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公开(公告)号:EP0176180B1
公开(公告)日:1988-11-30
申请号:EP85305111.8
申请日:1985-07-18
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公开(公告)号:EP0176180A1
公开(公告)日:1986-04-02
申请号:EP85305111.8
申请日:1985-07-18
摘要: 57 A tool for enlarging well bores, comprising
a tubular housing (1)
a cutter (6) extending outwardly of the housing and having a cutting edge (6A, B, C) engaging a well bore wall,
and a passageway (8) through the housing for delivery of pressurised fluid, the housing wall being apertured (9, 10) to direct fluid from the passageway in a direction lateral of the housing and at generally the same level on the housing as said cutting edge.摘要翻译: 一种用于扩大井眼孔的工具,包括管状壳体(1),从所述壳体向外延伸并具有与井眼壁接合的切割边缘(6A,B,C)的切割器(6)和通过所述孔 用于输送加压流体的壳体,所述壳体壁是有孔的(9,10),以沿着所述壳体的横向方向从所述通道引导流体,并且在所述壳体上与所述切削刃大致相同的水平。
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