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US 2016/0090524 A1Published application
Asphaltene inhibition
AssigneeThe Lubrizol Corporation
InventorAntonio Mastrangelo
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Abstract
The technology disclosed herein provides compositions and methods for asphaltene control in a hydrocarbon fluid, such as crude oil, by employing a thiophosphonate ester compound.
Claims9
A method of asphaltene control in an oil field product, comprising employing a thiophosphonate ester composition comprising:
- an esterified product of a steam reformed reaction product of a polyolefin and phosphorus pentasulfide.
(canceled)
A composition comprising:
- a. a crude oil;
- and
- b. a thiophosphonate ester polymer dispersant,
- wherein the thiophosphonate ester polymer dispersant comprises an esterified product of a steam reformed reaction product of a polyolefin and phosphorus pentasulfide.
1 more element
-11. (canceled)
Dependencies are inferred from the claim text.