Method and apparatus for forming and using a bore hole

Details Method and apparatus for forming and using a bore hole Method and apparatus for forming and using a bore hole

1980-07-17

1984-02-14

Pate, III, William F.

Boring or penetrating the earth

Processes

Boring curved or redirected bores

175320, 175 67, 166278, E21B 706, E21B 718

Patent

active

044310692

ABSTRACT:
A system for the formation and use of a bore hole, particularly for the recovery of oil from an oil-bearing underground formation. An eversible elongate permeable tube, preferably formed of woven cloth, including other and inner walls, connected at a rollover area, is urged into the formation by a driving fluid. Drilling fluid is pumped through a central passageway in the tube and carries a central pipe forward. The drilling fluid, comprising a hot acid or basic aqueous or petroleum base solution, assists break up of the formation to form a cuttings slurry which passes back along the outside of the eversible tube. Means is provided for turning the tube, as from the vertical to the horizontal, by use of a turning segment in the eversible tube, or by guiding the central pipe. Such pipe preferably includes a flexible helical segment capable of turning and of serving as the ultimate support casing. Also, gravel packing techniques and down-hole steam generators.

REFERENCES:
patent: 2271005 (1942-01-01), Grebe
patent: 2513944 (1950-07-01), Kessler
patent: 2729294 (1956-01-01), Adams
patent: 3105046 (1963-09-01), Fischer
patent: 3640344 (1972-02-01), Brandon
patent: 3873156 (1975-03-01), Jacoby
patent: 3899431 (1975-08-01), Hayes
patent: 4012329 (1977-03-01), Hayes

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