Fracturing with multiple fluids to improve fracture conductivity

Details Fracturing with multiple fluids to improve fracture conductivity Fracturing with multiple fluids to improve fracture conductivity

1990-02-05

1991-08-06

Britts, Ramon S.

Wells

Processes

Distinct, separate injection and producing wells

166274, 166308, 166309, E21B 4326

Patent

active

050369199

ABSTRACT:
Conductivity damage is decreased in fracturing a high temperature (greater than 200.degree. F.) well by employing a first fracturing fluid which is substantially stable at the bottom hole static temperature and pumping a second fracturing fluid behind the first fracturing fluid which is less stable at bottom hole static temperature than the first-pumped fracturing fluid.

REFERENCES:
patent: 4078609 (1978-03-01), Pavlich
patent: 4534870 (1985-08-01), Williams
patent: 4657080 (1987-04-01), Hodge
patent: 4657081 (1987-04-01), Hodge
patent: 4665982 (1987-05-01), Brown
patent: 4686052 (1987-08-01), Baranet et al.
patent: 4749040 (1988-06-01), Hodge
patent: 4749041 (1988-06-01), Hodge
patent: 4770796 (1988-09-01), Jacobs
patent: 4797216 (1989-01-01), Hodge
patent: 4861500 (1989-08-01), Hodge

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