Non-cryogenic production of nitrogen for on-site injection in do

Details Non-cryogenic production of nitrogen for on-site injection in do Non-cryogenic production of nitrogen for on-site injection in do

1993-06-14

1995-02-14

Neuder, William P.

Boring or penetrating the earth

Processes

Boring with specific fluid

E21B 2100

Patent

active

053886500

ABSTRACT:
There is disclosed a method for oil or gas drilling or the drilling of a geothermal well and the like in which a compressed inert gas, produced by the non-cryogenic separation of air is delivered to the drilling region of the downhole.

REFERENCES:
patent: 2786652 (1957-03-01), Wells
patent: 3286778 (1966-11-01), Jackson
patent: 3612192 (1971-10-01), Maguire, Jr.
patent: 4136747 (1979-01-01), Mallory et al.
patent: 4161222 (1979-07-01), Pye
patent: 4871378 (1989-10-01), Pinnau
patent: 5207806 (1993-05-01), Lagree et al.
patent: 5275640 (1994-01-01), Schroter et al.

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