Inventor
RIDLEY RICHARD D
25 patents
⚠️ This page may combine multiple inventors who share the name “RIDLEY RICHARD D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OCCIDENTAL OIL SHALE INC
19 patentsUS4140181AFeb 20, 1979
Two-stage removal of sulfur dioxide from process gas using treated oil shale
OCCIDENTAL OIL SHALE INC239 citations99
US4093026AJun 6, 1978
Removal of sulfur dioxide from process gas using treated oil shale and water
OCCIDENTAL OIL SHALE INC281 citations99
US4423907AJan 3, 1984
In situ recovery of shale oil
OCCIDENTAL OIL SHALE INC59 citations96
US4239283ADec 16, 1980
In situ oil shale retort with intermediate gas control
OCCIDENTAL OIL SHALE INC38 citations92
US4167291ASep 11, 1979
Method of forming an in situ oil shale retort with void volume as function of kerogen content of formation within retort site
OCCIDENTAL OIL SHALE INC46 citations92
US4047760ASep 13, 1977
In situ recovery of shale oil
OCCIDENTAL OIL SHALE INC48 citations92
US4043596AAug 23, 1977
Forming shale oil recovery retort by blasting into slot-shaped columner void
OCCIDENTAL OIL SHALE INC20 citations82
US4036299AJul 19, 1977
Enriching off gas from oil shale retort
OCCIDENTAL OIL SHALE INC29 citations82
US4344484AAug 17, 1982
Determining the locus of a processing zone in an in situ oil shale retort through a well in the formation adjacent the retort
OCCIDENTAL OIL SHALE INC8 citations74
US4153110AMay 8, 1979
Ignition of fragmented oil shale below a sill pillar in an in situ oil shale retort
OCCIDENTAL OIL SHALE INC7 citations74
US4118070AOct 3, 1978
Subterranean in situ oil shale retort and method for making and operating same
OCCIDENTAL OIL SHALE INC9 citations74
US4109964AAug 29, 1978
Method for preconditioning oil shale preliminary to explosive expansion and in situ retorting thereof
OCCIDENTAL OIL SHALE INC9 citations74
US4076312AFeb 28, 1978
Method and apparatus for retorting oil shale at subatmospheric pressure
OCCIDENTAL OIL SHALE INC16 citations74
US4120354AOct 17, 1978
Determining the locus of a processing zone in an in situ oil shale retort by pressure monitoring
OCCIDENTAL OIL SHALE INC14 citations73
US4239284ADec 16, 1980
Situ retort with high grade fragmented oil shale zone adjacent the lower boundary
OCCIDENTAL OIL SHALE INC13 citations71
US4153297AMay 8, 1979
Ground water control for an in situ oil shale retort
OCCIDENTAL OIL SHALE INC5 citations63
US4125157ANov 14, 1978
Removing sulfur dioxide from gas streams with retorted oil shale
OCCIDENTAL OIL SHALE INC5 citations63
US4210366AJul 1, 1980
Method of detonating explosives for fragmenting oil shale formation toward a vertical free face
OCCIDENTAL OIL SHALE INC6 citations62
US4181361AJan 1, 1980
Gas collection system for oil shale retort
OCCIDENTAL OIL SHALE INC6 citations60
OCCIDENTAL PETROLEUM CORP
6 patentsUS3941421AMar 2, 1976
Apparatus for obtaining uniform gas flow through an in situ oil shale retort
OCCIDENTAL PETROLEUM CORP182 citations99
US4014575AMar 29, 1977
System for fuel and products of oil shale retort
OCCIDENTAL PETROLEUM CORP150 citations96
US3994343ANov 30, 1976
Process for in situ oil shale retorting with off gas recycling
OCCIDENTAL PETROLEUM CORP29 citations82
US4025115AMay 24, 1977
Method of enhancing recovery of oil from pillars adjacent in situ oil shaft retort
OCCIDENTAL PETROLEUM CORP9 citations74
US4007963AFeb 15, 1977
Oil collection and recovery system for in situ oil shale retort
OCCIDENTAL PETROLEUM CORP11 citations74
US3951456AApr 20, 1976
Process for effecting even retort working fluid flow throughout an in situ retort containing carbonaceous deposits
OCCIDENTAL PETROLEUM CORP12 citations74