is placed at table no 7

c) :

Professional/technical expert has to plan, provide slurry designs,

supervise and execute all primary and secondary cementation

operations ( and auxiliary operations) required for completion of

wells, with their own equipment, materials, chemicals, additives,special mechanical aids, pre job simulation etc.


6/15

Only Class G cement will be provided by ONGC

d)

Professional/technical expert has to plan and execute the logging

and peroration services with their own logging unit , tools,

manpower , equipment and materials. Storing facilities for Explosive

may be provided by ONGC if requested. Proposed logging

programme is placed at table 8

e)

Professional/technical expert has to plan and execute the wellcompletion services with their own manpower, equipment and

required material including handling tools. The entire completion

work would entail completion design, provision of down hole

equipment including production tubing (2 7/8), surface equipments

including choke manifold, separator and chikson and swivels , well

completion fluids, etc. Technical expertise for execution of job

including services like slick lines (manpower and material),

stimulation expertise and flow measurement services to be provided

by the bidder. Prepack sand screen will be required to complete

the wells prone to sand production specially in wells of Rudrasagar

field

In case of any complication, professional/technical expert has to

provide services for fishing with their own manpower, equipment

and material, if required. Professional/technical expert will also

provide any other services, manpower and equipment including

specialized tubular like HWDPs etc. required for successful

completion of the well.


7/15

a. High angle wells to be completed with 7 production casing

while the 6 horizontal drain holes are to be completed with

5 slotted liners.

b. Wells in Rudrasagar field would need sand control measures

(Prepack Sand screen).

c. General stratigraphy of Lakwa-Lakhmani, Rudrasagar and

Geleki fields are placed in Annexure (Table-1, Table-3 and

Table-5)

d. Clay Mineralogical Composition of Lakwa-Lakhmani,

Rudrasagar and Geleki are placed in Annexure (Table-2,

Table-4 and Table-6)

e. Typical well profile for both high angle / horizontal wells for

each field are annexed( Figs 1 to 6 )

f. Materials like 7 casing, well heads, X-Mas tree are to be

provided by bidders.

g. All sizes of Drill pipe ( including 2 3/8 for 5 liner) and drill

collar to be provided by the bidders.

h. All floating equipments to be provided by bidders.

6. :

The Professional/technical expert should be of international repute

having experience in directional drilling and completion high angle

and horizontal wells.

The professional/technical expert should also have the experience

in handling similar type of projects.


8/15

Table - 2

General Stratigraphy Pressure TemperatureCorrelation (Lakwa Lakhmani)

OIL

3150 MTS - 6 270 92 OIL

MAY BEGAS

2300 M TS - 2 230 76 OIL

2500 MTS - 3,4,5 240 82

1400 M UPPER

SANDSTONE 140 58.51600 M

GIRUJAN CLAY 200 66.5

1000 M NAMSANG

CLAY140 52.5

ALLUVIUM 38.5

LITHOLOGYPRESSURE

Kg/Cm2TEMP(C)

EXPT.

OIL/GAS

** Above may vary from well to well** Above may vary from well to well

General Stratigraphy Pressure TemperatureCorrelation (Lakwa Lakhmani)

OIL

3150 MTS - 6 270 92 OIL

MAY BEGAS

2300 M TS - 2 230 76 OIL

2500 MTS - 3,4,5 240 82

1400 M UPPER

SANDSTONE 140 58.51600 M

GIRUJAN CLAY 200 66.5

1000 M NAMSANG

CLAY140 52.5

ALLUVIUM 38.5

LITHOLOGYPRESSURE

Kg/Cm2TEMP(C)

EXPT.

