Well perforating methods

Details Well perforating methods Well perforating methods

1984-02-06

1985-09-17

Novosad, Stephen J.

Wells

Processes

Perforating, weakening, bending or separating pipe at an...

166280, E21B 43117

Patent

active

045414874

ABSTRACT:
A well completion method comprising suspending NaCl crystals in the interval of the well bore to be perforated where the NaCl crystals are sized to bridge the perforations when the hydraulic pressure in the well bore exceeds the hydraulic pressure in the earth formation. The perforator is arranged to produce penetrations in the well bore in a radial pattern about the circumference of the well bore so as to effectively penetrate the entire circumference over a short interval. This enhances the perforation of vertical fractures in the earth formations.

REFERENCES:
patent: 2766828 (1956-10-01), Rachford, Jr.
patent: 2805722 (1957-09-01), Morgan et al.
patent: 2881837 (1959-04-01), Staudt
patent: 2894584 (1959-07-01), Birdwell et al.

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