skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Method for removing solids and water from petroleum crudes

Patent ·
OSTI ID:6416387

Particulate solids and water are removed from petroleum crude to bring the BS and W content of the crude within pipeline specifications by treating a blended and dewatered crude to destabilize the water-in-oil emulsion of the crude and providing in uniform distribution through the treated crude both produced water and an acid-reacting coagulating agent while maintaining the crude at a pH of at least 8, then maintaining the resulting treated crude at 52/sup 0/-88/sup 0/ C. for at least a few minutes, separating the treated crude into at least an oil phase and a water phase, and recovering the oil phase as a clean blended crude oil having a BS and W content within pipeline specifications and in a yield significantly greater than that which can be recovered without use of produced water and coagulating agent.

Assignee:
Husky Oil Operations Ltd. (Canada)
Patent Number(s):
US 4466885
OSTI ID:
6416387
Resource Relation:
Patent Priority Date: Priority date 13 Jul 1982, Canada; Other Information: PAT-APPL-397934
Country of Publication:
United States
Language:
English