Apparatus and method for retrieving lost materials in slanted bo

Details Apparatus and method for retrieving lost materials in slanted bo Apparatus and method for retrieving lost materials in slanted bo

1991-12-26

1993-07-06

Britts, Ramon S.

Wells

Processes

Cleaning or unloading well

166 99, 175310, E21B 2100

Patent

active

052245489

ABSTRACT:
A method and apparatus are disclosed for clearing debris and for retrieving lost materials from slanted boreholes. The apparatus has a central shank which is attachable to drill pipe and an auger-like helical plate wound around the shank. A cylinder with a back plate and partial front plate encloses the helical plate. In practicing the method, debris is cleared and lost materials are retrieved from a slanted borehole by rotation of an auger-like apparatus, preferably the apparatus of the invention, along the path of the borehole.

REFERENCES:
patent: 183467 (1876-10-01), Pierce
patent: 1305792 (1919-06-01), Fraser
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patent: 3232361 (1966-02-01), Haspert
patent: 3378089 (1968-04-01), Marsh
patent: 3690388 (1972-09-01), Hilton et al.
patent: 3900074 (1975-08-01), Lee
patent: 5067570 (1991-11-01), Gilcrease
patent: 5076355 (1991-12-01), Donovan et al.

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