Low molecular weight polyvinyl sulfonate for low pH barium sulfa

Details Low molecular weight polyvinyl sulfonate for low pH barium sulfa Low molecular weight polyvinyl sulfonate for low pH barium sulfa

1986-08-14

1987-12-01

Hruskoci, Peter

Liquid purification or separation

Processes

Preventing, decreasing, or delaying precipitation,...

252 8555, 210701, C02F 510

Patent

active

047103035

ABSTRACT:
A method of preventing the formation of barium sulfate scale deposited by aqueous produced or injection fluids having a pH below 7.5 which are recovered with or are used to recover petroleum from underground formations which comprises treating these aqueous fluids with a low molecular weight polyvinyl sulfonate which has a molecular weight within the range of between 500-10,000.

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