| 1 |
Kca Deutag Drilling LIMITED
|
Iraq
|
Basra
|
Artawi Road
|
North Rumalia
|
Al Basrah
|
N/A
|
N/A
|
2011
|
$98,122,169,273
|
92
|
Foreign company
|
80
|
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
|
$75,327,000,000
|
2163
|
Corporation
|
5122
|
AHU-AH.01.09-030
|
********@*****.***
|
+6*****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 |
Timor Gap, E.P
|
Easttimor
|
Dili
|
3rd Floor
|
Rua Presidente Nicolau Lobato, Comoro
|
Dili
|
N/A
|
N/A
|
2011
|
$48,025,000,000
|
135
|
|
N/A
|
N/A
|
***********@*******.***
|
+6*****53
|
01077122485
|
| 5 |
Schlumberger LIMITED
|
USA
|
Houston
|
5599 San Felipe St Fl 17
|
N/A
|
Harris
|
77056
|
slb.*****
|
1926
|
$36,289,000,000
|
110000
|
Corporation
|
1708
|
N/A
|
*********@********.***
|
+1*****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
|
**********@********.***
|
+6*****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
|
216
|
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
|
57
|
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
|
*****@***.***
|
+5*****45
|
0927351212
|
| 10 |
Patterson-Uti Energy, INC.
|
USA
|
Houston
|
10713 W Sam Houston Pkwy N Ste 800
|
N/A
|
Harris
|
77064
|
patenergy.*****
|
1978
|
$5,377,911,000
|
9200
|
Corporation
|
262
|
2355146
|
************@******.***
|
+1*****00
|
0200000609
|
| 11 |
Cnpc Chuanqing Drilling Engineering CO., LTD.
|
China
|
Chengdu
|
No.6 Mangchouwan Street, Chenghua District
|
N/A
|
Sichuan
|
610051
|
N/A
|
2008
|
$4,951,876,535
|
18985
|
Corporation
|
29721
|
510000619570616
|
*******@*****.***
|
|
0640287829
|
| 12 |
Nabors Industries, INC.
|
USA
|
Houston
|
515 W Greens Rd Ste 1200
|
N/A
|
Harris
|
77067
|
nabors.*****
|
1978
|
$4,585,433,359
|
16847
|
Corporation
|
264
|
853632
|
***********@******.***
|
+1*****35
|
0189985462
|
| 13 |
Antero Resources CORPORATION
|
USA
|
Denver
|
1615 Wynkoop St
|
N/A
|
Denver
|
80202
|
anteroresources.*****
|
2002
|
$4,325,596,000
|
616
|
Corporation
|
12
|
4520810
|
************@***.***
|
+1*****10
|
0942114123
|
| 14 |
Easternwell Group Assets PTY LTD
|
Australia
|
Groper Creek
|
8-10 Russell Street
|
N/A
|
Queensland
|
4350
|
easternwell.*****
|
2007
|
$4,079,136,009
|
15639
|
Corporation
|
126
|
126227932
|
************@***.***
|
+6*****55
|
0867336636
|
| 15 |
Easternwell Group Operations PTY LTD
|
Australia
|
Groper Creek
|
8-10 Russell Street
|
N/A
|
Queensland
|
4350
|
easternwell.*****
|
2007
|
$4,079,136,009
|
15639
|
Corporation
|
126
|
128179313
|
***********@******.***
|
+6*****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
|
Corporation
|
2876
|
CN-2688881
|
******@******.***
|
+9*****00
|
0742538865
|
| 17 |
Pdc Energy, INC.
|
USA
|
Denver
|
1099 18th St Ste 1500
|
N/A
|
Denver
|
80202
|
pdce.*****
|
2023
|
$3,845,733,000
|
520
|
Corporation
|
1586
|
5760896
|
*********@******.***
|
+1*****00
|
0166811500
|
| 18 |
Arc Resources LTD
|
Canada
|
Calgary
|
1500 308-4 Ave Sw
|
N/A
|
Alberta
|
T2P 0H7
|
arcresources.*****
|
1996
|
$3,634,730,368
|
464
|
Corporation
|
22
|
N/A
|
********@*****.***
|
+1*****00
|
0364986813
|
| 19 |
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
|
$2,950,259,441
|
11311
|
Corporation
|
29721
|
610131100005419
|
************@********.***
|
+8*****81
|
0640674034
|
| 20 |
Helmerich & Payne, INC.
