1
John H Duerksen: Method for in-situ heated annulus refining process. Chevron Research and Technology Company, Edward J Keeling, David J Power, September 8, 1992: US05145003 (238 worldwide citation)

Recovery of viscous petroleum such as from tar sands is assisted using a controlled flow of hot fluid and hydrogen-generating gas in a flow path within the formation; thus a solid-wall hollow tubular member in the formation is used for conducting hot fluid to promote hydrogenation in conjunction wit ...


2
John H Duerksen: In-situ heated annulus refining process. Chevron Research and Technology Company, Edward J Keeling, Annette M McGarry, October 8, 1991: US05054551 (220 worldwide citation)

Recovery of viscous petroleum such as from tar sands is assisted using a controlled flow of hot fluid and hydrogen-containing gas in a flow path within the formation; thus a solid-wall hollow tubular member in the formation is used for conducting hot fluid to promote hydrogenation in conjunction wit ...


3
Duerksen John H: Methode et dispositif daffinage a chaud in situ, Method and apparatus for in-situ heated annulus refining process. Chevron Research And Technology Company, SIM & MCBURNEY, May 9, 1995: CA2071351

Recovery of viscous petroleum such as from tar sands isassisted using a controlled flow of hot fluid andhydrogen-generating gas in a flow path within the formation;thus a solid-wall hollow tubular member in the formation isused for conducting hot fluid to promote hydrogenation inconjunction with a h ...


4
Duerksen John H: Procede de raffinage in situ, In-situ heated annulus refining process. Chevron Research And Technology Company, SIM & MCBURNEY, May 30, 1995: CA2047653

Recovery of viscous petroleum such as from tar sands isassisted using a controlled flow of hot fluid and hydrogen-containing gas in a flow path within the formation; thus asolid-wall hollow tubular member in the formation is usedfor conducting hot fluid to promote hydrogenation inconjunction with a ...



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