Measuring and testing – Borehole or drilling – Downhole test
Patent
1992-06-03
1994-06-14
Warden, Robert J.
Measuring and testing
Borehole or drilling
Downhole test
73155, 436 27, 436 30, 166250, 166270, E21B 4908, E21B 4327, G01N 3324
Patent
active
053199669
ABSTRACT:
A method is provided for locating non-aqueous phase liquid in an aquifer. An aqueous solution having the capacity to solubilize the contaminating liquid to concentrations greater than the solubility of the contaminant in water is injected and produced through a well. Chemical concentrations in produced fluid samples are interpreted to locate the contaminating liquid. Produced fluid samples are chemically analyzed to determine composition of the contaminant.
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Jackson Richard E.
Pickens John F.
Dawson E. Leigh
Intera, Inc.
Warden Robert J.
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