Richard D. Hutchins

Person

Placentia, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Ultra-high temperature stable gels
- Patent number 5,957,203
- Issue date Sep 28, 1999
- Union Oil Company of California
- Richard D. Hutchins
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Ultra-high temperature stable gels
- Patent number 5,762,141
- Issue date Jun 9, 1998
- Union Oil Company of California
- Richard D. Hutchins
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for modifying gelation time of organically crosslinked, aque...
- Patent number 5,617,920
- Issue date Apr 8, 1997
- Union Oil Company of California
- Hoai T. Dovan
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
High temperature stable gels
- Patent number 5,486,312
- Issue date Jan 23, 1996
- Union Oil Company of California
- Burton B. Sandiford
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Composition for selectively reducing subterranean formation permeab...
- Patent number 5,418,217
- Issue date May 23, 1995
- Union Oil Company of California
- Richard D. Hutchins
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for delaying gelation of a gelable polymer composition injec...
- Patent number 5,335,733
- Issue date Aug 9, 1994
- Union Oil Company of California
- Burton B. Sandiford
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for inhibiting caustic flood breakthrough
- Patent number 5,291,949
- Issue date Mar 8, 1994
- Union Oil Company of California
- Hoai T. Dovan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Gel-forming composition
- Patent number 5,268,112
- Issue date Dec 7, 1993
- Union Oil Company of California
- Richard D. Hutchins
- E21 - EARTH DRILLING MINING
Information Patent Grant
Crosslinked hydroxyethylcellulose and its uses
- Patent number 5,263,540
- Issue date Nov 23, 1993
- Union Oil Company of California
- Hoai T. Dovan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Enhanced imbibition oil recovery process
- Patent number 5,247,993
- Issue date Sep 28, 1993
- Union Oil Company of California
- A. M. Sam Sarem
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tracer chemicals for use in monitoring subterranean fluids
- Patent number 5,246,860
- Issue date Sep 21, 1993
- Union Oil Company of California
- Richard D. Hutchins
- G01 - MEASURING TESTING
Information Patent Grant
High temperature stable gels
- Patent number 5,246,073
- Issue date Sep 21, 1993
- Union Oil Company of California
- Burton B. Sandiford
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Lanthanide-crosslinked polymers for subterranean injection
- Patent number 5,244,042
- Issue date Sep 14, 1993
- Union Oil Company of California
- Hoai T. Dovan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Recovery system containing lanthanide-crosslinked polymers
- Patent number 5,226,480
- Issue date Jul 13, 1993
- Union Oil Company of California
- Hoai T. Dovan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Visible gels prepared using stainless steel as a crosslinking agent
- Patent number 5,225,090
- Issue date Jul 6, 1993
- Union Oil Company of California
- Richard D. Hutchins
- E21 - EARTH DRILLING MINING
Information Patent Grant
Lanthanide-crosslinked polymers for subterranean fluid containment
- Patent number 5,211,858
- Issue date May 18, 1993
- Union Oil Company of California
- Hoai T. Dovan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Crosslinked hydroxyethylcellulose and its uses
- Patent number 5,207,934
- Issue date May 4, 1993
- Union Oil Company of California
- Hoai T. Dovan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Foamed gels having selective permeability
- Patent number 5,203,834
- Issue date Apr 20, 1993
- Union Oil Company of California
- Richard D. Hutchins
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for reducing water production from wells
- Patent number 5,161,615
- Issue date Nov 10, 1992
- Union Oil Company of California
- Richard D. Hutchins
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method for selectively reducing subterranean water permeability
- Patent number 5,145,012
- Issue date Sep 8, 1992
- Union Oil Company of California
- Richard D. Hutchins
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for ensuring injectivity of polymer solutions
- Patent number 5,139,087
- Issue date Aug 18, 1992
- Union Oil Company of California
- Richard D. Hutchins
- E21 - EARTH DRILLING MINING
Information Patent Grant
Composition for selectively reducing subterranean formation permeab...
- Patent number 5,125,456
- Issue date Jun 30, 1992
- Union Oil Company of California
- Richard D. Hutchins
- E21 - EARTH DRILLING MINING
Information Patent Grant
Crosslinked hydroxyethylcellulose and its uses
- Patent number 5,111,886
- Issue date May 12, 1992
- Union Oil Company of California
- Hoai T. Dovan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Continuous permeability reduction in subterranean reservoirs
- Patent number 4,783,492
- Issue date Nov 8, 1988
- Union Oil Company of California
- Hoai T. Dovan
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method for emplacement of a gelatinous foam in gas flooding enhance...
- Patent number 4,694,906
- Issue date Sep 22, 1987
- Union Oil Company of California
- Richard D. Hutchins
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Continuous permeability reduction in subterranean reservoirs
- Patent number 4,534,412
- Issue date Aug 13, 1985
- Union Oil Company of California
- Hoai T. Dovan
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Permeability reduction in subterranean reservoirs
- Patent number 4,413,680
- Issue date Nov 8, 1983
- Union Oil Company of California
- Burton B. Sandiford
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Richard D. Hutchins

Person

Patents Grantslast 30 patents

Ultra-high temperature stable gels

Ultra-high temperature stable gels

Method for modifying gelation time of organically crosslinked, aque...

High temperature stable gels

Composition for selectively reducing subterranean formation permeab...

Method for delaying gelation of a gelable polymer composition injec...

Method for inhibiting caustic flood breakthrough

Gel-forming composition

Crosslinked hydroxyethylcellulose and its uses

Enhanced imbibition oil recovery process

Tracer chemicals for use in monitoring subterranean fluids

High temperature stable gels

Lanthanide-crosslinked polymers for subterranean injection

Recovery system containing lanthanide-crosslinked polymers

Visible gels prepared using stainless steel as a crosslinking agent

Lanthanide-crosslinked polymers for subterranean fluid containment

Crosslinked hydroxyethylcellulose and its uses

Foamed gels having selective permeability

Method for reducing water production from wells

Method for selectively reducing subterranean water permeability

Method for ensuring injectivity of polymer solutions

Composition for selectively reducing subterranean formation permeab...

Crosslinked hydroxyethylcellulose and its uses

Continuous permeability reduction in subterranean reservoirs

Method for emplacement of a gelatinous foam in gas flooding enhance...

Continuous permeability reduction in subterranean reservoirs

Permeability reduction in subterranean reservoirs