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US 5,853,224 AGranted
Method for completing a well in a coal formation
AssigneeVastar Resources, Inc.
InventorWalter C Riese
Life of this patent
Estimating the term…
Abstract
A method for completing a well penetrating a solid carbonaceous subterranean formation by positioning a perforating gun in an uncased portion of a wellbore penetrating the solid carbonaceous subterranean formation; perforating the coal formation; and, producing fluids and particulate coal from the coal formation through the well to form a cavity in the coal formation surrounding the well.
Claims14
A method for completing a cavitated well penetrating a subterranean coal formation, the method consisting essentially of:
- a) positioning a perforating gun in an uncased portion of a well penetrating the coal formation;
- b) perforating the coal formation;
- and,
- c) forming a cavity in the coal formation by producing fluids and particulate coal from the coal formation through the well.
1 more element
Dependencies are inferred from the claim text.