发明授权
- 专利标题： Method for sonic indication of voids in casing cement
- 专利标题（中）： 套管水泥孔隙声波指示方法
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申请号： US11964735申请日： 2007-12-27
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公开(公告)号： US07639563B2公开(公告)日： 2009-12-29
- 发明人: Peter T. Wu , Alain Dumont , Pierre Campanac
- 申请人： Peter T. Wu , Alain Dumont , Pierre Campanac
- 申请人地址： US TX Sugar Land
- 专利权人： Schlumberger Technology Corporation
- 当前专利权人： Schlumberger Technology Corporation
- 当前专利权人地址： US TX Sugar Land
- 代理商 Matthias Abrell; Jaime Castano; Dale Gaudier
- 主分类号： G01V1/00
- IPC分类号： G01V1/00
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.
公开/授权文献
- US20090168597A1 METHOD FOR SONIC INDICATION OF VOIDS IN CASING CEMENT 公开/授权日：2009-07-02
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