Fracing process

Details Fracing process Fracing process

1978-03-13

1980-02-05

Novosad, Stephen J.

Wells

Processes

Specific propping feature

166308, E21B 4326

Patent

active

041868021

ABSTRACT:
A method for hydraulically fracturing a single subterranean formation in which a fracture is first induced in the formation and then subjected to multiple hydraulic fracturing cycles to generate vertical linear fractures or to linearly extend the fracture outward from the point of introduction of the fracing fluid into a well penetrating the formation. By utilizing fracing fluid containing a high ratio of fine proppant and injected at a low rate, the linear fracturing solely within the formation can be substantially increased with very little or no radial vertical fracturing occurring outside the formation.

REFERENCES:
patent: 3151678 (1964-10-01), Hanson et al.
patent: 3396107 (1968-08-01), Hill
patent: 3634237 (1972-01-01), Crenshaw et al.
patent: 3664422 (1972-05-01), Bullen
patent: 3850247 (1974-11-01), Tinsley
patent: 3888312 (1975-06-01), Tiner et al.
patent: 3896877 (1975-07-01), Vogt, Jr.
patent: 3933205 (1976-01-01), Kiel
patent: 4078609 (1978-03-01), Pavlich

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