1
Guggilam C Sresty, Richard H Snow, Jack E Bridges: Recovery of liquid hydrocarbons from oil shale by electromagnetic heating in situ. IIT Research Institute, Fitch Even Tabin & Flannery, December 4, 1984: US04485869 (315 worldwide citation)

A method of electromagnetic heating in situ recovers liquid hydrocarbons from an oil shale formation containing kerogen in an inorganic matrix where the formation is substantially impermeable to fluids under native conditions. A block of the oil shale formation is substantially uniformly heated in s ...


2
Jack E Bridges: Electrical heating of mineral well deposits using downhole impedance transformation networks. Uentech Corporation, Dorn McEachran Jambor & Keating, April 15, 1997: US05621844 (308 worldwide citation)

A.C. electrical heating system for heating a fluid reservoir (deposit) in the vicinity of a mineral fluid well, usually an oil well, utilizes A.C. electrical power in a range of 25 Hz to 30 KHz. The well has a borehole extending down through an overburden and into a subterranean fluid (oil) reservoi ...


3
Jack E Bridges, Allen Taflove, Guggilam C Sresty: Single well stimulation for the recovery of liquid hydrocarbons from subsurface formations. IIT Research Institute, Fitch Even Tabin & Flannery, June 25, 1985: US04524827 (298 worldwide citation)

Water is vaporized in an annular upper region of a subsurface formation into which borehole extends from the surface. This creates a substantially nonconducting dielectric in such region extending outwardly from the borehole. Such vaporization is preferably achieved by the application of electrical ...


4
Jack E Bridges, George T Dubiel: Power sources for downhole electrical heating. Uentech Corporation, Kinzer Plyer Dorn McEachran & Jambor, March 31, 1992: US05099918 (272 worldwide citation)

Electrical power sources and systems for heating in or adjacent to an oil well or other mineral well, or for heating other earth media, each comprising an A.C. heating generator that generates an A.C. heating current at a selected heating frequency substantially different from the conventional 50/60 ...


5
Jack E Bridges: Low flux leakage cables and cable terminations for A.C. electrical heating of oil deposits. Uentech Corporation, Dorn McEachran Jambor & Keating, February 3, 1998: US05713415 (263 worldwide citation)

Low-flux-leakage cables and cable terminations for an A.C. electrical heating system that heats a fluid reservoir around a mineral fluid well, usually an oil well; the system utilizes A.C. electrical heating power in a range of 25 to 1000 Hz. The well has a borehole extending down through overburden ...


6
Jack E Bridges: Selective excitation of heating electrodes for oil wells. EOR International, Dorn McEachran Jambor & Keating, May 12, 1998: US05751895 (243 worldwide citation)

A control for an electrical heating system that enhances production from an oil well, particularly a horizontal oil well; the well includes an initial well bore extending downwardly from the surface of the earth through one or more overburden formations and into communication with a producing well b ...


7
Jack E Bridges: Apparatus and method for in situ controlled heat processing of hydrocarbonaceous formations with a controlled parameter line. IIT Research Institute, Fitch Even Tabin & Flannery, February 12, 1985: US04498535 (240 worldwide citation)

A system and method provide for preferential in situ heating of earth formations. A plurality of elongated conductive electrodes are emplaced in earth formations in respective spaced rows bounding a particular volume of the earth formations and forming a transmission line, preferably a triplate line ...


8
Jack E Bridges: Optimum oil-well casing heating. Uentech International Corporation, Cook Alex McFarron Manzo Cummings & Mehler, March 5, 2002: US06353706 (229 worldwide citation)

An electrical heating method and apparatus for minerals wells having a metallic fluid admission section located adjacent a hydrocarbonaceous reservoir of a heterogeneous reservoir that has at least two longitudinally spaced producing intervals having different thermal heat transfer characteristic. T ...


9
Jack E Bridges, Allen Taflove: Conduction heating of hydrocarbonaceous formations. IIT Research Institute, Fitch Even Tabin & Flannery, October 8, 1985: US04545435 (212 worldwide citation)

A waveguide structure is emplanted in the earth to bound a particular volume of an earth formation with a waveguide structure formed of respective rows of discrete elongated electrodes wherein the spacing between rows is greater than the distance between electrodes in a respective row and in the cas ...


10
Jack E Bridges, Vincent Young: Heating system for rathole oil well. ORS Development Corporation, Kinzer Plyer Dorn McEachran & Jambor, April 18, 1989: US04821798 (169 worldwide citation)

An electrical heating system for an oil well of the kind comprising a well bore extending through and below an oil producing formation to afford a rathole of substantial depth, the well including an electrically conductive first casing section from the earth surface down through the overburden, an e ...



Click the thumbnails below to visualize the patent trend.