发明名称 |
IMPROVED WELL BORE ANCHORS |
摘要 |
A formation engaging member for use in an open hole anchor (10) is described. The formation engaging member has at least one first open hole surface engaging element (20) for penetrating a surface of an open hole, and at least one second open hole surface engaging element (22) for fractionally interacting with a surface of the open hole to form an interference engagement. A method of anchoring to a formation surface of an open hole and an anchor are also described.
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申请公布号 |
CA2644667(C) |
申请公布日期 |
2013.09.17 |
申请号 |
CA20052644667 |
申请日期 |
2005.10.07 |
申请人 |
PETROWELL LIMITED |
发明人 |
MACLEOD, IAIN;REID, STEVE |
分类号 |
E21B23/01 |
主分类号 |
E21B23/01 |
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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