发明名称 |
A TOOL FOR INSTALLING UNITS IN A WELL |
摘要 |
<p>The present invention relates to a tool for installation of units in connection with oil wells, comprising a housing (1) with an attachment device (12) for attachment to a well installation, a telescopic device (30, 31, 32) for extension of the tool, a torsional force transmission device (13) for rotation of an internal movable element (2) of the tool. According to the invention the internal movable element (2) comprises a pressure face (21), which in an operative condition is exposed to a well pressure and a counter-pressure face (22), with a sealing arrangement (26) between the housing (1) and the internal movable element (2) provided between these pressure faces (21, 22) and devices (23) which are arranged in such a manner that a pressure can be applied to the counter-pressure face.</p> |
申请公布号 |
WO2011093717(A2) |
申请公布日期 |
2011.08.04 |
申请号 |
WO2011NO00029 |
申请日期 |
2011.01.26 |
申请人 |
PETROLEUM TECHNOLOGY COMPANY AS;PETTERSEN, STAALE;KLEPPA, ERLING;KVASNES, TROND |
发明人 |
PETTERSEN, STAALE;KLEPPA, ERLING;KVASNES, TROND |
分类号 |
E21B23/00 |
主分类号 |
E21B23/00 |
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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