Method for temporarily reducing permeability of subterranean for

Details Method for temporarily reducing permeability of subterranean for Method for temporarily reducing permeability of subterranean for

1990-09-07

1991-04-23

Stoll, Robert L.

Wells

Processes

Distinct, separate injection and producing wells

166283, 166285, 166308, 166280, 252 8551, E21B 4327

Patent

active

050092677

ABSTRACT:
A fluid loss control additive for aqueous fracturing media including a blend of two or more modified starches or a blend of one or more natural starches with one or more modified starches.

REFERENCES:
patent: 3993570 (1976-11-01), Jackson et al.
patent: 4067389 (1978-01-01), Savins
patent: 4123366 (1978-10-01), Sauber et al.
patent: 4151096 (1979-04-01), Jackson
patent: 4247402 (1981-01-01), Hartfiel
patent: 4652384 (1987-03-01), Francis et al.

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