Schlumberger Copower Oilfied Services (Called SCP) is a joint-venture company between Schlumberger and Yinchuan Changlong Petrochemical Industry Co.,Ltd from China. Her main project is Yanbei asset, with the client SHAANXI YANCHANG PETROLEUM (GROUP) CO.,LTD. The project starts in 2013, and after 5-year development and construction, Yanbei project delivers the first commercial gas in Jun. 2018. Currently, the projects' natural gas output is almost 1.4 billion m3 per year.