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四川石油管理局中坝丛式井系四川地区第一组丛式井(共钻四口井)。至1985年10月10日全部完成,各井都准确地钻达了地质设计靶区,各项技术指标符合设计要求。本文介绍丛式井组的钻井情况,包括钻井过程、井斜和方位控制、斜井泥浆等。丛式井组的试钻成功,为我国今后定向井技术的发展提供了有益的经验。
Sichuan Petroleum Administration Zhongba cluster wells in Sichuan Province in the first group of cluster wells (a total of four drilling wells). To be completed on October 10, 1985, all wells are accurately drilled geological design target area, the technical indicators meet the design requirements. This article describes the drilling of cluster wells, including the drilling process, well inclination and azimuth control, and sloping mud. The successful drilling test of cluster well group provides useful experience for the future development of directional well technology in our country.