|
USA
|
Tulsa
|
222 N Detroit Ave
|
N/A
|
Tulsa
|
74103
|
hpinc.*****
|
1920
|
$2,756,607,000
|
6200
|
Corporation
|
52
|
0388801
|
*********@********.***
|
+1*****31
|
0118334211
|
| 21 |
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
|
151
|
Corporation
|
216
|
110000015474874
|
************@*****.***
|
+8*****99
|
0660434958
|
| 22 |
Sinopec Oilfield Service Shengli CORPORATION
|
China
|
Dongying
|
No.125, Jinan Rd., Dongying District
|
N/A
|
Shandong
|
257051
|
N/A
|
2012
|
$2,338,035,031
|
15109
|
Corporation
|
216
|
370500000001512
|
*****@****.***
|
+8*****13
|
0654123790
|
| 23 |
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.*****
|
1980
|
$2,249,337,000
|
3365
|
Corporation
|
101
|
AHU-0035936.AH.0
|
*****@***.***
|
+6*****00
|
0839878413
|
| 24 |
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
|
**********@********.***
|
+2*****18
|
0961653938
|
| 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.*****
|
2005
|
$1,732,808,000
|
160
|
Corporation
|
5122
|
AHU-AH.01.09-011
|
*********@***.***
|
+6*****00
|
0837982759
|
| 26 |
Expro Group Holdings N.V.
|
USA
|
Houston
|
1311 Broadfield Blvd Ste 400
|
N/A
|
Harris
|
77084
|
expro.*****
|
1938
|
$1,712,802,000
|
8500
|
Corporation
|
53
|
N/A
|
******@***.***
|
+1*****76
|
0230115000
|
| 27 |
Ces Energy Solutions CORP
|
Canada
|
Calgary
|
1400-332 6 Ave Sw
|
N/A
|
Alberta
|
T2P 0B2
|
canadianenergyservices.*****
|
1986
|
$1,575,043,227
|
2123
|
Corporation
|
46
|
N/A
|
************@********.***
|
+1*****00
|
0354235491
|
| 28 |
Ensign Drilling INC
|
Canada
|
Calgary
|
1000-400 5 Ave Sw
|
N/A
|
Alberta
|
T2P 0L6
|
ensignenergy.*****
|
1980
|
$1,364,927,500
|
2500
|
Corporation
|
48
|
N/A
|
*******@********.***
|
+1*****61
|
0359187501
|
| 29 |
Precision Drilling CORPORATION
|
Canada
|
Calgary
|
525 8 Ave Sw Suite 800
|
N/A
|
Alberta
|
T2P 1G1
|
precisiondrilling.*****
|
1951
|
$1,356,040,273
|
4337
|
Corporation
|
58
|
N/A
|
**********@******.***
|
+1*****00
|
0311886752
|
| 30 |
Ensign Energy Services INC
|
Canada
|
Calgary
|
1000-400 5 Ave Sw
|
N/A
|
Alberta
|
T2P 0L6
|
ensignenergy.*****
|
1987
|
$1,304,411,751
|
4772
|
Corporation
|
48
|
N/A
|
*****@******.***
|
+1*****61
|
0358445315
|
| 31 |
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
|
330
|
94475850
|
******@***.***
|
+7*****59
|
0676733710
|
| 32 |
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
|
**********@*******.***
|
+7*****07
|
0676730276
|
| 33 |
Ranger Oil LLC
|
USA
|
Houston
|
16285 Park Ten Pl Ste 500
|
N/A
|
Harris
|
77084
|
rangeroil.*****
|
2023
|
$1,145,189,000
|
87
|
Corporation
|
69
|
00169714
|
******@***.***
|
+1*****00
|
0119026204
|
| 34 |
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
|
************@*****.***
|
+1*****14
|
0367932097
|
| 35 |
Egyptian Drilling Company Sae
|
Egypt
|
Cairo
|
Km 17.5, Cairo-suez Desert Road
|
N/A
|
Cairo
|
11371
|
egyptian-drilling.*****
|
2017
|
$1,111,570,000
|
5000
|
Corporation
|
973
|
178136
|
*******@*******.***
|
+2*****22
|
0478239885
|
| 36 |
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.*****
|
1982
|
$1,072,995,464
|
745
|
Corporation
|
449
|
30592665472
|
******@*****.***
|
+5*****00
|
01081685600
|
| 37 |
Diamond Offshore Drilling INC
|
USA
|
Houston
|
15415 Katy Fwy Ste 100
|
N/A
