关键词: 连续管作业, 队伍专业化, 示范工艺, 连续管压裂, 速度管柱, 降本增效

Abstract: CNPC oilfield engineering technological service enterprises have made significant progress in quantity of coiled tubing equipment, auxiliary tools and application of coiled tubing technology in recent years. To promote application of coiled tubing process technology for safe and high-efficiency service as well as cost-effectiveness, Changqing Downhole Technology Company of CNPC Chuanqing Drilling Engineering Company Limited put coiled tubing service personnel under specialized training in the light of the process demand by Changing Oilfield. The efforts were focused on four areas – specialization of organizational structure and personnel, characterization of equipment families, perfection of supporting system, and standardization of on-the-site service. The company has established four demonstration crews specialized in coiled tubing fracturing service and two demonstration crews for speed string service. As of August 2017, a total of 84 wells, with 242 intervals (sections), had been cumulatively fractured by means of coiled tubing to move bottom packer, while 241 wells were cumulatively completed for speed string service. Application of the two processes on a large scale has made remarkable economic performance and promoted development of coiled tubing service technology.