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John L. Fitch
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Dallas, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Continuous gravity gradient logging
Patent number
4,602,508
Issue date
Jul 29, 1986
Mobil Oil Corporation
John L. Fitch
G01 - MEASURING TESTING
Information
Patent Grant
Method for controlling the vertical growth of hydraulic fractures
Patent number
4,515,214
Issue date
May 7, 1985
Mobil Oil Corporation
John L. Fitch
E21 - EARTH DRILLING MINING
Information
Patent Grant
Solvent flooding to recover viscous oils
Patent number
4,510,997
Issue date
Apr 16, 1985
Mobil Oil Corporation
John L. Fitch
E21 - EARTH DRILLING MINING
Information
Patent Grant
Borehole gravimetry system
Patent number
4,475,386
Issue date
Oct 9, 1984
Mobil Oil Corporation
John L. Fitch
E21 - EARTH DRILLING MINING
Information
Patent Grant
Tubular drill string member with contoured circumferential surface
Patent number
4,465,146
Issue date
Aug 14, 1984
Mobil Oil Corporation
John L. Fitch
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for fracturing a plurality of subterranean formations
Patent number
4,415,035
Issue date
Nov 15, 1983
Mobil Oil Corporation
William L. Medlin
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method of cyclic solvent flooding to recover viscous oils
Patent number
4,385,662
Issue date
May 31, 1983
Mobil Oil Corporation
Lynn D. Mullins
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method of solvent flooding to recover viscous oils
Patent number
4,373,585
Issue date
Feb 15, 1983
Mobil Oil Corporation
John L. Fitch
E21 - EARTH DRILLING MINING
Information
Patent Grant
Tubular drill string member with contoured circumferential surface
Patent number
4,365,678
Issue date
Dec 28, 1982
Mobil Oil Corporation
John L. Fitch
E21 - EARTH DRILLING MINING
Information
Patent Grant
Solvent convection technique for recovering viscous petroleum
Patent number
4,293,035
Issue date
Oct 6, 1981
Mobil Oil Corporation
John L. Fitch
E21 - EARTH DRILLING MINING
Information
Patent Grant
Pipelining particulate solid material as stable foam slurry
Patent number
4,200,413
Issue date
Apr 29, 1980
Mobil Oil Corporation
John L. Fitch
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Thermal energy production by in situ combustion of coal
Patent number
4,019,577
Issue date
Apr 26, 1977
Mobil Oil Corporation
John L. Fitch
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Well completion method for controlling sand production
Patent number
3,987,850
Issue date
Oct 26, 1976
Mobil Oil Corporation
John L. Fitch
E21 - EARTH DRILLING MINING
Information
Patent Grant
Well completion technique for sand control
Patent number
3,983,941
Issue date
Oct 5, 1976
Mobil Oil Corporation
John L. Fitch
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method of transporting ice structure
Patent number
3,931,715
Issue date
Jan 13, 1976
Mobil Oil Corporation
John L. Fitch
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING