OREANDA-NEWS. January 18, 2012. China Oilfield Services Limited (“COSL”) is pleased to announce the receipt of a letter of endorsement from the company representative of PTT Exploration and Production Public Company Limited (“PTTEP”) in appreciation of a recently contracted operation performed by the COSL HYSY719 seismic vessel (“HYSY719”), reported the press-centre of COSL.

HYSY719’s crew had overcome many challenges for this contracted operation, and developed an optimal operation proposal by continuously testing and conducting comparative studies. Through comprehensive investigation of the working environment, COSL ensured the safety of underwater equipment, and completed the preparation work in the shortest possible time. Overall, the operation was executed safely and smoothly.

Mr. Mark, the company representative of PTTEP, praised in the letter of endorsement, “Throughout my career, I have worked with many different people from oil exploration companies of various sizes and the HYSY719 team is the most outstanding 3D seismic survey crew I had ever cooperated with. It is my honor to work with them.”