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Grand Junction, CO, US
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Patents Grants
last 30 patents
Information
Patent Grant
Upgrading shale oil by a combination process
Patent number
4,623,444
Issue date
Nov 18, 1986
Occidental Oil Shale, Inc.
Stanley C. Che
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Two-level, horizontal free face mining system for in situ oil shale...
Patent number
4,611,856
Issue date
Sep 16, 1986
Occidental Oil Shale, Inc.
Chang Y. Cha
E21 - EARTH DRILLING MINING
Information
Patent Grant
Upgrading shale oil by a combination process
Patent number
4,605,489
Issue date
Aug 12, 1986
Occidental Oil Shale, Inc.
Ajay Madgavkar
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Method for fully retorting an in situ oil shale retort
Patent number
4,595,056
Issue date
Jun 17, 1986
Occidental Oil Shale, Inc.
Raymond L. Zahradnik
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for control of geometry of fragmented mass in an situ oil sh...
Patent number
4,560,205
Issue date
Dec 24, 1985
Occidental Oil Shale, Inc.
Thomas E. Ricketts
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for explosively expanding a pillar
Patent number
4,560,206
Issue date
Dec 24, 1985
Occidental Oil Shale, Inc.
Thomas E. Ricketts
E21 - EARTH DRILLING MINING
Information
Patent Grant
In situ oil shale retort with controlled permeability for uniform flow
Patent number
4,552,409
Issue date
Nov 12, 1985
Occidental Oil Shale, Inc.
Rex T. Ellington
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for forming uniform flow rubble bed
Patent number
4,533,181
Issue date
Aug 6, 1985
Occidental Oil Shale, Inc.
Thomas E. Ricketts
E21 - EARTH DRILLING MINING
Information
Patent Grant
Stability control in underground workings adjacent an in situ oil s...
Patent number
4,531,783
Issue date
Jul 30, 1985
Occidental Oil Shale, Inc.
Thomas E. Ricketts
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for loading explosive charges into blastholes formed in a su...
Patent number
4,513,665
Issue date
Apr 30, 1985
Occidental Oil Shale, Inc.
Thomas E. Ricketts
F42 - AMMUNITION BLASTING
Information
Patent Grant
Blasthole spacing for control of particle size
Patent number
4,489,983
Issue date
Dec 25, 1984
Occidental Oil Shale, Inc.
Thomas E. Ricketts
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method of forming an in situ oil shale retort in formation with joints
Patent number
4,466,668
Issue date
Aug 21, 1984
Occidental Oil Shale, Inc.
Thomas E. Ricketts
E21 - EARTH DRILLING MINING
Information
Patent Grant
Horizontal free face blasting for minimizing channeling and moundin...
Patent number
4,458,948
Issue date
Jul 10, 1984
Occidental Oil Shale, Inc.
Thomas E. Ricketts
E21 - EARTH DRILLING MINING
Information
Patent Grant
Formation of in situ oil shale retort in plural steps
Patent number
4,458,944
Issue date
Jul 10, 1984
Occidental Oil Shale, Inc.
Robert J. Fernandes
E21 - EARTH DRILLING MINING
Information
Patent Grant
In situ oil shale retort having horizontal voids with side pillars
Patent number
4,453,769
Issue date
Jun 12, 1984
Occidental Oil Shale, Inc.
Thomas E. Ricketts
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for bulking full a retort
Patent number
4,449,753
Issue date
May 22, 1984
Occidental Oil Shale, Inc.
Thomas E. Ricketts
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for forming an in situ oil shale retort in differing grades...
Patent number
4,444,433
Issue date
Apr 24, 1984
Occidental Oil Shale, Inc.
Thomas E. Ricketts
E21 - EARTH DRILLING MINING
Information
Patent Grant
Explosive expansion of formation in lifts for forming an in situ oi...
Patent number
4,443,036
Issue date
Apr 17, 1984
Occidental Oil Shale, Inc.
Thomas E. Ricketts
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for controlling void fraction distribution in an in situ oil...
Patent number
4,443,037
Issue date
Apr 17, 1984
Occidental Oil Shale, Inc.
Thomas E. Ricketts
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for closing a drift between adjacent in situ oil shale retorts
Patent number
4,441,760
Issue date
Apr 10, 1984
Occidental Oil Shale, Inc.
Alex E. Hines
E21 - EARTH DRILLING MINING
Information
Patent Grant
In situ oil shale retort system
Patent number
4,441,759
Issue date
Apr 10, 1984
Occidental Oil Shale, Inc.
Ned M. Hutchins
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for controlling void in an in situ oil shale retort
Patent number
4,440,444
Issue date
Apr 3, 1984
Occidental Oil Shale, Inc.
Thomas E. Ricketts
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for forming an in situ oil shale retort with explosive expan...
Patent number
4,440,447
Issue date
Apr 3, 1984
Occidental Oil Shale, Inc.
Thomas E. Ricketts
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for forming a module of in situ oil shale retorts
Patent number
4,440,446
Issue date
Apr 3, 1984
Occidental Oil Shale, Inc.
Ned M. Hutchins
E21 - EARTH DRILLING MINING
Information
Patent Grant
Fluid outlet at the bottom of an in situ oil shale retort
Patent number
4,440,445
Issue date
Apr 3, 1984
Occidental Oil Shale, Inc.
Ned M. Hutchins
E21 - EARTH DRILLING MINING
Information
Patent Grant
Reduction of shale oil pour point
Patent number
4,437,519
Issue date
Mar 20, 1984
Occidental Oil Shale, Inc.
Chang Y. Cha
E21 - EARTH DRILLING MINING
Information
Patent Grant
In situ oil shale retort with differing upper and lower void fractions
Patent number
4,435,017
Issue date
Mar 6, 1984
Occidental Oil Shale, Inc.
Thomas E. Ricketts
E21 - EARTH DRILLING MINING
Information
Patent Grant
In situ recovery of shale oil
Patent number
4,423,907
Issue date
Jan 3, 1984
Occidental Oil Shale, Inc.
Richard D. Ridley
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method of forming an in situ oil shale retort
Patent number
4,423,906
Issue date
Jan 3, 1984
Occidental Oil Shale, Inc.
Irving G. Studebaker
E21 - EARTH DRILLING MINING
Information
Patent Grant
Formation of an in situ oil shale retort with control of mounding
Patent number
4,423,908
Issue date
Jan 3, 1984
Occidental Oil Shale, Inc.
Thomas E. Ricketts
E21 - EARTH DRILLING MINING
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