Well Services of COSL has over 30 and 20 years experience in the offshore and onshore oilfield services industry respectively. As the biggest and the strongest well services provider in China, our well services segment consists of several service product lines, namely, logging, directional drilling, cementing, drilling fluids, well completion, production increment and data collection. We are capable of providing our clients with a complete package of well services.

Benefited from the continuous robust exploration and production activities in offshore China and the expansion of overseas markets, well services of COSL consolidated its market presence in China while proactively extended to overseas markets, including Philippines, Indonesia, Myanmar and Papua New Guinea. In 2006, turnover of technical services segment was RMB1, 352 million, representing an increase of 16% as compared with 2005.

The cementing and drilling fluids services showed greatest international competitiveness among COSL’s expertise. Our cementing service, widely recognized and trusted by clients, covered regions such as Philippines, Myanmar and Sakhalin, Russia.