Lanthanide-crosslinked polymers for subterranean injection
Lignin amine microemulsions
Lignin amine surfactant system followed by sequential polymer sl
Lignin phenol/lignin/amine surfactant system
Lignosulfonate-acrylic acid graft copolymers as sacrificial...
Lignosulfonate-formaldehyde condensation products as additives i
Lignosulfonates as additives in oil recovery processes involving
Lignosulfonates as additives in recovery processes involving che
Lignosulfonates as sacrificial agents in oil recovery processes
Lignosulfonates carboxylated with carbon dioxide as additives in
Lignosulfonates carboxylated with chloroacetic acid as additives
Lignosulfonates carboxylated with chloroacetic acid as additives
Limited entry method for multiple zone, compressible fluid injec
Liquid addition to steam for enhancing recovery of cyclic...
Lithium salts as additives in petroleum recovery processes
Long chain alcohol additives for surfactant foaming agents
Lowering CO.sub.2 MMP and recovering oil using carbon dioxide