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Method for removing or retarding paraffin buildup on surfaces in contact with crude oil

Patent ·
OSTI ID:6609982
; ; ;
A sulfur trioxide-containing fluid, e.g., sulfur trioxide gas, is contacted with the surfaces of equipment in contact with crude oil to retard the deposition of paraffins from the crude oil and/or to react with the paraffins already deposited on the equipment surfaces to produce a water-dispersible material which is removed with an aqueous liquid.
Assignee:
The Dow Chemical Co.
Patent Number(s):
US 4455175
OSTI ID:
6609982
Country of Publication:
United States
Language:
English

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Related Subjects

02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
ALKANES
AQUEOUS SOLUTIONS
CHALCOGENIDES
CHEMICAL COMPOSITION
CHEMICAL REACTIONS
COATINGS
DEPOSITION
DEWAXING
DISPERSIONS
ENERGY SOURCES
EQUIPMENT
FIELD PRODUCTION EQUIPMENT
FOSSIL FUELS
FUELS
HYDROCARBONS
MIXTURES
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PARAFFIN
PETROLEUM
PROTECTIVE COATINGS
REMOVAL
SEPARATION PROCESSES
SOLUTIONS
SULFUR COMPOUNDS
SULFUR OXIDES
SULFUR TRIOXIDE
SURFACE COATING
WAXES
WELL RECOVERY EQUIPMENT