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四川石油管理局川南矿区60136钻井队,最近在丹凤场构造,成功的钻成1口目前国内最深的水平井——丹21水平井。这口井井深3635米,最大井斜94°,水平段长311米,比目前国内钻成并通过评估的最深的水平井还深12米。该井还创造了152.4毫米井眼内水平
60136 drilling team of Sichuan Petroleum Administration South Sichuan Mining Area recently constructed at Danfeng Field successfully drilled one of the deepest horizontal wells in the country, Dan 21 horizontal well. The well is 3635 meters deep with a maximum deviation of 94 ° and a horizontal section of 311 meters, 12 meters deeper than the deepest horizontal well drilled and passed the assessment. The well also created a 152.4 mm borehole level