Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Acrylamide terpolymer shale stabilizing additive for low viscosity oil and gas drilling operations

Acrylamide terpolymer shale stabilizing additive for low viscosity oil and gas drilling operations

US Patent 5208216 · Granted May 4, 1993

Estimated economic value: $5,800,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Asphalt emulsion composition and method of treating a pavement surface2022
Preparation of water soluble polymer dispersions from vinylamide monomers2005
Preparation of water soluble polymer dispersions from vinylamide monomers2002
Sulfobetaine-containing polymers and their utility as calcium carbonate scale in2001
Copolymers formed from polymerization of N,N-diallyl-N-alkyl-N-(sulfoalkyl) ammo1998
Sulfonated and carboxylated aminoethylenephosphonic acid and aminobis (methylene1996
Vinylamine polymers for removing color from paper mill effluents1995
Vinylamine polymers and coagulants for removing color from paper mill effluents1995
Fluorescent monomer and polymer1995
Clay stabilizer1994
Acrylamide co-polymers with (2-acrylamido-2-hydroxyethyl) lower trialkyl ammoniu1994
Hydroxamic acid containing polymers used as corrosion inhibitors1994