Volatile corrosion inhibitors for gas lift

Details Volatile corrosion inhibitors for gas lift Volatile corrosion inhibitors for gas lift

1991-10-01

1993-03-30

Suchfield, George A.

Wells

Processes

Producing the well

166902, 252 8555, 417 55, E21B 4300

Patent

active

051975459

ABSTRACT:
A method is disclosed for volatile inhibition and transport of inhibitor in the volatile phase to produced liquids of corrosion in a gas lift process in which a lift gas is pumped into a well to facilitate petroleum production of the well. The method comprises introducing to the lift gas a corrosion-inhibiting amount of a dihydrothiazole of the formula ##STR1## wherein R, R', R", R'", and R.sup.4 are independently selected from among hydrogen and alkyl groups of up to about 3 carbon atoms, provided that the total number of carbon atoms of R, R', R", R'" does not exceed about 14.

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