Method and apparatus for penetrating subsurface formations

Details Method and apparatus for penetrating subsurface formations Method and apparatus for penetrating subsurface formations

2005-12-27

2005-12-27

Johnson, Stephen M. (Department: 3641)

Boring or penetrating the earth

Boring with explosion in inaccessible hole

Firing chamber movable in bore relative to carrier or...

C175S004570, C089S001150, C102S321000

Reexamination Certificate

active

06978848

ABSTRACT:
A method and apparatus for driving at least one explosive driven projectile into an open hole or well bore of a subterranean formation for the purpose of stimulating productive formation. The apparatus is capable of pivoting within the open hole or well bore for desired firing at an angle and is also capable of deep penetration into a subterranean formation. The apparatus may also be conveyed by a tubing in horizontal drilling applications.

REFERENCES:
patent: 1582184 (1926-04-01), Mims
patent: 2210192 (1940-08-01), Turechek
patent: 2281870 (1942-05-01), Cole
patent: 2639770 (1953-05-01), Huber
patent: 2644519 (1953-07-01), Kanady
patent: 2664157 (1953-12-01), Abendroth
patent: 2664158 (1953-12-01), McKean
patent: 2695665 (1954-11-01), Box et al.
patent: 2947253 (1960-08-01), Cirilo
patent: 3072054 (1963-01-01), Ashbrook

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