Constant viscosity foam

Wells – Processes – Placing fluid into the formation

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Details

166280, 166309, E21B 4326, E21B 43267

Patent

active

049112414

ABSTRACT:
A method of preparing either foamed or nonfoamed fracturing fluids which maintain an at least substantially constant viscosity during the introduction of varying concentrations of proppant. The at least substantially constant viscosity fluids of the present invention provide a substantially constant friction pressure, which provides improved on-site, real-time analysis and to a better evaluation of the fracture treatment.

REFERENCES:
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patent: 4232739 (1980-11-01), Franklin
patent: 4439333 (1984-03-01), House et al.
patent: 4541935 (1985-09-01), Constein et al.
patent: 4569394 (1986-02-01), Sweatman et al.
patent: 4622155 (1986-11-01), Harris et al.
patent: 4627495 (1986-12-01), Harris et al.
patent: 4702848 (1987-10-01), Payne

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