1 |
Kca Deutag Enterprises LIMITED Iraqi Branch
|
Iraq
|
Basra
|
Artawi Road
|
North Rumalia
|
N/A
|
N/A
|
N/A
|
2011
|
$98,122,169,273
|
107
|
Foreign company
|
N/A
|
2996
|
*****@********.***
|
|
0670754973
|
2 |
PT. Pertamina (persero)
|
Indonesia
|
Dki Jakarta
|
Grha Pertamina
|
Jl. Medan Merdeka Timur No. 11-13
|
Special Capital Region of Jakarta
|
10110
|
N/A
|
1957
|
$75,788,000,000
|
2163
|
Corporation
|
5122
|
AHU-AH.01.09.010
|
**********@****.***
|
02*****07
|
0839979513
|
3 |
SPA Sonatrach
|
Algeria
|
Hydra
|
Djenane el Malik
|
N/A
|
Wilaya D'Alger
|
16035
|
N/A
|
1963
|
$53,694,702,000
|
65991
|
Corporation
|
176
|
00B0013767
|
******@******.***
|
|
0754838320
|
4 |
Azerbaycan Respublikasinin Dovlet Neft Sirketi
|
Azerbaijan
|
Baku
|
121 Heydar Aliev Ave.
|
N/A
|
Baku City
|
AZ1029
|
N/A
|
1992
|
$50,119,147,446
|
48320
|
Corporation
|
241
|
9900003871
|
************@***.***
|
01*****74
|
0756140105
|
5 |
Schlumberger LIMITED
|
USA
|
Houston
|
5599 San Felipe St Fl 17
|
N/A
|
Harris
|
77056
|
slb.com
|
1926
|
$36,289,000,000
|
110000
|
Corporation
|
1264
|
N/A
|
******@********.***
|
71*****00
|
0112965657
|
6 |
PT. Kilang Pertamina Internasional
|
Indonesia
|
Dki Jakarta
|
Pertamina Main Building 14th Floor
|
Jl. Medan Merdeka Timur 1 A
|
Special Capital Region of Jakarta
|
10110
|
N/A
|
2017
|
$31,741,104,000
|
6200
|
Corporation
|
5122
|
AHU-AH.01.09-010
|
******@***.***
|
02*****11
|
0771127243
|
7 |
Sinopec Oilfield Service CORPORATION
|
Hongkong
|
Central
|
26/f Jardine Hse
|
N/A
|
Central & Western District
|
N/A
|
N/A
|
1994
|
$11,192,651,199
|
44
|
Corporation
|
40400
|
17988673
|
******@********.***
|
|
0773736718
|
8 |
China Oilfield Services LIMITED (unofficial Translation)
|
Hongkong
|
Central
|
65/f Bank of China Twr
|
N/A
|
Central & Western District
|
N/A
|
N/A
|
2002
|
$6,666,439,305
|
44
|
Corporation
|
58
|
33038591
|
************@***.***
|
|
0775579098
|
9 |
Halliburton Guyana, INC.
|
Guyana
|
Georgetown
|
103 Carmichael Street
|
North Cummingsburg
|
N/A
|
N/A
|
N/A
|
2015
|
$6,605,717,184
|
57024
|
Corporation
|
N/A
|
8150
|
*******@***.***
|
60*****45
|
0927351212
|
10 |
Patterson-Uti Energy, INC.
|
USA
|
Houston
|
10713 W Sam Houston Pkwy N Ste 800
|
N/A
|
Harris
|
77064
|
patenergy.com
|
1978
|
$5,377,911,000
|
9200
|
Corporation
|
251
|
2355146
|
***********@*****.***
|
28*****00
|
0200000609
|
11 |
Arc Resources LTD
|
Canada
|
Calgary
|
1500 308-4 Ave Sw
|
N/A
|
Alberta
|
T2P 0H7
|
arcresources.com
|
1996
|
$4,631,482,286
|
464
|
Corporation
|
22
|
N/A
|
***********@*****.***
|
40*****00
|
0364986813
|
12 |
Nabors Industries, INC.
