Wells – Processes – With indicating – testing – measuring or locating
Reexamination Certificate
2007-10-30
2007-10-30
Bagnell, David (Department: 3672)
Wells
Processes
With indicating, testing, measuring or locating
C166S264000
Reexamination Certificate
active
11412674
ABSTRACT:
The evaluation and assessment of geologic formations comprising undersaturated methane reservoirs. In some embodiments, the present invention provides for inductively quantifying critical desorption pressure of the solid in an undersaturated methane reservoir from an unrelated substance, the formation water. By using these techniques, the characterization of undersaturated methane reservoirs may be more quickly and economically made based upon a methane content characteristic such as critical desorption pressure, gas content, and in some embodiments gas content as calculated from isotherm evaluation, estimates of dewatering for production, and ratios of critical desorption pressure to initial reservoir pressure, among other possible characteristics. The features of the invention may further have applicability in combination with conventional reservoir analysis, such as coring, logging, reservoir isotherm evaluation, or other techniques.
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Bagnell David
Santangelo Law Offices
Stephenson Daniel P
Yates Petroleum Corporation
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