Limited entry, multiple fracturing from deviated wellbores

Details Limited entry, multiple fracturing from deviated wellbores Limited entry, multiple fracturing from deviated wellbores

1988-06-01

1989-09-19

Kisliuk, Bruce M.

Wells

Processes

Placing fluid into the formation

166250, 166297, E21B 4326

Patent

active

048672416

ABSTRACT:
A hydraulic fracturing process for inducing simultaneously, multiple vertical fractures in a deviated well bore located in a subterranean formation for the removal of resources therefrom, particularly hydrocarbonaceous fluids. Said process results in increased recovery of hydrocarbonaceous fluids when combined with steam-flooding, solvent or surfactant stimulation processes. The wellbore is selectively perforated with holes sufficiently apart that multiple vertical fractures are produced. This occurs when the fracturing fluid rate through the limited holes causes a pressure drop across said holes sufficient to divert said fluid through essentially all of said holes.

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Cramer, "Limited Entry Extended to Massive Hydraulic Fracturing", Oil and Gas Journal, Dec. 1987.
Medlin, "Abnormal Treating Pressures in MHF Treatments", SPE publication, Oct. 1983.
Howard and Fast, "Hydraulic Fracturing", vol. 2, 1970, pp. 95-100.

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