|
USA
|
Houston
|
515 W Greens Rd Ste 1200
|
N/A
|
Harris
|
77067
|
nabors.com
|
1978
|
$4,585,433,359
|
16847
|
Corporation
|
227
|
853632
|
*********@***.***
|
28*****35
|
0189985462
|
13 |
Antero Resources CORPORATION
|
USA
|
Denver
|
1615 Wynkoop St
|
N/A
|
Denver
|
80202
|
anteroresources.com
|
2002
|
$4,325,596,000
|
616
|
Corporation
|
11
|
4520810
|
******@*******.***
|
30*****10
|
0942114123
|
14 |
Easternwell Group Assets PTY LTD
|
Australia
|
Groper Creek
|
8-10 Russell Street
|
N/A
|
Queensland
|
4350
|
easternwell.com.au
|
2007
|
$4,079,136,009
|
15639
|
Corporation
|
122
|
126227932
|
**********@*****.***
|
07*****55
|
0867336636
|
15 |
Easternwell Group Operations PTY LTD
|
Australia
|
Groper Creek
|
8-10 Russell Street
|
N/A
|
Queensland
|
4350
|
easternwell.com.au
|
2007
|
$4,079,136,009
|
15639
|
Corporation
|
122
|
128179313
|
*********@********.***
|
07*****55
|
0868086355
|
16 |
Adnoc Drilling Company P.J.S.C.
|
United Arab Emirates
|
Abu Dhabi
|
Skec 2, Zone 1 - E-17
|
N/A
|
Abu Dhabi
|
N/A
|
N/A
|
2019
|
$4,034,222,000
|
6000
|
Joint venture
|
2706
|
CN-2688881
|
******@******.***
|
02*****00
|
0742538865
|
17 |
Pdc Energy, INC.
|
USA
|
Denver
|
1099 18th St Ste 1500
|
N/A
|
Denver
|
80202
|
pdce.com
|
2023
|
$3,845,733,000
|
520
|
Corporation
|
1576
|
5760896
|
*********@****.***
|
30*****00
|
0166811500
|
18 |
China National Logging CORPORATION
|
China
|
Xi'An
|
No.50 Zhangba 5th Road, Jinye 2nd Road, High-tech Development Di
|
N/A
|
Shaanxi
|
710077
|
N/A
|
2002
|
$2,869,141,000
|
11000
|
Corporation
|
30997
|
610131100005419
|
**********@******.***
|
01*****81
|
0640674034
|
19 |
Helmerich & Payne, INC.
|
USA
|
Tulsa
|
222 N Detroit Ave
|
N/A
|
Tulsa
|
74103
|
hpinc.com
|
1920
|
$2,756,607,000
|
6200
|
Corporation
|
50
|
0388801
|
***********@****.***
|
91*****31
|
0118334211
|
20 |
Sinopec Petroleum Engineering & Construction CORPORATION
|
China
|
Beijing
|
Floor No.11, Building No.4, No. A6, Huixin E. Street, Chaoyang D
|
N/A
|
Beijing
|
100099
|
N/A
|
2012
|
$2,475,377,680
|
3089
|
Corporation
|
40595
|
110000015474874
|
*****@****.***
|
01*****99
|
0660434958
|
21 |
Sinopec Oilfield Service Shengli CORPORATION
|
China
|
Dongying
|
No.125, Jinan Rd., Dongying District
|
N/A
|
Shandong
|
257051
|
N/A
|
2012
|
$2,338,035,031
|
20285
|
Corporation
|
40595
|
370500000001512
|
*********@*****.***
|
05*****13
|
0654123790
|
22 |
PT. Medco Energi Internasional TBK
|
Indonesia
|
Kebayoran Baru
|
Scbd, the Energy Building 53rd Floor
|
Jl. Jenderal Sudirman Kav. 52-53
|
Special Capital Region of Jakarta
|
12190
|
medcoenergi.com
|
1980
|
$2,249,337,000
|
3365
|
Corporation
|
99
|
AHU-0035936.AH.0
|
******@*****.***
|
02*****00
|
0839878413
|
23 |
Midis Energy Services LIMITED
|
Nigeria
|
Port Harcourt
|
Plot 190/14b Senator George Sekibo Road
|
Trans-amadi
|
Rivers
|
N/A
|
N/A
|
2015
|
$2,131,906,524
|
105
|
Corporation
|
N/A
|
639040
|
***********@***.***
|
08*****18
|
0961653938
|
24 |
Clean Harbors Exploration Services LTD
|
Canada
|
Grimshaw
|
5301 57 Ave
|
N/A
|
Alberta
|
T0H 1W0
|
cleanharbors.com
|
2005
|
$2,018,037,000
|
3000
|
Corporation
|
N/A
|
N/A
|
*********@***.***
|
78*****30
|
0312323767
|
25 |
PT. Pertamina Ep Cepu
|
Indonesia
|
Setia Budi
|
Patra Jasa Office Tower 5th-8th & 13th-14th Floor
|
Jl. Gatot Subroto Kav. 32-34
|
Special Capital Region of Jakarta
|
12950
|
pepc-pertamina.com
|
2005
|
$1,732,808,000
|
160
|
Corporation
|
5122
|
AHU-AH.01.09-011
|
*******@*****.***
|
02*****00
|
0837982759
|
26 |
Expro Group Holdings N.V.
