Inhibiting wax deposition from a wax-containing oil

Details Inhibiting wax deposition from a wax-containing oil Inhibiting wax deposition from a wax-containing oil

1988-12-30

1990-03-06

Suchfield, George A.

Wells

Processes

Entraining or incorporating treating material in flowing...

166371, 252 8552, E21B 4706

Patent

active

049057626

ABSTRACT:
A method for inhibiting the deposition of wax in an oil well producing a wax-containing petroleum from a subterranean formation comprises injecting into the oil pool at the base of said well a copolymer comprised of ethylene and vinyl acetate and having an average molecular weight between about 15,000 and about 35,000.

REFERENCES:
patent: 3669189 (1972-06-01), Fischer
patent: 4045360 (1977-08-01), Fischer et al.
patent: 4660645 (1987-04-01), Newlove et al.
patent: 4693312 (1987-09-01), Lenderman
patent: 4755230 (1988-07-01), Ashton et al.

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