Dispersed oil soluble corrosion inhibitor and water soluble phos

Details Dispersed oil soluble corrosion inhibitor and water soluble phos Dispersed oil soluble corrosion inhibitor and water soluble phos

1985-09-26

1987-12-15

Guynn, Herbert B.

Compositions

Leather or fur treating

252 8555, E21B 3700, C23F 1114

Patent

active

047131845

ABSTRACT:
A combination corrosion/scale inhibitor composition for use in oil or gas wells is provided which is in the form of a substantially homogeneous dispersion so as to facilitate use and well coverage of the composition, and to minimize well downtime. The overall composition preferably includes a preblend having an imidazoline-based corrosion inhibitor and an organophosphonic scale inhibitor, together with an organic solvent and an alkylphenol ethoxylate surfactant; the preblend is then field-mixed with water or crude oil to yield a final treating composition. In practice the final composition may be introduced into the well in bulk or over time so as to achieve full coverage of down-hole equipment with both the corrosion and scale inhibitor.

REFERENCES:
patent: 2468163 (1949-04-01), Blair et al.
patent: 3017354 (1962-01-01), Riggs
patent: 3412024 (1968-11-01), Stanford
patent: 3623979 (1971-11-01), Maddox et al.
patent: 3699118 (1972-10-01), Donham
patent: 3712862 (1973-01-01), Bundrant et al.
patent: 3770815 (1973-11-01), Jones

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