PT.COSL INDO, a subsidiary company of COSL that was established in 2005,  is a corporation duly organized and existing under the laws of Indonesia, having its address at 21st floor of Prudential Tower in Sudirman Street, Jakarta. PT.COSL INDO is committed to Indonesia's oil and gas services business.

PT.COSL INDO is a leading integrated oilfield services company in Indonesia. Our main business includes Geophysical and Survey, Drilling Services, Barge services, Liftboat, Workover Services, Cementing Services, Drilling Fluid Services, Wireline Logging/TCP, Directional Drilling/MWD, Completion & Stimulation (Acidizing/Fracturing), Coil Tubing services, Slick line, IPM/Turnkey services.

PT. COSL INDO enjoys good reputation in the Indonesian oil and gas services industries through providing high safety, high quality, and high efficiency services to customers since 2005. PT.COSL INDO not only provides services of single operation for customers, but also offers integrated package and turnkey services in Indonesia. Our customers in Indonesia are more than 80 companies. Such as:  CNOOC SES, BP BERAU, ANADARKO INDONESIA, MURPHY SEMAI OIL CO. LTD, SANTOS（SAMPANG）PTY LTD, PETROCHINA INTERNATIONAL、PETRONAS, HUSKY - CNOOC MADURA LIMITED, MEDCO、PERTAMINA,TALISMAN SAKAKEMANG B.V., PHE ONWJ, PHE WMO, SAKA, etc.

With the concept of "Always Do Better", PT.COSL INDO will continually devote to provide excellent services to all customers, and make greater contributions to the development of Indonesia's oil and gas industries.

Contact Us:

PT. COSL INDO

Prudential Tower, 21st Floor JI. Jend. Sudirman Kav. 79, Jakarta Selatan 12910, Indonesia

Mr. Wang Xiaohua

Tel：0062 21 57932563 ext. 173

Mob：0062 818959167

Email: marketing@cosl.co.id; wang_xiaohua@cosl.co.id

COSL Drilling Pan-Pacific Limited (CDPL) is a Singapore based offshore drilling services company established in 2008 as oversea subsidiary of COSL and part of COSL Drilling Division which now managed three high specific Jack Up rig named COSLBOSS, COSLSEEKER and COSLPOWER.

CDPL’s office is located in 3 Benoi Road, Singapore (629877) where have our own warehouse and yard to support offshore operation in the Pan-Pacific Region. As an international offshore drilling contractor, CDPL have many years operating experience in offshore Malaysia, Indonesia, Thailand, Qatar, Oman, etc. and CDPL always adheres to the core values of COSL to supply the best service to our client.

Contact Us:COSL Drilling Pan-Pacific Ltd 3 Benoi Road, COSL (Singapore) Base,Singapore 629877.

Tel:+65 6513 6799

Fax:+65 6513 6764

E-mail:luo.xiao@cosl.com.sg

COSL Oil-Tech (Singapore) Limited (COT), a wholly-owned Singapore-based subsidiary of COSL, provides R&D of well services, products manufacturing, logistic support and indemnity services based on its HaiXin Base. The company’s facilities comprise of an Office Building, R&D workshop, M&W workshop, open yard, wharf and others. Core functions include administrative and commercial services, warehousing, procurement, wharf services, well service products research & development, manufacturing, sales and on-site support, etc.

Contact Us:COSL Oil-Tech (Singapore) Ltd, COSL Singapore Base, 3 Benoi Road, Singapore 629877

Tel:+65 6804 7500

Fax:+65 6804 7501

Myanmar COSL Ltd., established in 2005, represents all COSL activities in Myanmar, has been providing offshore seismic data acquisition, OSV, onshore and offshore drilling and relative oilfield technical services like directional drilling, E-logging to MOGE, CNOOC, PTTEP, CNPC, Daewoo and other oil & gas companies.

With support from our parent company, Myanmar COSL Ltd is capable of utilizing COSL’s global resources to provide diversified solutions to the clients in Myanmar.

Contact Us:Myanmar COSL Ltd. RM 307 Micasa Hotel Apartment,No.17 Kaba Aye Pagoda Road, Yankin Township, Yangon, Myanmar

Tel：+95 9 971318913

Fax：+95 951-650 960

Mobile:+95 9 5166313

Email:caixy7@cosl.com.cn

PBS-COSL OILFIELD SERVICES COMPANY SDN BHD (PBSCOSL) is a Brunei based oilfield Services Company established on the 20th March, 2014 through a joint venture agreement between PB Services SDN BHD (PBS) and China Oilfield Services Limited (COSL).

PBS-COSL’s office is located in the heart of capital of Brunei Darussalam, Bandar Seri Begawan where landmarks like the Sultan Omar Saifuddien Mosque and the world’s largest water village, Kampong Ayer are situated. As a new and fast growing local drilling contractor in Brunei Darussalam, PBS-COSL adheres to the core values of Parent Companies and actively promoting the business with the support of PBS and COSL.

Contact Us:PBS-COSL Oilfield Service Company SDN BHD 2nd floor, Blocks A, B & C, Yayasan Sultan Haji Hassanal Bolkiah Complex, Jalan Pretty, Bandar Seri Begawan BS8711, Brunei Darussalam Mr. Dou Rukuan

Tel:+6732241596

Mob:+6732241596

Email:Dou.rukuan@pbscosl.com