Earth boring – well treating – and oil field chemistry – Preventing contaminant deposits in petroleum oil conduits
Patent
1997-01-22
2000-04-18
Tucker, Philip
Earth boring, well treating, and oil field chemistry
Preventing contaminant deposits in petroleum oil conduits
507200, 507207, 507259, C09K 300, E21B 3706
Patent
active
06051535&
ABSTRACT:
A subterranean formation is treated to inhibit adsorption of asphaltenes by injecting a treatment fluid containing a sacrificial compound, such as a lignosulfonate. The lignosulfonate may be adsorbed onto formation surfaces in such a way as to act to inhibit the adsorption of asphaltenes. A pretreatment fluid for removing asphaltenes may be injected into the formation before the treatment fluid. The pretreatment fluid may contain an organic solvent, such as terpene.
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Bilden Dean M.
Jones Vicki E.
BJ Services Company
Tucker Philip
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