“９”字型钻杆捞钩新疆地矿局九队贾文波水井施工中常遇钻杆折断、跑钻、洗井活塞遇阻钢丝绳拉断落入井内等事故，由于井径较大，钻杆断落后往往倾倒一边，使丝锥打捞成功率降低。为此，我们设计加工了“９”字型捞钩，经实际使用表明，用捞钩打捞操作简单，成功率很高，... “9” -shaped drill pipe hook Xinjiang Bureau of Geology and Mineral Resources nine teams Wen-Bo Jia wells often encountered in the construction of broken drill pipe, running drill, wash well piston resistance wire rope pulled off into the well and other accidents, due to the larger diameter drill pipe off Trailing tend to fall behind, reducing the success rate of tap salvage. To this end, we designed and processed the “9” font fishing hook, the actual use of that fishing hook fishing operation is simple, high success rate, ...