| 发明名称 |
GRAVITATIONAL METHOD AND APPARATUS FOR MEASURING TRUE VERTICAL DEPTH IN A BOREHOLE |
| 摘要 |
A method for measuring true vertical depth in a borehole, the method including: measuring gravitational acceleration in the borehole; and determining the true vertical depth from the measurement.
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| 申请公布号 |
US2009044618(A1) |
申请公布日期 |
2009.02.19 |
| 申请号 |
US20080173091 |
申请日期 |
2008.07.15 |
| 申请人 |
BAKER HUGHES INCORPORATED |
发明人 |
DIFOGGIO ROCCO;GEORGI DANIEL T.;ESTES ROBERT |
| 分类号 |
G01V7/04 |
主分类号 |
G01V7/04 |
| 代理机构 |
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代理人 |
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