Controlling corrosion in gas-containing aqueous drilling fluid

Details Controlling corrosion in gas-containing aqueous drilling fluid Controlling corrosion in gas-containing aqueous drilling fluid

C - Chemistry, Metallurgy

09

K

31/14

C09K 8/12 (2006.01) C09K 8/38 (2006.01) E21B 21/06 (2006.01)

Patent

CA 1084250

"ABSTRACT OF THE DISCLOSURE" A composition and method for drilling wells through subterranean strata containing high temperature aqueous fluids using a gas-containing aqueous drilling fluid containing an alkaline material to raise the pH of the drilling fluid to provide corrosion protection in the liquid phase and a volatile water-soluble nitrogen-containing compound to provide corrosion protection in the gaseous phase.

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