Method of using a diverting material for well treatment

Details Method of using a diverting material for well treatment Method of using a diverting material for well treatment

1982-06-17

1984-04-24

Novosad, Stephen J.

Wells

Processes

Cementing, plugging or consolidating

166281, 166282, 166283, E21B 33138, E21B 4326, E21B 4327

Patent

active

044442645

ABSTRACT:
The present invention relates to a diverting material or fluid-loss additive for use in subterranean formations penetrated by a well bore comprising graded phthalimide particles. The phthalimide particles are introduced into the formation in a carrier fluid. The carrier fluid can include gelling agents or any of the various salts known to be useful in fluids employed in subterranean formation treatment. The phthalimide particles can be used in elevated temperature oil and gas producing formations.

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patent: 3845822 (1974-11-01), Clampitt et al.
patent: 4026361 (1977-05-01), Knapp et al.
The Condensed Chemical Dictionary, Sixth Edition, Reinhold Publishing Co., N.Y., p. 892.

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