发明名称 |
Method and apparatus for initialization of a wellbore survey tool |
摘要 |
<p>An apparatus for initializing a wellbore survey tool comprises a base portion and a first mounting portion mechanically coupled to the base portion. The first mounting portion can be adapted to be mechanically coupled to at least one directional reference system configured to provide data indicative of an orientation of the at least one directional reference system with respect to a reference direction. The apparatus of certain embodiments further comprises a second mounting portion mechanically coupled to the base portion, the second mounting portion configured to be mechanically coupled to a wellbore survey tool such that the wellbore survey tool has a predetermined orientation with respect to the at least one directional reference system.</p> |
申请公布号 |
EP2256291(B1) |
申请公布日期 |
2012.11.14 |
申请号 |
EP20100152513 |
申请日期 |
2010.02.03 |
申请人 |
GYRODATA, INCORPORATED |
发明人 |
EKSETH, ROGER;WESTON, JOHN LIONEL |
分类号 |
E21B47/024;E21B19/00;G01C21/16 |
主分类号 |
E21B47/024 |
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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