发明名称 |
Apparatus and methods of setting and retrieving casing with drilling latch and bottom hole assembly |
摘要 |
In one embodiment, a top drive system for drilling with casing is provided with an access tool to retrieve a downhole tool. The top drive system for drilling with casing comprises a top drive; a top drive adapter for gripping the casing, the top drive adapter operatively coupled to the top drive; and an access tool coupled to the top drive and adapted for accessing a fluid passage of the top drive system. In another embodiment, a method for retrieving a downhole tool through a tubular coupled to a top drive adapter of a top drive system is provided. The method comprises coupling an access tool to the top drive system, the access tool adapted to provide access to a fluid path in the top drive system and inserting a conveying member into the fluid path through the access tool. |
申请公布号 |
US7503397(B2) |
申请公布日期 |
2009.03.17 |
申请号 |
US20050193582 |
申请日期 |
2005.07.29 |
申请人 |
WEATHERFORD/LAMB, INC. |
发明人 |
GIROUX RICHARD LEE;ODELL, II ALBERT C.;THOMPSON GARY;HAUGEN DAVID;LE TUONG THANH;DUGAL ROBERT;HEIDECKE KARSTEN;SHAHIN DAVID |
分类号 |
E21B19/18;E21B3/02;E21B7/20;E21B19/07;E21B19/22;E21B21/02 |
主分类号 |
E21B19/18 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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