• 按照机械液压分类以外,还可以分为钻井用震击打捞用震击

    In addition to the mechanical and hydraulic versions, jars are classified as drilling jars or fishing jars.

    youdao

  • 由于钻井水平井特殊身结构限制常规小件打捞打捞成功率

    Because the limit of special casing program of sidetracking well and horizontal well, the fishing success ratio of conventional little junk fisher is low.

    youdao

  • 由于钻井水平井特殊身结构限制常规小件打捞打捞成功率

    Because the limit of special casing program of sidetracking well and horizontal well, the fishing success ratio of conventional little junk fisher is low.

    youdao

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