Method for refracturing zones in hydrocarbon-producing wells

Details Method for refracturing zones in hydrocarbon-producing wells Method for refracturing zones in hydrocarbon-producing wells

1992-07-13

1993-12-28

Suchfield, George A.

Wells

Processes

Separate steps of fracturing or attacking formation

166297, 166308, E21B 4326

Patent

active

052731154

ABSTRACT:
A method is provided for refracturing a well which has previously been hydraulically fractured in a lower zone or in the same zone. A sealing material is injected and allowed to solidify, the well is reperforated and refractured.

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M. W. Conway, et al., "Expanding Recoverable Reserves Through Refracturing," SPE 14376, Society of Petroleum Engineers, 1985.
N. R. Warpinski, et al., "Altered-Stress Fracturing," SPE 17533, Society of Petroleum Engineers, presented at SPE Rocky Mountain Meeting held in Casper, Wyoming, May 11-13, 1988.

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