Methods and emulsions for inhibition of oil well corrosion

Details Methods and emulsions for inhibition of oil well corrosion Methods and emulsions for inhibition of oil well corrosion

1995-11-09

1998-05-19

Tucker, Philip

Earth boring, well treating, and oil field chemistry

Well treating

Contains organic component

507238, 507939, C09K 300

Patent

active

057535965

ABSTRACT:
A novel method for inhibiting oxygen corrosion in an oil well, and an emulsion useful therein. The method comprises introducing into the well a pourable emulsion comprising about 50 to about 95 volume percent discontinuous aqueous phase, about 5 to about 50 volume percent continuous oil phase, and a corrosion inhibiting amount of a composition comprising a corrosion inhibitor selected from among thiophosphates containing both oxygen and sulfur, pyrophosphates containing both oxygen and sulfur and mixtures thereof.

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