OIL/GAS


BMS

BCS

LCM + TS-4

TIPAM

GIRUJAN CLAY

UPPER SAND

STONE

NAMSANG

ALLUVIUM &

OLDER ALLUVIUM

BMS

BCS

LCM + TS-4

TIPAM

GIRUJAN CLAY

UPPER SAND

STONE

NAMSANG

ALLUVIUM &

OLDER ALLUVIUM

295295 80

75

64

53

52

48

38

80

75

64

53

52

48

38

OIL

May be

gas

-

-

-

-

-

OIL

May be

gas

-

-

-

-

-925925

13751375

LITHOLOGYLITHOLOGYPRESSURE

Kg/cm2

PRESSURE

Kg/cm2

TEMP

( 0C )

TEMP

( 0C )

19201920

EXP. OIL /

GAS

EXP. OIL /

GAS

General Stratigraphy Pressure Temperature

Correlation (Rudrasagar)


19701970

23922392

27892789

29802980

Sl No Format ion pay

Sand

W ell Stud iedCo re No /Intervals

m ts

Clay mineral comp ostion in

o f abundance

1 T S-1 Lakwa#231 C C -1(2440 .23-24 .Montmori l loni te>Kaol in i te>Il l

wi th traces o f Ch lor ite

2 T S-2 Lakwa#231 C C -3(2526 .37-25 .Montmori l loni te>Kaol in i te>Il l

wi th traces o f Ch lor ite

3 T S-3 Lakwa#413 S W C(2582-2635)Montmori l loni te>Il l i te>Chlor i

wi th M ontm ori lloni te

4 T S-4 L ak wa #1 31 C C -1 (2 96 0.4 0-2 9 .Montmori l loni te>Kaol in i te>Il l

with Chlorite in traces

5 T S-5 Lakwa#162 S W C(3048 .36-30 .Kolinite>Il l i te

6 T S-6 Lakwa#413 S W C 3112 Illite>C hlo rite

7 B ara il La kw a# 40 0 C uttin gs (4 07 5-4 11 0)Kaol in i te>Chlor i te

8 K op ili La kw a# 40 0 C uttin gs (4 34 5-4 61 0)Il l i te>Chlorite>Kaolinite

Clay Mineralogical Composit ion in Wells of Lakwa-Lakhm ani Fie l


9/15

Table - 3

Table - 4

Table - 5

Sl No Format ion pay

Sand

W ell Stud iedC ore N o/Interv als i

m ts

Clay m ineral comp ost ion in o

of abundance

1 N azira S .S t PD A B SW C -2353Il l i te>Kaol ini te>Montmori l loni

with C hlori te

2 G iru jan PD AB SW C -2697 .5 M ontm orillon ite>K aolin ite>Illi

3 Lakwa S .S t PD A B SW C -2898Il l i te>Kaol ini te>Chlori te>Mon

llonite

4 B ara il R DS#80 C C-1(3335 -3360) K ao lon ite>Illite

5 K op ili D KH #3 C C-11(345 4-3456)K aolon ite>Illite

Clay Mineralogical Com position in W ells of Rudrasag ar Field

PRESSUREKg/cm2

ALLUVIUM 38.5

NAMSANG

CLAY140 52.5

UPPER

SANDSTONE140 58.5

GIRUJAN

CLAY200 66.5

TS-1 200-220 70 OIL

TS-2 140-160 70-75 OILTS-3 210-220 74 OIL

TS-4 160-180 75 OIL

TS-5 180-200 78 OIL

TS-6 270-300 79 OIL

BCS 250-300 80 OIL

BMS 240-260 85 OIL

540 m

1120 m

1620 m

2325 m

2340 m

2375 m2820 m

3350 m

3200 m

3500 m

3700 m

4000 m

LITHOLOGY TEMP (oC) EXPT.OIL/GAS

General Stratigraphy- Pressure Temperature

Correlation (Geleki)

PRESSUREKg/cm2

ALLUVIUM 38.5

NAMSANG

CLAY140 52.5

UPPER

SANDSTONE140 58.5

GIRUJAN

CLAY200 66.5

TS-1 200-220 70 OIL

TS-2 140-160 70-75 OILTS-3 210-220 74 OIL

TS-4 160-180 75 OIL

TS-5 180-200 78 OIL

TS-6 270-300 79 OIL

BCS 250-300 80 OIL

BMS 240-260 85 OIL

540 m

1120 m

1620 m

2325 m

2340 m

2375 m2820 m

3350 m

3200 m

3500 m

3700 m

4000 m

LITHOLOGY TEMP (oC)

