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US 8,616,236 B2Granted
Drag reduction of asphaltenic crude oils
AssigneePhillips 66 Company
InventorTimothy L. Burden
Life of this patent
Estimating the term…
Abstract
A method begins by obtaining a slipstream of a liquid. The slipstream of liquid is then mixed upstream of an injection pump with a latex comprising a drag reducing polymer to produce a drag reducing mixture. The drag reducing mixture is then injected into a liquid hydrocarbon to produce a treated liquid hydrocarbon.
Claims15
A method comprising:
- obtaining a slipstream of a liquid,
- mixing the slipstream of the liquid upstream of an injection pump with a latex comprising a drag reducing polymer to produce a drag reducing mixture,
- injecting the drag reducing mixture into a liquid hydrocarbon to produce a treated liquid hydrocarbon,
- wherein the liquid hydrocarbon has an asphaltene content of at least 3 weight percent and an API gravity of less than about 26° and
- wherein the viscosity of the treated liquid hydrocarbon is not less than the viscosity of the liquid hydrocarbon prior to treatment with the drag reducing polymer.
2 more elements
A method comprising:
- obtaining a slipstream of liquid hydrocarbons from a pipeline containing liquid hydrocarbons,
- mixing the slipstream of liquid hydrocarbons upstream of an injection pump with a latex comprising a drag reducing polymer to produce a drag reducing mixture,
- injecting the drag reducing mixture into the liquid hydrocarbons into the pipeline to produce treated liquid hydrocarbons,
- wherein the liquid hydrocarbon has an asphaltene content of at least 3 weight percent and an API gravity of less than about 26° and
- wherein the viscosity of the treated liquid hydrocarbon is not less than the viscosity of the liquid hydrocarbon prior to treatment with the drag reducing polymer.
2 more elements
Dependencies are inferred from the claim text.