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 |
US7432499(B2) |
申请公布日期 |
2008.10.07 |
申请号 |
US20050547961 |
申请日期 |
2005.09.06 |
申请人 |
SCHLUMBERGER TECHNOLOGY CORPORATION |
发明人 |
EDWARDS JOHN;STOLLER CHRISTIAN;WRAIGHT PETER;GRIFFITHS ROGER;RENOUX NICOLAS |
分类号 |
E21B47/00;G01V5/04;E21B21/00;E21B47/10;E21B47/12;G01V5/06 |
主分类号 |
E21B47/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|