发明名称 |
Method and apparatus for detecting while drilling underbalanced the presence and depth of water produced from the formation |
摘要 |
The invention relates to methods and apparatus for determining a downhole parameter in an underbalanced drilling environment which include: selectively activating a first fluid flowing from the formation through a wellbore while under balanced drilled; detecting the activated first fluid, and determining a depth at which said fluid enters the wellbore. |
申请公布号 |
US8143570(B2) |
申请公布日期 |
2012.03.27 |
申请号 |
US20080200081 |
申请日期 |
2008.08.28 |
申请人 |
EDWARDS JOHN;STOLLER CHRISTIAN;WRAIGHT PETER;GRIFFITHS ROGER;RENOUX NICOLAS;SCHLUMBERGER TECHNOLOGY CORPORATION |
发明人 |
EDWARDS JOHN;STOLLER CHRISTIAN;WRAIGHT PETER;GRIFFITHS ROGER;RENOUX NICOLAS |
分类号 |
E21B47/00;G01V5/08;E21B21/00;E21B47/10;E21B47/12 |
主分类号 |
E21B47/00 |
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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