Method for perforating water well pipe casings

Details Method for perforating water well pipe casings Method for perforating water well pipe casings

1977-09-20

1980-01-08

Purser, Ernest R.

Wells

Processes

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

166 552, 166 551, 166312, 175269, E21B 43112

Patent

active

041824180

ABSTRACT:
A tool for perforating water well pipe casings is disclosed. The tool is designed for use with air rotary water well drilling apparatus. The tool includes a slideable casing perforator wheel actuated by a pneumatic cylinder carried within the tool. The casing may be perforated and subsequent development of the well carried out while the tool is in place. No removal is necessary to carry out well development.

REFERENCES:
patent: 808235 (1905-12-01), Graham
patent: 984702 (1911-02-01), Raine
patent: 1508230 (1924-09-01), Lewis
patent: 1900226 (1933-03-01), Conant
patent: 1927310 (1933-09-01), Edwards
patent: 2809016 (1957-10-01), Kammerer, Jr.

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