【摘 要】
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寻找钻杆断头:某钻孔钻进到315米处,发现钻杆折断于孔深59.29米位置,用矢锥第一次捞取失效,再经捞取由于开车上劲过猛又被折断,多次捞取无效,井内钻杆断头较多,事故复杂。根
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寻找钻杆断头:某钻孔钻进到315米处,发现钻杆折断于孔深59.29米位置,用矢锥第一次捞取失效,再经捞取由于开车上劲过猛又被折断,多次捞取无效,井内钻杆断头较多,事故复杂。根据钻探资料,孔深0—150米为安山岩,钻杆
Looking for drill pipe breakage: a drill hole into the 315 meters and found that the drill pipe broken hole depth of 59.29 meters position, the first cone with the cone of fishing failure, and then by the fishing drive because too much is broken, Fishing is invalid, drill pipe breakage more wells, the accident complicated. According to drilling data, deep hole 0-150 meters for the andesite, drill pipe
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