1
Luther T Porter: Advancing heated annulus steam drive. Chevron Research Company, G W Wasson, L S Gruber, Edward J Keeling, July 17, 1984: US04460044 (209 worldwide citation)

A method is disclosed for producing viscous petroleum from subsurface deposits. The method employs a vertical well and a horizontal well through the petroleum deposit. A combination of injection procedures through the horizontal and vertical well heat the viscous petroleum in the annulus around the ...


2
Porter Luther T: Extraction du petrole par chasse a la vapeur a la peripherie de linjecteur, Advancing heated annulus steam drive. Chevron Research And Technology Company, SMART & BIGGAR, March 4, 1986: CA1201377

ABSTRACT OF THE DISCLOSURE A method is disclosed for producing viscous petroleum from subsurface deposits. The method employs a vertical well and a horizontal well through the petroleum deposit. A combination of injection procedures through the horizontal and vertical well heat the viscous petrol-eu ...