Sulfated ethoxylated acrylic acid polymer product

Details Sulfated ethoxylated acrylic acid polymer product Sulfated ethoxylated acrylic acid polymer product

1982-03-05

1983-09-06

Wong, Jr., Harry

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525344, 526240, 526287, C08F 836, C08F 2004, C08F 2038

Patent

active

044030711

ABSTRACT:
Hydrocarbons are recovered from a subterranean hydrocarbon-bearing formation penetrated by an injection well and a production well by displacing hydrocarbons toward the production well using a drive fluid such as water thickened with a copolymer of acrylamide and vinyl sulfonic acid or salts thereof and saturated with carbon dioxide and/or natural gas at the injection pressure. If desired, the drive fluid may contain a small amount of a sulfated or sulfonated, ethoxylated acrylic acid polymer.

REFERENCES:
patent: 4243772 (1981-01-01), Paul et al.
patent: 4288427 (1981-09-01), Farmer et al.

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