Wells – Processes – Fluid flow causes pellet to block opening in wall of conduit
Patent
1998-08-14
1999-04-06
Bagnell, David J.
Wells
Processes
Fluid flow causes pellet to block opening in wall of conduit
166308, 166297, E21B 4326, E21B 4314
Patent
active
058905367
ABSTRACT:
A method for stimulating production from wells drilled into natural gas reservoirs characterized by lenticular deposits. The reservoir thickness through which the wells are drilled is divided into multi-stage zones that are further divided into single-stage zones. Each single-stage zone is perforated and then fractured. The fracturing is conducted in multiple stages to sequentially fracture each of the single-stage zones within a multi-stage zone; the fracturing stages being separated by ball sealers. Well spacing may also be controlled to match fracture drainage and size of the lenticular deposits.
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Lamb Walter J.
Nierode Dale E.
Bagnell David J.
Casamassima S. J.
Exxon Production Research Company
Walker Zakiya
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