Electricity: measuring and testing – Of subsurface core sample
Reexamination Certificate
2007-09-25
2008-11-18
Williams, Hezron E. (Department: 2856)
Electricity: measuring and testing
Of subsurface core sample
C073S038000, C073S152090
Reexamination Certificate
active
07453266
ABSTRACT:
The present invention relates to the use of an electronically controlled humidity chamber with temperature controls: to determine, by vapor desorption, high capillary pressures of core samples; to produce core samples with a high capillary pressure for testing electrical properties; and, using a curve of high capillary pressures from vapor desorption data, to transform a curve of high capillary pressures determined from high pressure mercury injection.
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J. C. Melrose, Use of Water Vapor Desorption Data in the Determination of Capillary Pressures, Society of Petroleum Engineers, 1987, pp. 465-475.
Laswell Patrick M.
Newsham Kent E.
Fitzgerald John
Williams Hezron E.
Witte G. Alan
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