Wells – Processes – Placing fluid into the formation
Patent
1985-10-17
1987-05-19
Novosad, Stephen J.
Wells
Processes
Placing fluid into the formation
166280, 166308, E21B 43267, E21B 4327
Patent
active
046659900
ABSTRACT:
An improved method of multiple-stage hydraulic fracturing of coal seams to improve the rate and total recovery of gas therefrom. In one aspect, the improvement comprises completing the well with 7-inch or larger casing and 31/2 inch or larger tubing. In another aspect, the stagewise fracturing is continued until the following quantity of 60-140 mesh proppants has been deposited in the formation:
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Kisliuk Bruce M.
Novosad Stephen J.
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