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Harold J Vinegar, Thomas Mikus, John Michael Karanikas, Scott Lee Wellington: Heater well method and apparatus. Shell Oil Company, May 2, 2000: US06056057 (302 worldwide citation)

A method and apparatus is disclosed for heating of formations using fired heaters. Each fired heater may consist of two concentric tubulars emplaced in the formation, connected via a wellhead to a burner at the surface. Combustion gases from the burner go down to the bottom of the inner tubular and ...


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Thomas Mikus, Scott Lee Wellington, John Michael Karanikas, Harold J Vinegar: Heater well method and apparatus. Shell Oil Company, Del S Christensen, June 27, 2000: US06079499 (294 worldwide citation)

A method and apparatus is disclosed for heating of formations using fired heaters. The method includes the steps of:


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Scott Lee Wellington, Thomas Mikus, Harold J Vinegar, John Michael Karanikas: Flameless combustor. Shell Oil Company, Del S Christensen, January 26, 1999: US05862858 (290 worldwide citation)

A combustor method and apparatus is provided. The method utilizes flameless combustion. The absence of a flame eliminates the flame as a radiant heat source and results in a more even temperature distribution throughout the length of the burner. Flameless combustion is accomplished by preheating the ...


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Scott Lee Wellington, Thomas Mikus, Harold J Vinegar, John Michael Karanikas: Flameless combustor. Shell Oil Company, May 4, 1999: US05899269 (288 worldwide citation)

A combustor method and apparatus is provided. The method utilizes flameless combustion with one or more of three improvements to enhance ignition of the flameless combustor. A catalytic surface can be provided within a combustion chamber to provide flameless combustion at least in the vicinity of th ...


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Scott Lee Wellington, Thomas Mikus, Harold J Vinegar, John Michael Karanikas: Flameless combustor. Shell Oil Company, February 1, 2000: US06019172 (274 worldwide citation)

A combustor method and apparatus is provided. The method utilizes flameless combustion with one or more of three improvements to enhance ignition of the flameless combustor. A catalytic surface can be provided within a combustion chamber to provide flameless combustion at least in the vicinity of th ...


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Kevin Albert Maher, Ilya Emil Berchenko, Eric Pierre de Rouffignac, John Michael Karanikas, Harold J Vinegar, Scott Lee Wellington, Etuan Zhang: In situ recovery from a kerogen and liquid hydrocarbon containing formation. Shell Oil Company, March 14, 2006: US07011154 (272 worldwide citation)

In an embodiment, a method of treating a kerogen and liquid hydrocarbon containing formation in situ may include providing heat from one or more heat sources to at least a portion of the formation. Heat may be allowed to transfer from the one or more heat sources to a part of the formation. In some ...


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Harold J Vinegar, Ilya Emil Berchenko, Eric Pierre de Rouffignac, John Michael Karanikas, Kevin Albert Maher, George Leo Stegemeier, Gordon Thomas Shahin Jr, Scott Lee Wellington: In situ thermal processing of a heavy oil diatomite formation. Shell Oil Company, September 12, 2006: US07104319 (256 worldwide citation)

An in situ process for treating a diatomite formation is provided. The process may include providing heat from one or more heaters to at least a portion of the formation. The heat may be allowed to transfer from the one or more heaters to a part of the formation such that heat from the one or more h ...