Method and solvent composition for stimulating the production of

Details Method and solvent composition for stimulating the production of Method and solvent composition for stimulating the production of

1973-12-07

1976-12-21

Guynn, Herbert B.

Compositions

Leather or fur treating

166304, E21B 4325, C23G 502

Patent

active

039987434

ABSTRACT:
A method and solvent composition for removing viscous crude oil, waxes, asphaltenes and resin precipitates of petroleum origin from oil wells, flow lines and pore spaces of oil-bearing formations. The solvent composition is a mixture of about 45 to about 85 volume percent of a normally liquid aliphatic hydrocarbon boiling in the range of about 120.degree. F. to about 550.degree. F., between about 5 to 45 volume percent of a normally liquid aromatic hydrocarbon, between about 0.5 to about 6 volume percent of an ether of an aliphatic polyhydric alcohol, and between about 1 to about 15 volume percent of a lower alkyl monohydric alcohol.

REFERENCES:
patent: 2356205 (1944-08-01), Blair et al.
patent: 2753939 (1956-07-01), Carpenter et al.
patent: 3241614 (1966-03-01), Bertness
patent: 3279541 (1966-10-01), Knox et al.
patent: 3402770 (1968-09-01), Messenger
patent: 3756319 (1973-09-01), Holm et al.

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