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第三方的钻具如井下马达、MWD、扶正器、震击器必须有详细的打捞图。
All third party equipment, such as downhole motors, MWD, stabilisers, drilling jars, must have detailed fishing diagram available.
HSQ系列绳索取心钻具，既保持了现用砂钻钻进的工艺特点，又发挥了钢绳打捞内管技术的方便性。
The wire-line coring tool of HSQ serial has kept up the technical features of conventional placer drills and derived the advanced structure from steel cable fishing tool for inner barrel.
文中较为详细地介绍了该井打捞作业难点、钻具事故处理程序、打捞工具，分析了钻具事故原因。
In this paper, the difficult problems, the method and tools of the fishing operation are introduced.
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