1
Howard J Rowland, Joseph T deBettencourt: Situ processing of organic ore bodies. Raytheon Company, M D Bartlett, J D Pannone, H W Arnold, April 1, 1980: US04196329 (63 worldwide citation)

Apparatus for fracturing and/or heating subsurface formations wherein an alternating current electric field is produced in the frequency range between 100 kilohertz and 100 megahertz between electrodes spaced apart in the formation and a radio frequency generator supplying a voltage between said lin ...


2
Howard J Rowland, Joseph T deBettencourt: In situ processing of organic ore bodies. Raytheon Company, Milton D Bartlett, Joseph D Pannone, Herbert W Arnold, March 23, 1982: US04320801 (55 worldwide citation)

A method and apparatus for fracturing and/or heating subsurface formations wherein an alternating current electric field is produced in the frequency range between 100 kilohertz and 100 meghertz between electrodes spaced apart in the formation and a radio frequency generator supplying a voltage betw ...


3
Howard J Rowland, Joseph T DEBettencourt: In situ processing of organic ore bodies. Raytheon Company, M D Bartlett, J D Pannone, H W Arnold, January 23, 1979: US04135579 (50 worldwide citation)

A method and apparatus for fracturing and/or heating subsurface formations wherein an alternating current electric field is produced in the frequency range between 100 kilohertz and 100 meghertz between electrodes spaced apart in the formation and a radio frequency generator supplying a voltage betw ...