发明名称 |
DOWNHOLE SAMPLING APPARATUS AND METHOD FOR USING SAME |
摘要 |
A method and apparatus is provided to sample formation fluid. Formation flui d is drawn from the subterranean formation into the downhole tool and collected i n a sample chamber. An exit flow line is operatively connected to the sample chamber fo r selectively removing a contaminated and/or clean portion of the formation fluid from the sample chamber whereby contamination is removed from the sample chamber. For exampl e, a clean portion of the formation fluid may be passed to another sample chamber for collection, or a contaminated portion may be dumped into the borehole.
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申请公布号 |
CA2484688(A1) |
申请公布日期 |
2005.04.15 |
申请号 |
CA20042484688 |
申请日期 |
2004.10.13 |
申请人 |
SCHLUMBERGER CANADA LIMITED |
发明人 |
NOGUEIRA, MATHEUS;DUNLAP, JAMES J.;HARRIGAN, EDWARD;VASQUES, RICARDO;DURAN, ALEJANDRO;CARNEGIE, ANDREW J. |
分类号 |
E21B49/08;(IPC1-7):E21B49/08;E21B43/38 |
主分类号 |
E21B49/08 |
代理机构 |
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代理人 |
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主权项 |
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