Perphosphate viscosity breakers in well fracture fluids

Details Perphosphate viscosity breakers in well fracture fluids Perphosphate viscosity breakers in well fracture fluids

1993-11-08

1995-02-07

Suchfield, George A.

Wells

Processes

Chemical inter-reaction of two or more introduced materials

166308, E21B 43267

Patent

active

053868749

ABSTRACT:
The present invention relates to: i) fracture fluid compositions for fracturing subterranean formations to enhance production of fluids from wells in which the viscosity breaker is one or more esters or amides of the perphosphate ion, and to: ii) fracturing processes using fracture fluids comprising esters or amides of the perphosphate ion.

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patent: 5007481 (1991-04-01), Williams et al.
patent: 5224546 (1993-07-01), Smith et al.
Borchardt et al., "Oil-Field Chemistry, Enhanced Recovery and Production Stimulation," ACS Symposium Series 396, Amer. Chem. Soc., Washington, D.C. (1979), pp. 1-100.
Economides et al., "Reservoir Stimulation," Schlumberger Education Services, Houston, Texas (1987), pp. 4-9.

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