Crude oil compositions having low pour points

Details Crude oil compositions having low pour points Crude oil compositions having low pour points

1977-11-23

1978-11-28

Douglas, Winston A

Fluid handling

Processes

Affecting flow by the addition of material or energy

44 62, 44 70, F17D 116, F17D 117

Patent

active

041271408

ABSTRACT:
A crude oil composition having a low pour point is prepared by incorporating into a waxy crude oil an effective pour depressant amount of an oil-soluble terpolymer, such as vinyl acetate-ethylene-vinyl chloride or allyl chloride terpolymer. The terpolymer may be added with mixing directly to the heated crude or in hydrocarbon solution such as a solution of the terpolymer in a middle distillate or kerosene. In another aspect, this invention relates to a process for the pipeline transportation of the crude oil compositions previously described.

REFERENCES:
patent: 3776247 (1973-12-01), Choufoer et al.
patent: 3830761 (1974-08-01), Lenney
patent: 3904579 (1975-09-01), Braddicks
patent: 3915668 (1975-10-01), Basalay et al.
patent: 4050742 (1977-09-01), Hughes et al.

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