Decentralized casing hole puncher

Details Decentralized casing hole puncher Decentralized casing hole puncher

1992-04-30

1994-03-22

Neuder, William P.

Wells

Processes

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

166 55, 175452, E21B 43117

Patent

active

052955443

ABSTRACT:
An explosive charge carrier is provided which is lowered into a well pipe casing. The carrier includes wear plates that slide along the inner diameter of the pipe and which are biased against the inner wall of the well pipe casing. A string of explosive charges having a density of up to six charges per foot are mounted between disks of the carrier which are separated by 12 inches. Spaced about the periphery of the separated disks are a maximum density of six strings of charges separated by 60.degree. for 36 explosive charges. Alternately, four strings of charges may be spaced about the periphery of the separated disks at a spacing of 90.degree. for 16 explosive charges.

REFERENCES:
patent: 2690123 (1954-09-01), Kanady
patent: 2749841 (1956-06-01), Jones
patent: 2760435 (1956-08-01), Jones
patent: 3181608 (1965-05-01), Palmer
patent: 3415321 (1968-12-01), Venghiattis
patent: 4739839 (1988-04-01), Regalbuto et al.

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