Organically crosslinked polyvinyl alcohol copolymeric gels for u
Organosilicon polymer having nonrandom crosslinkages useful in e
Overpressured fracturing of deviated wells
Oxidized alkali lignins and their use in enhanced oil recovery
Oxidized lignosulfonates as additives in oil recovery processes
Oxidized lignosulfonates as additives in oil recovery processes
Packer cooling system for a downhole steam generator assembly
Parallel string method for multiple string, thermal fluid inject
Partially crosslinked polymer used in correcting subterranean fo
Permeability flow balancing within integral screen joints...
Permeability reduction in subterranean reservoirs
Permeability stabilization in subterranean formations containing
Petroleum extraction from hydrocarbon formations
Petroleum recovery process using native petroleum surfactants
Petroleum recovery with organonitrogen thiocarbonates
Phenolic and naphtholic ester crosslinked polymeric gels for per
Phosphorus containing ester cosurfactants in enhanced oil recove
Plant derived catechol complexes and processes
Plugging high permeability zones of reservoirs having heterogene
Plugging of water-producing zones in a subterranean formation