发明名称 |
Casing stabbing guide and method of use thereof |
摘要 |
A system for running a string of casing into a well utilizes a casing gripping assembly. The casing gripping assembly connects to a top drive and has radially movable gripping elements. A pair of links have upper ends pivotally connected to the casing gripping assembly. A casing elevator is mounted below the casing gripping assembly to lower ends of the links. A guide is mounted to the links between the elevator and the casing gripping assembly. The guide has a vertically extending central opening that has a lower portion that defines a flared entrance to the opening. |
申请公布号 |
US8191621(B2) |
申请公布日期 |
2012.06.05 |
申请号 |
US20090475133 |
申请日期 |
2009.05.29 |
申请人 |
SWEENEY DAVID;LITTLEWOOD ALLEN;TESCO CORPORATION |
发明人 |
SWEENEY DAVID;LITTLEWOOD ALLEN |
分类号 |
E21B19/18 |
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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