Enclosed perforating gun with expendable carrier

Details Enclosed perforating gun with expendable carrier Enclosed perforating gun with expendable carrier

1989-04-26

1991-01-15

Nelson, Peter A.

Ammunition and explosives

Blasting

Borehole loading

102312, 299 13, 166217, F42B 300

Patent

active

049845209

ABSTRACT:
In the preferred embodiment of the new and improved perforating apparantus that is described herein, a set of end closure members are cooperatively arranged to be inserted into the open ends of a length of typical piping and expanded radially outwardly into contact with the rough and irregular internal wall surface in each end of the pipe. Anchor members and sealing members are arranged on each and closure member for releasably securing and sealingly engaging these end closure members in the ends of the pipe when the end closure members are respectively expanded outwardly so that no machining operations are required to prepare the internal wall surfaces of the pipe before it can be employed as an expendable perforating carrier.

REFERENCES:
patent: 3307445 (1967-03-01), Stadler et al.
patent: 3581817 (1971-06-01), Kammerer, Jr.
patent: 4064935 (1977-12-01), Mohaupt
patent: 4278127 (1981-07-01), Rankin
patent: 4433726 (1984-02-01), Preston, Jr. et al.
patent: 4540051 (1985-09-01), Schmuck et al.
patent: 4665992 (1987-05-01), Franc
patent: 4667735 (1987-05-01), Salerni et al.
patent: 4762067 (1988-08-01), Barker et al.
patent: 4798244 (1989-01-01), Trost

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