Method for establishing high permeability flow path between bore

Details Method for establishing high permeability flow path between bore Method for establishing high permeability flow path between bore

1977-07-07

1978-08-15

Leppink, James A.

Boring or penetrating the earth

Boring with explosion in inaccessible hole

Projectile forms bore

166271, E21B 700, E21B 4326

Patent

active

041065743

ABSTRACT:
A method for linking adjacent boreholes in a subterranean formation, particularly in a coal gasification array, by firing a high velocity terradynamic projectile from one borehole to the other.

REFERENCES:
patent: 2630182 (1953-03-01), Klotz, Jr.
patent: 2837027 (1958-06-01), Martin
patent: 3216320 (1965-11-01), Thomas et al.
patent: 3627044 (1971-12-01), Dunlap
patent: 3708013 (1973-01-01), Dismukes
patent: 4018293 (1977-04-01), Keller

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