|
USA
|
Houston
|
1311 Broadfield Blvd Ste 400
|
N/A
|
Harris
|
77084
|
expro.com
|
1938
|
$1,712,802,000
|
8500
|
Corporation
|
130
|
N/A
|
*********@****.***
|
71*****76
|
0230115000
|
27 |
Oil And Gas Development Company LIMITED
|
Pakistan
|
Islamabad
|
Plot No. 3, F-6/g-6
|
Jinnah Avenue
|
Islamabad Capital Territory
|
45600
|
N/A
|
1997
|
$1,665,602,717
|
10386
|
Corporation
|
589
|
0038403
|
*****@***.***
|
51*****16
|
0756472754
|
28 |
Ces Energy Solutions CORP
|
Canada
|
Calgary
|
1400-332 6 Ave Sw
|
N/A
|
Alberta
|
T2P 0B2
|
canadianenergyservices.com
|
1986
|
$1,575,043,227
|
2123
|
Corporation
|
47
|
N/A
|
******@****.***
|
40*****00
|
0354235491
|
29 |
Ensign Drilling INC
|
Canada
|
Calgary
|
1000-400 5 Ave Sw
|
N/A
|
Alberta
|
T2P 0L6
|
ensignenergy.com
|
1980
|
$1,364,927,500
|
2500
|
Corporation
|
47
|
N/A
|
********@******.***
|
40*****61
|
0359187501
|
30 |
Precision Drilling CORPORATION
|
Canada
|
Calgary
|
525 8 Ave Sw Suite 800
|
N/A
|
Alberta
|
T2P 1G1
|
precisiondrilling.com
|
1951
|
$1,356,040,273
|
4337
|
Corporation
|
57
|
N/A
|
***********@***.***
|
40*****00
|
0311886752
|
31 |
Ensign Energy Services INC
|
Canada
|
Calgary
|
1000-400 5 Ave Sw
|
N/A
|
Alberta
|
T2P 0L6
|
ensignenergy.com
|
1987
|
$1,304,411,751
|
4772
|
Corporation
|
47
|
N/A
|
*********@******.***
|
40*****61
|
0358445315
|
32 |
Rn-Burenie, OOO
|
Russia
|
Moskva
|
D. 15 Str. 31 Etazh 4 Kom. 415, Ul. Malaya Kaluzhskaya
|
N/A
|
Moskva
|
119071
|
N/A
|
2006
|
$1,291,317,042
|
14395
|
Corporation
|
328
|
94475850
|
************@********.***
|
03*****59
|
0676733710
|
33 |
Bke, OOO
|
Russia
|
Moskva
|
D. 40 K. 2, Ul. Narodnogo Opolcheniya
|
N/A
|
Moskva
|
123298
|
N/A
|
1995
|
$1,260,644,659
|
5354
|
Corporation
|
13
|
39355854
|
******@****.***
|
04*****07
|
0676730276
|
34 |
Ranger Oil LLC
|
USA
|
Houston
|
16285 Park Ten Pl Ste 500
|
N/A
|
Harris
|
77084
|
pennvirginia.com
|
2023
|
$1,145,189,000
|
87
|
Corporation
|
69
|
00169714
|
*********@******.***
|
71*****00
|
0119026204
|
35 |
Frontera Energy CORPORATION
|
Canada
|
Calgary
|
1030 140 4 Ave Sw
|
N/A
|
Alberta
|
T2P 3N3
|
N/A
|
1996
|
$1,129,891,000
|
1376
|
Corporation
|
20
|
N/A
|
***********@********.***
|
40*****14
|
0367932097
|
36 |
Egyptian Drilling Company Sae
|
Egypt
|
Cairo
|
Km 17.5, Cairo-suez Desert Road
|
N/A
|
Cairo
|
11371
|
egyptian-drilling.com
|
2017
|
$1,111,570,000
|
5000
|
Joint venture
|
972
|
178136
|
******@********.***
|
02*****22
|
0478239885
|
37 |
Tecpetrol S.A.