ALLUVIUM 38.5

NAMSANG

CLAY140 52.5

UPPER

SANDSTONE140 58.5

GIRUJAN

CLAY200 66.5

TS-1 200-220 70 OIL

TS-2 140-160 70-75 OILTS-3 210-220 74 OIL

TS-4 160-180 75 OIL

TS-5 180-200 78 OIL

TS-6 270-300 79 OIL

BCS 250-300 80 OIL

BMS 240-260 85 OIL

540 m

1120 m

1620 m

2325 m

2340 m

2375 m2820 m

3350 m

3200 m

3500 m

3700 m

4000 m

LITHOLOGY TEMP (oC) EXPT.OIL/GAS

General Stratigraphy- Pressure Temperature

Correlation (Geleki)


10/15

Table - 6

Table - 7

Proposed Mud System

S.No

Holesize

Interval Type of Mudsystem

Remarks

1 8 Kick off point toPay zone top /TD

KCL PHPA XC CP Glycol or anyother suitableformation friendlynon damagingmud system

Specialized mud

2 6 Pay zone top toTarget depth

Clay Free NonDamaging drillingfluid (NDDF )

Specialized mud

Table - 8

Proposed Logging Program

S.No Holedia

Section Log type

1. 8 hole Landing hole

7 liner

- TLC logs

-Angle-Azimuth

Sl No Formation pay

Sand

Well Studied Core No/Intervals in

mts

Clay mineral compostion in order

of abundance

1 TS-1 Geleki#16 I(2450.3-2456.3) Montmorillonite>Illite>Kaolinite

2 TS-2 Geleki# 247 1(2635-2644) Montmorillonite>Illite>Kaolinite

3 TS-3 Geleki# 76 1(2543.49-2552.54) Montmorillonite>Kaolinite>Illite

4 TS-4 Geleki# 47 1(2816.16-2821.16) Kaolinite>Montmorillonite>Illite

5 TS-5A Geleki# 154 1(2821-2830) Montmorillonite>Kaolinite>Illite

6 TS-5B Geleki# 44 1(2876-2889) Montmorillonite>Kaolinite>Illite

7 TS-6 Geleki# 62 1(2921.43-2936.43) Montmorillonite>Kaolinite>Illite

8 Barail Geleki# 201 1(3754-3768) Kaolinite>Illite>Chlorite

9 Kopili Geleki# 174 1(4299.5-4308.5) Kaolinite>Illite>Chlorite

Clay Mineralogical Composition in Wells of Geleki Field


11/15

-Gamma Ray-Resitivity-Neutron-Density Caliper-CBL - VDL

2 6hole Drain hole - TLC logs-Angle-Azimuth-Gamma Ray-Resitivity-Neutron-Density Caliper

