Laser drilling method and system of fossil fuel recovery

Details Laser drilling method and system of fossil fuel recovery Laser drilling method and system of fossil fuel recovery

1976-04-09

1978-09-12

Purser, Ernest R.

Boring or penetrating the earth

Boring by directly applying heat to fluidize or comminute

166248, 175 45, E21B 714

Patent

active

041130367

ABSTRACT:
Underground bores are drilled through a formation from a plurality of vertical bore holes by use of laser beams to form a subsurface, three-dimensional bore passage pattern for in situ preparation of fossil fuel deposits to be recovered. A laser beam is projected vertically through an angularly adjusted tubular housing inserted into each bore hole from which a reflected drilling beam is laterally directed by an angularly adjusted reflector to form a bore passage.

REFERENCES:
patent: 3301337 (1967-01-01), Vaughn et al.
patent: 3493060 (1970-02-01), Van Dyk
patent: 3652447 (1972-03-01), Yant
patent: 3693716 (1972-09-01), Stout
patent: 3696866 (1972-10-01), Dryden
patent: 3871485 (1975-03-01), Keenan, Jr.
patent: 3977478 (1976-08-01), Shuck
patent: 4019331 (1977-04-01), Rom et al.

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