|
Argentina
|
Cidade Autónoma de Buenos Aires
|
Ingeniero Carlos María della Paolera 297/99
|
Pisos 16, 19, 20, 21, 22 Y 23
|
Ciudad Autónoma de Buenos Aires
|
C1001ADA
|
tecpetrol.com
|
1982
|
$1,072,995,464
|
745
|
Corporation
|
448
|
30592665472
|
***********@*****.***
|
01*****00
|
01081685600
|
38 |
Diamond Offshore Drilling INC
|
USA
|
Houston
|
15415 Katy Fwy Ste 100
|
N/A
|
Harris
|
77094
|
diamondoffshore.com
|
2024
|
$1,056,179,000
|
2140
|
Corporation
|
90
|
2193202
|
*******@***.***
|
28*****00
|
0723881507
|
39 |
Nabors Drilling Canada LIMITED
|
Canada
|
Calgary
|
2800-500 4 Ave Sw
|
N/A
|
Alberta
|
T2P 2V6
|
naborscanada.com
|
1951
|
$1,022,603,683
|
1873
|
Corporation
|
12
|
N/A
|
********@***.***
|
40*****77
|
0354679458
|
40 |
PT. Pertamina Hulu Energi
|
Indonesia
|
Pasar Minggu
|
Pertamina Hulu Energy (phe) Tower
|
Jl. Tb Simatupang Kav. 99
|
Special Capital Region of Jakarta
|
12520
|
phe.pertamina.com
|
2007
|
$1,019,554,137
|
12800
|
Corporation
|
5122
|
AHU-AH.01.09-017
|
************@******.***
|
02*****00
|
0840012749
|
41 |
Agl Gas Storage PTY LTD
|
Australia
|
Sydney
|
L 24 200 George St
|
N/A
|
New South Wales
|
2000
|
N/A
|
1986
|
$1,003,416,857
|
3847
|
Corporation
|
107
|
009203463
|
************@*******.***
|
03*****00
|
0855503957
|
42 |
Baker Hughes Oilfield Operations LLC
|
USA
|
Houston
|
575 N Dairy Ashford Rd
|
N/A
|
Harris
|
77079
|
N/A
|
1992
|
$930,161,688
|
4923
|
Corporation
|
1305
|
201715210251
|
********@******.***
|
71*****00
|
0726268736
|
43 |
Arabian Drilling Company
|
Saudiarabia
|
Al Khobar
|
Prince Sultan Road, al Jawharah Area
|
N/A
|
Eastern Region
|
31952
|
arabdrill.com
|
2002
|
$927,070,713
|
6143
|
Corporation
|
2
|
2051026089
|
*******@********.***
|
01*****20
|
0668800873
|
44 |
Trinidad Drilling LTD
|
Canada
|
Calgary
|
400 5th Ave Suite 1000
|
N/A
|
Alberta
|
T2P 0L6
|
ensignenergy.com
|
1996
|
$873,007,629
|
1599
|
Corporation
|
47
|
N/A
|
*****@********.***
|
40*****61
|
0365001640
|
45 |
Chevron Thailand Exploration And Production LIMITED
|
Thailand
|
Chatuchak
|
19 Ratchadaphisek Road
|
N/A
|
Bangkok
|
10900
|
chevronthailand.com
|
N/A
|
$857,528,017
|
44
|
|
1576
|
0100536023947
|
********@****.***
|
02*****55
|
0770800404
|
46 |
Jiangsu Geological Foundation Engineering Company
|
China
|
Zhenjiang
|
No.64, Zhongshan E. Road, Jingkou District
|
N/A
|
Jiangsu
|
212002
|
N/A
|
1987
|
$805,706,959
|
3089
|
Corporation
|
127
|
320000000000221
|
*********@******.***
|
05*****02
|
0658411240
|
47 |
Shengli Oil Field Petroleum Development Center LTD.
|
China
|
Dongying
|
Room 207, Office Building 89, Liaocheng Road, Dongying District
|
N/A
|
Shandong
|
257064
|
N/A
|
2003
|
$805,706,959
|
3089
|
Corporation
|
40595
|
370500018046557
|
*****@*******.***
|
05*****29
|
0654517329
|
48 |
Cnpc Chuanqing Drilling Engineering CO., LTD.
|
China
|
Chengdu
|
No.6 Mangchouwan Street, Chenghua District
|
N/A
|
Sichuan
|
610051
|
N/A
|
2008
|
$805,706,959
|
25484
|
Corporation
|
30997
|
510000619570616
|
********@*****.***
|
|
0640287829
|
49 |
Karamay Xinkeao Petroleum Technological Co.,ltd.
|
China
|
Karamay
|
No.2, Zhunga'Er Rd., Karamay District
|
N/A
|
Xinjiang
|
834000
|
N/A
|
1998
|
$805,706,959
|
3089
|
Joint venture
|
11
|
650200030000418
|
********@*****.***
|
09*****30
|
0641221770
|
50 |
Changqing Industrial Group CO., LTD.
|
China
|
Xi'An
|
No.140, Weiyang Rd., Weiyang Dist.
|
N/A
|
Shaanxi
|
710016
|
N/A
|
1997
|
$805,706,959
|
3089
|
Corporation
|
30997
|
610132100003628
|
*********@********.***
|
02*****51
|
0641274319
|