| Career： | | Welcome to join us, please send your resume to the following E-mail address: | | E-mail：zhaopin@cosl.com.cn |
| | | Investor Relations contact： | | Phone：010-84521685/852-22132515 | | Fox：010-84521325/852-25259322 | | Email：cosl@cosl.com.cn |
| | | Headquarter Address： | | China Oilfield Services Limited: | | Address：P.O. BOX 232 , Beijing , China . 101149 | | Tel：8610-84522840 Fax：8610-84522131 | | E-mail：caixy@cosl.com.cn |
| | | Regional Address： | | COSL Drilling Pan-Pacific Ltd. | | Address：6 Temasek Boulevard Penthouse Level Suite 2 Suntec Tower Four Singapore 038986 | | Tel：0065-6491 2360 Fax：0065-6491 2361 | | E-mail：zhou.minghua@cosl.com.sg |
| COSL Drilling Europe AS | | Address：Vestre Svanholmen 4 , 4313 Sandnes . P .O . Box 34 , 4064 Stavanger , Norway | | Tel：0047-5195 0904 Fax：0047-5195 0901 | E-mail：magnar.fagerbakke@cosl.no
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| COSL Australia PTY Ltd. | | Address：Level 1,1 Preston Street , Como , WA 6152 , Australia | | Tel：0061-8-6436 1488 Fax：0061-8-6436 1481 | | E-mail：Yangjun2@cosl.com.cn |
| COSL MEXICO S. A . DE C . V . | | Address：Calle San Roman No . 100 Planta Baja Col . San Joaquin Cd . Del Carmen , Campeche , C . P 24190 | | Tel：0052-938 1181 287 Fax：0052-938 1181 288 EXT 30 | | E-mail：yaozk@cosl.mx |
| PT. COSL INDO | | Address：Prudential Tower , 21st Floor JI . Jend . Sudirman Kav . 79 ， Jakarta Selatan 12910 , Indonesia . | | Tel：0062-21-57932563 Fax：0062-21-57932562 | | E-mail：chen_zongjiang@cosl.co.id |
| Libya Office | | Address：West of International School Saraj District , Tripoli , Libya | | Tel：00218-21 487 0489 Fax：00218-21 487 0489 | | E-mail：maopf@cosl.com.cn |
| COSSABVI Ltd . | | Address：15th Floor , tower 2 , Insular Life Building , Alabang Muntinlupa city , Manila Philippines | | Tel：0063-2772 2343 Fax：0063-2772 2345 | | E-mail：liuping.cosl@gmail.com |
| COSL Myanmar Ltd. | | Address：Room 401-406 , Chatrium Hotel Yangon , No . 40 , Natmauk Road , Tamwe Township , Yangon , The Union of Myanmar | | Tel：0095-1 544500 EXT 402 Fax：0095-1 544500 EXT 403 | | E-mail：liudoven@gmail.com |
| COSL America , Inc . | | Address：10777 Westheimer Road , Suite 169 Houston , Texas 77042 , USA | | Tel：001-713 7848598 Fax：001-713 7849197 | | E-mail：lijfus@yahoo.com |
| COSL Middle East FZE | | Address：Office 748 , BLDG . 5EB , Dubai Airport Free Zone . P . O . Box 293606 , Dubai , UAE | | Tel：00971-4-6091165 Fax：00971-4-6091166 | | E-mail：libs@cosl.com.cn |
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