Method and means for reduction of oxygen content in drilling flu

Details Method and means for reduction of oxygen content in drilling flu Method and means for reduction of oxygen content in drilling flu

1976-12-17

1979-01-30

Purser, Ernest R.

Boring or penetrating the earth

Processes

Boring with specific fluid

55 53, 55196, 175206, 175 69, E21C 2100

Patent

active

041367472

ABSTRACT:
A method and means for using nitrogen exhaust gases or gaseous mixtures of combustible products for reduction of oxygen in drilling fluids during the drilling of well bores and which comprises utilizing nitrogen from normally waste exhaust gases or the like, injecting the nitrogen and other gases present into the usual drilling muds for replacing the oxygen contents of the drilling muds with the nitrogen gas, whereby corrosive action of the drilling muds is greatly reduced or substantially eliminated.

REFERENCES:
patent: 2338174 (1944-01-01), Garrison
patent: 3276966 (1966-10-01), Talbot
patent: 3286778 (1966-11-01), Jackson
patent: 3301323 (1967-01-01), Parsons

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