|
Harris
|
77094
|
diamondoffshore.*****
|
2024
|
$1,056,179,000
|
2140
|
Corporation
|
92
|
2193202
|
************@******.***
|
+1*****00
|
0723881507
|
| 38 |
Nabors Drilling Canada LIMITED
|
Canada
|
Calgary
|
2800-500 4 Ave Sw
|
N/A
|
Alberta
|
T2P 2V6
|
nabors.*****
|
1951
|
$1,022,603,683
|
1873
|
Corporation
|
12
|
N/A
|
*******@****.***
|
+1*****77
|
0354679458
|
| 39 |
PT. Pertamina Hulu Energi
|
Indonesia
|
Pasar Minggu
|
Pertamina Hulu Energy (phe) Tower
|
Jl. T.b. Simatupang Kav. 99
|
Special Capital Region of Jakarta
|
12520
|
phe.*****
|
2007
|
$1,019,554,137
|
160
|
Corporation
|
5122
|
AHU-AH.01.09-017
|
***********@******.***
|
+6*****00
|
0840012749
|
| 40 |
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
|
109
|
009203463
|
***********@***.***
|
+6*****00
|
0855503957
|
| 41 |
Saipem Australia PTY LTD
|
Australia
|
Perth
|
1101 Hay St
|
N/A
|
Western Australia
|
6005
|
saipem.*****
|
1966
|
$980,895,660
|
103
|
Corporation
|
148
|
000544507
|
***********@********.***
|
+6*****99
|
0861710100
|
| 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
|
1311
|
201715210251
|
**********@***.***
|
+1*****00
|
0726268736
|
| 43 |
Arabian Drilling Company
|
Saudiarabia
|
Al Khobar
|
Prince Sultan Road, al Jawharah Area
|
N/A
|
Eastern Region
|
31952
|
arabdrill.*****
|
2002
|
$927,070,713
|
6143
|
Corporation
|
2
|
2051026089
|
***********@******.***
|
+9*****20
|
0668800873
|
| 44 |
Trinidad Drilling LTD
|
Canada
|
Calgary
|
400 5th Ave Suite 1000
|
N/A
|
Alberta
|
T2P 0L6
|
ensignenergy.*****
|
2008
|
$873,007,629
|
1599
|
Corporation
|
48
|
N/A
|
********@********.***
|
+1*****61
|
0365001640
|
| 45 |
Chevron Thailand Exploration And Production LIMITED
|
Thailand
|
Chatuchak
|
19 Ratchadaphisek Road
|
N/A
|
Bangkok
|
10900
|
chevronthailand.*****
|
N/A
|
$857,528,017
|
44
|
|
1586
|
0100536023947
|
************@*******.***
|
+6*****55
|
0770800404
|
| 46 |
Jiangsu Geological Foundation Pile Engineering CO., LTD
|
China
|
Zhenjiang
|
No.64, Zhongshan E. Road, Jingkou District
|
N/A
|
Jiangsu
|
212002
|
N/A
|
1987
|
$805,706,959
|
3089
|
Corporation
|
120
|
320000000000221
|
******@****.***
|
+8*****02
|
0658411240
|
| 47 |
Shandong Senhe Construction Engineering Co.,ltd.
|
China
|
Dezhou
|
North of Zhangdazhuang Village, Linpan Town, Linyi County
|
N/A
|
Shandong
|
251508
|
N/A
|
1989
|
$805,706,959
|
87
|
Corporation
|
12
|
371424018002176
|
************@***.***
|
+8*****69
|
0641322639
|
| 48 |
Karamay Boda Industry And Trade Co.,ltd.
|
China
|
Karamay
|
No.83, Shengli Road, Kelamayi District
|
N/A
|
Xinjiang
|
834000
|
N/A
|
2003
|
$805,706,959
|
3089
|
Corporation
|
13
|
650200030000522
|
********@******.***
|
+8*****17
|
0659081553
|
| 49 |
PT. Usaha Yaktapena
|
Indonesia
|
Matraman
|
Pertamina Building 8th Floor
|
87 Jl. Matraman Raya, Rt. 001/ 05
|
Special Capital Region of Jakarta
|
13140
|
N/A
|
1979
|
$805,706,959
|
3089
|
Corporation
|
5122
|
AHU-87348.AH.01.
|
***********@********.***
|
+6*****88
|
0839966747
|
| 50 |
PT. Mi Indonesia
|
Indonesia
|
Mampang Prapatan
|
Wisma Mulia 46th Floor
|
Jl. Gatot Subroto No. 42
|
Special Capital Region of Jakarta
|
12710
|
N/A
|
1972
|
$805,706,959
|
3089
|
Corporation
|
1708
|
AHU-AH.01.09-009
|
***********@*****.***
|
+6*****00
|
0839871376
|