Membership
Tour
Register
Log in
Richard D. Ridley
Follow
Person
Claremont, CA, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
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
Determining the locus of a processing zone in an in situ oil shale...
Patent number
4,344,484
Issue date
Aug 17, 1982
Occidental Oil Shale, Inc.
Richard D. Ridley
E21 - EARTH DRILLING MINING
Information
Patent Grant
Situ retort with high grade fragmented oil shale zone adjacent the...
Patent number
4,239,284
Issue date
Dec 16, 1980
Occidental Oil Shale, Inc.
Richard D. Ridley
E21 - EARTH DRILLING MINING
Information
Patent Grant
In situ oil shale retort with intermediate gas control
Patent number
4,239,283
Issue date
Dec 16, 1980
Occidental Oil Shale, Inc.
Richard D. Ridley
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method of detonating explosives for fragmenting oil shale formation...
Patent number
4,210,366
Issue date
Jul 1, 1980
Occidental Oil Shale, Inc.
Ned M. Hutchins
E21 - EARTH DRILLING MINING
Information
Patent Grant
Gas collection system for oil shale retort
Patent number
4,181,361
Issue date
Jan 1, 1980
Occidental Oil Shale, Inc.
Richard D. Ridley
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method of forming an in situ oil shale retort with void volume as f...
Patent number
4,167,291
Issue date
Sep 11, 1979
Occidental Oil Shale, Inc.
Richard D. Ridley
E21 - EARTH DRILLING MINING
Information
Patent Grant
Ignition of fragmented oil shale below a sill pillar in an in situ...
Patent number
4,153,110
Issue date
May 8, 1979
Occidental Oil Shale, Inc.
Richard D. Ridley
E21 - EARTH DRILLING MINING
Information
Patent Grant
Ground water control for an in situ oil shale retort
Patent number
4,153,297
Issue date
May 8, 1979
Occidental Oil Shale, Inc.
Richard D. Ridley
E21 - EARTH DRILLING MINING
Information
Patent Grant
Two-stage removal of sulfur dioxide from process gas using treated...
Patent number
4,140,181
Issue date
Feb 20, 1979
Occidental Oil Shale, Inc.
Richard D. Ridley
E21 - EARTH DRILLING MINING
Information
Patent Grant
Removing sulfur dioxide from gas streams with retorted oil shale
Patent number
4,125,157
Issue date
Nov 14, 1978
Occidental Oil Shale, Inc.
Richard D. Ridley
E21 - EARTH DRILLING MINING
Information
Patent Grant
Determining the locus of a processing zone in an in situ oil shale...
Patent number
4,120,354
Issue date
Oct 17, 1978
Occidental Oil Shale, Inc.
Richard D. Ridley
E21 - EARTH DRILLING MINING
Information
Patent Grant
Subterranean in situ oil shale retort and method for making and ope...
Patent number
4,118,070
Issue date
Oct 3, 1978
Occidental Oil Shale, Inc.
Gordon B. French
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for preconditioning oil shale preliminary to explosive expan...
Patent number
4,109,964
Issue date
Aug 29, 1978
Occidental Oil Shale, Inc.
Richard D. Ridley
E21 - EARTH DRILLING MINING
Information
Patent Grant
Removal of sulfur dioxide from process gas using treated oil shale...
Patent number
4,093,026
Issue date
Jun 6, 1978
Occidental Oil Shale, Inc.
Richard D. Ridley
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for retorting oil shale at subatmospheric pres...
Patent number
4,076,312
Issue date
Feb 28, 1978
Occidental Oil Shale, Inc.
Chang Yul Cha
E21 - EARTH DRILLING MINING
Information
Patent Grant
In situ recovery of shale oil
Patent number
4,047,760
Issue date
Sep 13, 1977
Occidental Oil Shale, Inc.
Richard D. Ridley
E21 - EARTH DRILLING MINING
Information
Patent Grant
Forming shale oil recovery retort by blasting into slot-shaped colu...
Patent number
4,043,596
Issue date
Aug 23, 1977
Occidental Oil Shale, Inc.
Richard D. Ridley
E21 - EARTH DRILLING MINING
Information
Patent Grant
Enriching off gas from oil shale retort
Patent number
4,036,299
Issue date
Jul 19, 1977
Occidental Oil Shale, Inc.
Chang Yul Cha
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method of enhancing recovery of oil from pillars adjacent in situ o...
Patent number
4,025,115
Issue date
May 24, 1977
Occidental Petroleum Corporation
Gordon B. French
E21 - EARTH DRILLING MINING
Information
Patent Grant
System for fuel and products of oil shale retort
Patent number
4,014,575
Issue date
Mar 29, 1977
Occidental Petroleum Corporation
Gordon B. French
E21 - EARTH DRILLING MINING
Information
Patent Grant
Oil collection and recovery system for in situ oil shale retort
Patent number
4,007,963
Issue date
Feb 15, 1977
Occidental Petroleum Corporation
Richard D. Ridley
E21 - EARTH DRILLING MINING
Information
Patent Grant
Process for in situ oil shale retorting with off gas recycling
Patent number
3,994,343
Issue date
Nov 30, 1976
Occidental Petroleum Corporation
Chang Yul Cha
E21 - EARTH DRILLING MINING
Information
Patent Grant
Process for effecting even retort working fluid flow throughout an...
Patent number
3,951,456
Issue date
Apr 20, 1976
Occidental Petroleum Corporation
Richard D. Ridley
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus for obtaining uniform gas flow through an in situ oil sha...
Patent number
3,941,421
Issue date
Mar 2, 1976
Occidental Petroleum Corporation
Robert S. Burton
E21 - EARTH DRILLING MINING