P

Inventor

LOCKHART THOMAS P

IT23 patents
⚠️ This page may combine multiple inventors who share the name “LOCKHART THOMAS P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ENIRICERCHE SPA

14 patents
US5338465AAug 16, 1994

Aqueous gellable composition with delayed gelling time

ENIRICERCHE SPA56 citations94
US5219476AJun 15, 1993

Gellable aqueous composition and its use in enhanced petroleum recovery

ENIRICERCHE SPA51 citations92
US5143958ASep 1, 1992

Gellable aqueous composition and its use in enhanced petroleum

ENIRICERCHE SPA50 citations92
US5131469AJul 21, 1992

Gellable aqueous compositions and its use in enhanced petroleum recovery

ENIRICERCHE SPA23 citations92
US4986356AJan 22, 1991

Method of removing polymer gels from a petroleum reservoir

ENIRICERCHE SPA45 citations92
US5441928AAug 15, 1995

Aqueous gellable composition containing an anti-syneresis agent

ENIRICERCHE SPA20 citations91
US5219475AJun 15, 1993

Aqueous gellable composition, useful for modifying the permeability of a petroleum reservoir

ENIRICERCHE SPA21 citations91
US5256315AOct 26, 1993

Gellable aqueous compositions containing polymers with special chelating functional groups useful for recovering oil from an oil field

ENIRICERCHE SPA38 citations90
US5261944ANov 16, 1993

Nickel cermet, and process for preparing it

ENIRICERCHE SPA26 citations88
US5100932AMar 31, 1992

Gellable buffered aqueous composition and its use in enhanced petroleum recovery

ENIRICERCHE SPA16 citations73
US5424283AJun 13, 1995

Drilling muds effective at high temperature

ENIRICERCHE SPA7 citations69
US5139766AAug 18, 1992

Process for preparing mixed zirconium and yttrium oxide powders

ENIRICERCHE SPA2 citations61
US5118491AJun 2, 1992

Process for preparing mixed oxides of zirconium and yttrium

ENIRICERCHE SPA6 citations60
US5103057AApr 7, 1992

Acrylamide copolymers containing (meth)acrylamide benzene dicarboxylic units

ENIRICERCHE SPA1 citations50

GEN ELECTRIC

8 patents

ENIRICERCHE S P A AND AGIP S P

1 patent