Wells – Processes – With indicating – testing – measuring or locating
Reexamination Certificate
2011-03-08
2011-03-08
Thompson, Kenneth (Department: 3672)
Wells
Processes
With indicating, testing, measuring or locating
C166S177100, C181S114000, C181S122000, C367S014000
Reexamination Certificate
active
07900700
ABSTRACT:
The invention generally relates a method of determining completion criteria for a coal bed methane reservoir having a plurality of coal seams. The method involves obtaining an acoustic log and a resistivity image log for each of the plurality of coal seams, determining an acoustically determined cleat density for each of the plurality of coal seams using the corresponding acoustic logs, determining maximum horizontal stress direction for each of the plurality of coal seams using the corresponding acoustic logs; determining cleat orientation for each of the plurality of coal seams using the corresponding resistivity image logs, selecting one of the plurality of coal seams upon which to perform a completion operation based on the acoustically determined cleat density, maximum horizontal stress direction, and cleat orientation, and determining the completion criteria for the coal bed methane reservoir using the acoustically determined cleat density, maximum horizontal stress direction, and cleat orientation, where the completion operation is performed using on the coal bed method reservoir using the completion criteria.
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Basu Indrajit
Klimentos Theodore
Sagar Rajiv
Sarkar Arpana
Osha & Liang LLP
Schlumberger Technology Corporation
Thompson Kenneth
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