Well penetration apparatus

Details Well penetration apparatus Well penetration apparatus

1986-08-21

1988-08-23

Crane, Daniel C.

Metal deforming

With cutting

By composite tool

30366, 83660, 137318, 166 552, 222 80, B21D 2828, B21D 2826, B21D 2834

Patent

active

047651733

ABSTRACT:
A well casing penetrator includes an elongated housing enclosing an outwardly movable hydraulic driven punch for cutting an opening in a casing. A high pressure liquid jet nozzle is mounted on the end of a hose which moves outwardly through an axial bore in the punch when extended through the casing to cut a radially extending opening in the surrounding earth. The punch includes longitudinal slots along opposite sides which cause tabs to be bent back along opposite sides of the opening cut in the casing to prevent dislodging of any portion of the casing from the casing as a consequence of the operation of the punch.

REFERENCES:
patent: 134214 (1872-12-01), Mellor
patent: 1689047 (1928-10-01), Packer
patent: 2457277 (1948-12-01), Schlumberger
patent: 2580146 (1951-12-01), Williams
patent: 2594654 (1952-04-01), Jobe
patent: 2653664 (1953-09-01), Dolby
patent: 3162211 (1964-12-01), Barusch
patent: 3554217 (1971-01-01), Ehrens et al.
patent: 3714959 (1973-02-01), Pignataro, Jr.
patent: 3930286 (1976-01-01), McGowen
patent: 4497351 (1985-02-01), Garcia

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