Terpolymers for use as high temperature fluid loss additive and rheology stabilizer for high pressure, high temperature oil well drilling fluids
Patent
·
OSTI ID:5503942
Novel water-soluble terpolymers comprising: 2-acrylamido-2-methylpropanesulfonic acid, sodium salt (AMPS), acrylamide, N, N-diallylacetamide These terpolymers provide high temperature fluid loss additives and rheology stabilizers for high calcium-containing brine clay drilling fluids.
- Assignee:
- Nalco Chemical Company
- Patent Number(s):
- US 4502966
- OSTI ID:
- 5503942
- Resource Relation:
- Patent File Date: Filed date 9 Sep 1983; Other Information: PAT-APPL-530814
- Country of Publication:
- United States
- Language:
- English
Similar Records
Terpolymers for use as high temperature fluid loss additive and rheology stabilizer for high pressure, high temperature oil well drilling fluids
Terpolymers for use as high temperature fluid loss additive and rheology stabilizer for high pressure, high temperature oil well drilling fluids
Terpolymer composition for aqueous drilling fluids
Patent
·
Tue Mar 05 00:00:00 EST 1985
·
OSTI ID:5503942
Terpolymers for use as high temperature fluid loss additive and rheology stabilizer for high pressure, high temperature oil well drilling fluids
Patent
·
Tue Mar 05 00:00:00 EST 1985
·
OSTI ID:5503942
Terpolymer composition for aqueous drilling fluids
Patent
·
Tue Jul 07 00:00:00 EDT 1987
·
OSTI ID:5503942