P

Inventor

ALLEN JOSEPH C

US48 patents
⚠️ This page may combine multiple inventors who share the name “ALLEN JOSEPH C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TEXACO INC

44 patents
US4277580AJul 7, 1981

Terpolymer of N-vinyl pyrrolidone in alkoxylated form

TEXACO INC57 citations96
US4026358AMay 31, 1977

Method of in situ recovery of viscous oils and bitumens

TEXACO INC62 citations96
US4008764AFeb 22, 1977

Carrier gas vaporized solvent oil recovery method

TEXACO INC100 citations96
US4007785AFeb 15, 1977

Heated multiple solvent method for recovering viscous petroleum

TEXACO INC74 citations95
US3954141AMay 4, 1976

Multiple solvent heavy oil recovery method

TEXACO INC74 citations95
US4099568AJul 11, 1978

Method for recovering viscous petroleum

TEXACO INC48 citations93
US4068716AJan 17, 1978

Oil recovery process utilizing aromatic solvent and steam

TEXACO INC51 citations93
US4133384AJan 9, 1979

Steam flooding hydrocarbon recovery process

TEXACO INC42 citations92
US4109720AAug 29, 1978

Combination solvent-noncondensible gas injection method for recovering petroleum from viscous petroleum-containing formations including tar sand deposits

TEXACO INC47 citations92
US4450913AMay 29, 1984

Superheated solvent method for recovering viscous petroleum

TEXACO INC59 citations89
US4078608AMar 14, 1978

Thermal oil recovery method

TEXACO INC50 citations87
US4186800AFeb 5, 1980

Process for recovering hydrocarbons

TEXACO INC24 citations82
US4124074ANov 7, 1978

Method for forming a gravel pack in tar sands

TEXACO INC25 citations82
US4071458AJan 31, 1978

Oil displacement fluid containing a solubilizing agent

TEXACO INC24 citations82
US4048078ASep 13, 1977

Oil recovery process utilizing air and superheated steam

TEXACO INC30 citations82
US4044831AAug 30, 1977

Secondary recovery process utilizing water saturated with gas

TEXACO INC30 citations82
US3989108ANov 2, 1976

Water exclusion method for hydrocarbon production wells using freezing technique

TEXACO INC23 citations82
US4141415AFeb 27, 1979

Method of recovering hydrocarbons by improving the vertical conformance in heavy oil formations

TEXACO INC25 citations81
US4124071ANov 7, 1978

High vertical and horizontal conformance viscous oil recovery method

TEXACO INC28 citations81
US3993555ANov 23, 1976

Method of separating bitumen from tar sand with cold solvent

TEXACO INC26 citations81
US4233166ANov 11, 1980

Composition for recovering hydrocarbons

TEXACO INC15 citations74
US4219429AAug 26, 1980

Composition and process for stimulating well production

TEXACO INC16 citations74
US4210205AJul 1, 1980

Secondary recovery process

TEXACO INC12 citations74
US4156462AMay 29, 1979

Hydrocarbon recovery process

TEXACO INC9 citations74
US4127171ANov 28, 1978

Method for recovering hydrocarbons

TEXACO INC11 citations74
US4110224AAug 29, 1978

Secondary recovery process utilizing water saturated with gas

TEXACO INC16 citations74
US4098336AJul 4, 1978

Oil recovery process utilizing air and superheated steam

TEXACO INC8 citations74
US4083404AApr 11, 1978

Oil recovery process utilizing air and superheated steam

TEXACO INC14 citations74
US4024915AMay 24, 1977

Recovery of viscous oil by unheated air injection, followed by in situ combustion

TEXACO INC19 citations74
US4022278AMay 10, 1977

Recovery of oil by a vertical miscible flood

TEXACO INC11 citations74
US3978926ASep 7, 1976

Recovery of bitumens by imbibition flooding

TEXACO INC15 citations74
US3964546AJun 22, 1976

Thermal recovery of viscous oil

TEXACO INC18 citations74
US3954139AMay 4, 1976

Secondary recovery by miscible vertical drive

TEXACO INC14 citations74
US4126182ANov 21, 1978

Method for decreasing resistance to flow of crude oil up from a well or through a pipeline

TEXACO INC13 citations73
US4100967AJul 18, 1978

System for decreasing resistance to flow of crude oil up from a well or through a pipeline

TEXACO INC13 citations73
US4059152ANov 22, 1977

Thermal recovery method

TEXACO INC13 citations73
US3991828ANov 16, 1976

Thermal recovery method

TEXACO INC8 citations73
US4249607AFeb 10, 1981

Miscible displacement oil recovery method

TEXACO INC6 citations63
US4203853AMay 20, 1980

Fluid for recovering hydrocarbons

TEXACO INC4 citations63
US3987853AOct 26, 1976

Method for increasing the oil recovery from active water drive reservoirs

TEXACO INC4 citations63
US4237017ADec 2, 1980

Steam flooding hydrocarbon recovery composition

TEXACO INC3 citations62
US4042027AAug 16, 1977

Recovery of petroleum from viscous asphaltic petroleum containing formations including tar sand deposits

TEXACO INC4 citations61
US3981362ASep 21, 1976

In-situ combustion method for the recovery of hydrocarbons

TEXACO INC6 citations60
US4639596AJan 27, 1987

Petroleum reservoir flooding method

TEXACO INC3 citations54

HEAVY OIL PROCESS INC

2 patents

WORLD ENERGY SYSTEMS INC

1 patent

BARBER HEAVY OIL PROCESS INC

1 patent