Bohai Drilling Engineering Company Limited, a petroleum engineering technology service company, provides drilling, downhole operation, acidizing, fracturing, wireline logging, mud logging, directional drilling, cementing, and R&D services. The company’s technology includes drilling rig, electric drilling rig, top drive, LWD, imagine logging system, mud logging unit, HQ 2000 fracturing trucks, coiled tubing, and three-phrase separator. The company was founded in 2008 and is based in Tianjin, China. CNPC Bohai Drilling Engineering Company Limited operates as a subsidiary of China National Petroleum Corporation.