发明名称 Single Pump Focused Sampling
摘要 An apparatus comprising first and second fluid intakes, a pump, and a sample chamber, may be positioned in a borehole penetrating a subterranean formation. A method of use thereof may comprise drawing fluid from the subterranean formation and into the first and second fluid intakes using the pump, discharging into the borehole at least a portion of the fluid drawn into the second fluid intake, and selectively diverting at least a portion of the fluid drawn into the first fluid intake to the sample chamber.
申请公布号 US2013075088(A1) 申请公布日期 2013.03.28
申请号 US201113522905 申请日期 2011.01.13
申请人 MILKOVISCH MARK;ZAZOVSKY ALEXANDER F.;ROSS SIMON;SCHLUMBERGER TECHNOLOGY CORPORATION 发明人 MILKOVISCH MARK;ZAZOVSKY ALEXANDER F.;ROSS SIMON
分类号 E21B49/08;G01N1/24;G01N33/00 主分类号 E21B49/08
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