发明名称 |
TUBULAR INJECTOR APPARATUS AND METHOD OF USE |
摘要 |
The invention generally relates to apparatus (44) and methods for moving tubulars into and out of a well bore, and particularly, a tubular injector with two or more gripping members which bind the outer surface of the tubula r, two or more actuators which cause the gripping members to bind or release th e tubular, and at least one reciprocator (30) for translating a gripping membe r (312, 314) to move the tubular, or for repositioning the gripping member. A method of translating a tubular is also provided which includes the steps of binding the outer surface of a tubular with at least one gripping members by engagement with an actuator, and translating a gripping member by reciprocat or to move the tubular.
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申请公布号 |
CA2547878(A1) |
申请公布日期 |
2005.07.07 |
申请号 |
CA20042547878 |
申请日期 |
2004.12.17 |
申请人 |
SCHLUMBERGER CANADA LIMITED |
发明人 |
THOMEER, HUBERTUS V.;LEISING, LAWRENCE J.;ADNAN, SARMAD;SHAMPINE, ROD W.;POLSKY, YAROM |
分类号 |
E21B19/22 |
主分类号 |
E21B19/22 |
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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