发明名称 |
Apparatus and methods to remove impurities at a sensor in a downhole tool |
摘要 |
Apparatus and methods to remove impurities at a sensor in a downhole tool are disclosed. During the testing and/or sampling of formation fluid in a borehole, the downhole tool creates a transient high rate of fluid flow of the formation fluid to remove impurities at the sensor.
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申请公布号 |
US7677307(B2) |
申请公布日期 |
2010.03.16 |
申请号 |
US20070757476 |
申请日期 |
2007.06.04 |
申请人 |
SCHLUMBERGER TECHNOLOGY CORPORATION |
发明人 |
VASQUES RICARDO;HEGEMAN PETER S. |
分类号 |
E21B21/00 |
主分类号 |
E21B21/00 |
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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