3 Perforation Perforation by TCP

Figure-1

1 9 0 0

2 0 0 0

2 1 0 0

2 2 0 0

2 3 0 0

2 4 0 0

0 1 0 0 2 0 0 3 0 0 4 0 0 5 0 0 6 0 0

T V

TVD

PROFILE AND LIKELY CASING POLICY OF A TYPICAL

HORIZONTAL WELL TO BE SIDE TRACKED IN LAKWA FIELD

2708-5 " Slotted liner

-19135 1/2" cement raise

-2562.165 1/2" Casing shoe

2508-7" Shoe

704.48704.489 5/8" Shoe

80-Azimuth

90-Max Inclination

316.4-Hor. Drift

5.35-DLS

2004-KOP

DVType of well

NEWOLDWELL DETAILS

G

I

R

U

J

A

NC

L

A

Y

TS-2

7CSGSH

OE

DLS 5.35/30M

Figure-2


12/15

2700

2800

2900

3000

3100

3200

3300

0 100 200 300 400 500HD

TVD

PROFILE AND LIKELY CASING POLICY OF A TYPICAL HIGH

ANGLE WELL TO BE SIDE TRACKED IN LAKWA FIELD

7 CSG SHOE

DLS 4.25/30M

TS-4,5

TS-6

-26105 1/2" cement raise

-33675 1/2" Casing shoe

3200-7" Shoe

1001.071001.079 5/8" Shoe

200-Azimuth

75-Max Inclination

401-Hor. Drift

4.25-DLS

2782-KOP

DVType of well

NEWOLDWELL DETAILS

Figure-3

TS-4

TS-5

&

TS-6

BCS

BMS

R-3 OPTION-2

2400

2500

2600

2700

2800

2900

3000

3100

3410 M-

6" SECTION (PRE

PACKED SAND

SCREEN

-2215 M5 3/4" CEMENT RAISE

-3206 M5 3/4" SHOE

3310 M-7" Shoe

796.9 M796.9

M9 5/8" Shoe

271-Azimuth

90-Max Inclination

580 M-Hor. Drift

3/30 M-DLS

2402.1M-KOP

DVType of well

NEWOLDWELL DETAILS

PROFILE AND LIKELY CASING POLICY OF A TYPICAL

HORIZONTAL WELL TO BE SIDE TRACKED IN RDS FIELD

DLS 3/30M

7 CSG SHOE

TVS0 100 200 300 400 500 600 700 800

Figure-4


13/15

2600

2700

2800

2900

3000

3100

0 100 200 300 400TVS

TVD


ANGLE WELL TO BE SIDE TRACKED IN RDS FIELD

3146.1 M-7" Shoe

-25005 3/4" Cement Rise

-32335 3/4" Shoe

700.3 M7039 5/8" Shoe

279Azimuth

70Max Inclination

303 MHor. Drift

4.58/30 MDLS

2627.6 MKOP

DVType of well

NEWOLDWELL DETAILS

BCS

TS-5

&

TS-6

BMS

7 CSG SHOE

DLS 4.58/30M

Figure-5

TS-2

TS-3&

TS-4

GIRU

JAN

TS-5

7 CSG SHOE

2300

2400

2500

2600

2700

2800

0 1 00 2 00 300 400 500 6 00 7 00 800

T V S

TVD

-2650 M5 1/2" CEMENT

RAISE

-3085.5

8 M5 1/2" SHOE

2918.7

M-7" Shoe

1230.5

M

1230.5

M9 5/8" Shoe

210-Azimuth

70-Max Inclination

641 M-Hor. Drift

4.58/3

0 M-DLS

2402.6

M-KOP

DVType of well

NEWOLDWELL DETAILS

7 Shoe

DLS

4.58/30 m


ANGLE WELL TO BE SIDE TRACKED IN GELEKI FIELD


14/15

Figure-6


ANGLE WELL TO BE SIDE TRACKED GELEKI FIELD

BCS

TS-6

BMS

7 CSG SHOE

DLS 4.58/30M

3500

3550

3600

3650

3700

3750

3800

3850

0 100 200 300 400 500 600 700 800TVS

TV

-3650

M

5 1/2" CEMENT

RAISE

3951 M4190

M5 1/2" SHOE

3860 M-7" Shoe

3506 M3506

M9 5/8" Shoe

275.05-Azimuth

70-Max Inclination

502.3 M-Hor. Drift

6.24/30

M-DLS

3526 M-KOP

DVType of well

NEWOLDWELL DETAILS

7 Shoe

DLS

6.24/30 m

5 csg SHOE


15/15

SCHEDULE OF EOI

Venue: Hotel Taj Bengal, Kolkata

Date:

Time Event

10.00 to 11.00 Hours Registration11.00 to 11.30 Hours Presentations by ONGC

11.45 to 14.30 Hours Presentations by prospective bidders and

discussion on sidetrack of 50 wells on

Integrated Well completion Basis in

Assam Asset.

14.00 to 14.30 Hours Working Lunch

14.30 to 17.00 Hours Presentations and discussion on sidetrack

of 50 wells on Integrated Well

completion Basis in Assam Asset.

Documents

Eoi for 50 Side Track05314143919