Boring or penetrating the earth – With below-ground tool drive prime mover – With below-ground conveyer or impeller for removal of cuttings
Patent
1974-07-02
1976-01-27
Faw, Jr., Price C.
Boring or penetrating the earth
With below-ground tool drive prime mover
With below-ground conveyer or impeller for removal of cuttings
175267, E21B 308, E21B 932
Patent
active
039346609
ABSTRACT:
This is a deep well drill employing a Nelson air motor, a Nelson engine or other air motor for drilling power at the face of a petroleum or other deep well and having a cable and tube attached thereto and suspended from spools on a drill rig. A cutting container is attached to the drill to remove cuttings without mud. Drills for varying types of rock strata are provided. A type of foldable casing employed permits the use of the same diameter casing throughout the entire well of any depth, including deep wells to over 25,000 feet. Expandable bits at the end of the cable are provided for drilling selectively larger diameters for foldable casing walls and for safety valve and flow control anchors. The bits are also contractable for unobstructed travel up and down the well.
REFERENCES:
patent: 1072964 (1913-09-01), Maher et al.
patent: 1287477 (1918-12-01), Simpson
patent: 1841302 (1932-01-01), Simmons
patent: 1880214 (1932-10-01), Simmons
patent: 2013070 (1935-09-01), Sheridan
patent: 2863641 (1958-12-01), Kammerer
patent: 2915288 (1959-12-01), Crapez
patent: 3077234 (1963-02-01), Christian
patent: 3232361 (1966-02-01), Haspert
patent: 3381766 (1968-05-01), Bannister
patent: 3513657 (1970-05-01), Nelson et al.
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