发明名称 |
Focused sampling of formation fluids |
摘要 |
An apparatus for obtaining a fluid at a position within a wellbore that penetrates a subterranean formation includes a body adapted to be disposed in the wellbore on a conveyance equipped with one or more expandable packers providing a sample region disposed between an upper cleanup zone and a lower cleanup zone when expanded into abutting contact with the wellbore wall; an upper cleanup port provided at the upper cleanup zone; a lower cleanup port provided at the lower cleanup zone; at least one fluid cleanup flowline in fluid connection with the upper and lower cleanup ports; a sampling inlet provided at the sampling region; and a sampling flowline in fluid connection with the sampling inlet for drawing fluid from the sampling region. |
申请公布号 |
US8726988(B2) |
申请公布日期 |
2014.05.20 |
申请号 |
US201213664521 |
申请日期 |
2012.10.31 |
申请人 |
POP JULIAN J.;CORRE PIERRE-YVES;SCHLUMBERGER TECHNOLOGY CORPORATION |
发明人 |
POP JULIAN J.;CORRE PIERRE-YVES |
分类号 |
E21B49/08;E21B49/10 |
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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地址 |
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