Method and means for using inert gas for reduction of oxygen...

Details Method and means for using inert gas for reduction of oxygen... Method and means for using inert gas for reduction of oxygen...

E - Fixed Constructions

21

B

31/14, 165/58

E21B 21/00 (2006.01) C09K 8/38 (2006.01)

Patent

CA 1114145

ABSTRACT OF THE DISCLOSURE 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.

307559

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