| 发明名称 |
METHOD FOR SONIC INDICATION OF VOIDS IN CASING CEMENT |
| 摘要 |
A method for determining on a real time logging while drilling (LWD) basis the top of cement location between casing transition zones in a borehole using at least one sonic attributes of coherent energy, attenuation and slowness as a function of at least one of depth and time.
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| 申请公布号 |
US2009168597(A1) |
申请公布日期 |
2009.07.02 |
| 申请号 |
US20070964735 |
申请日期 |
2007.12.27 |
| 申请人 |
SCHLUMBERGER TECHNOLOGY CORPORATION |
发明人 |
WU PETER T.;DUMONT ALAIN;CAMPANAC PIERRE |
| 分类号 |
G01V1/40 |
主分类号 |
G01V1/40 |
| 代理机构 |
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代理人 |
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