Measuring and testing – Borehole or drilling – Fluid flow measuring or fluid analysis
Patent
1997-09-26
1999-12-21
Brock, Michael
Measuring and testing
Borehole or drilling
Fluid flow measuring or fluid analysis
7315242, 166246, 16625012, 436 27, E21B 4500, E21B 4322, G01N 3324
Patent
active
060033657
ABSTRACT:
Characterization of organic contaminants in subsurface formation is performed by methods for detecting the presence of nonaqueous phase liquid in a subsurface formation, and for determining the composition and for determining the volume of nonaqueous phase liquids. Generally the methods comprise introducing one or more partitioning tracers and one or more non-partitioning tracers at one or more injection points located in the subsurface formation and measuring separation between the one or more partitioning tracers and the one or more non-partitioning tracers from one or more sampling points located in the subsurface formation to determine presence, composition and/or volume of nonaqueous phase liquid in the subsurface formation. In addition, the methods can be used to assess the performance of an attempted remediation.
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Jackson Richard E.
Pope Gary A.
Board of Regents , The University of Texas System
Brock Michael
Politzer Jay L.
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