在集团公司和石油勘探开发科学研究院的领导和支持下 ,石油机械研究所、中石公司和大港油田新世纪机械制造有限公司联合研制开发的国产首台 DQ- 2 0 Y全液压钻修两用顶部驱动装置已完成样机研制和厂内试验 ,并通过了由集团公司中油技术服务公司、石油物资装备总公司等十几个部 Under the leadership and support of the Group Company and Petroleum Exploration and Production Research Institute, the first domestic DQ-20Y hydraulic drill developed by the Institute of Petroleum Machinery, China National Petroleum Corporation and Dagang Oilfield New Century Machinery Manufacturing Co., Ltd. The top drive has been completed prototype development and in-plant testing, and adopted by the CNPC Technical Services Corporation, a total of more than a dozen oil and gas equipment headquarters