1
Kirkvold Charles F, Pisio Peter, Anderson Donald J: Methode de recuperation de petrole visqueux dans des sables bitumineux epais, Method of recovering viscous petroleum from thick tar sand. Chevron Research And Technology Company, November 6, 1979: CA1065758 (4 worldwide citation)

ABSTRACT OF THE DISCLOSUREMETHOD OF RECOVERING VISCOUS PETROLEUM FROM THICK TAR SAND Recovery of viscous petroleum such as from thicktar sands is assisted using a closed-loop flow path formedin a well by concentric casing and tubular members extendingfrom the earth's surface through a substantial po ...


2
Duerksen John H, Anderson Donald J, Mccallum Doug J, Petrick Mark: Systeme de production et dinjection a puits unique, Single well injection and production system. Chevron Research And Technology Company, SIM & MCBURNEY, April 18, 1995: CA2058108 (1 worldwide citation)

A method is disclosed for fluid injection and oil productionfrom a single wellbore which includes providing a path ofcommunication between the injection and production zones.


3
Anderson Donald J: Methode daide a lextraction dune nappe de petrole visqueux chauffe, Method of assisting surface lift of heated subsurface viscous petroleum. Chevron Research And Technology Company, SMART & BIGGAR, August 20, 1985: CA1192127 (1 worldwide citation)

ABSTRACT OF THE DISCLOSURE A method and apparatus is described for produc-ing viscous petroleum from a subsurface formation. The apparatus includes a generally horizontal cased well through the subsurface formation with injection and pro-duction tubings within the well. The casing is perforated and ...


4
Anderson Donald J: Procede pour assister la recuperation de petrole dans une formation petrolifere. Chevron Res, April 23, 1982: FR2492452-A1

L'INVENTION CONCERNE UN PROCEDE DE RECUPERATION DE PETROLE VISQUEUX DANS DES FORMATIONS SOUTERRAINES.


5
Pisio Peter, Anderson Donald J, Kirkvold Charles F, Lishman John R: Recuperation du petrole visqueux en presence dans le sable bitumineux dense, Recovering viscous petroleum from thick tar sand. Chevron Research And Technology Company, August 14, 1979: CA1060339

ABSTRACT OF THE DISCLOSURE RECOVERING VISCOUS PETROLEUM FROM THICK TAR SAND Recovery of viscous petroleum such as from thick tar sands is assisted using a closed-loop flow path from the earth's surface through a substantial portion of the forma-tion for conducting hot fluid to reduce the viscosity o ...


6
Pisio Peter, Kirkvold Charles F, Anderson Donald J: Methode dextraction du petrole visqueux des sables bitumineux, Method of recovering viscous petroleum from tar sand. Chevron Research And Technology Company, August 14, 1979: CA1060340

ABSTRACT OF THE DISCLOSUREMETHOD OF RECOVERING VISCOUS PETROLEUM FROM TAR SAND Recovery of viscous petroleum such as from tar sandsis assisted using a substantially vertical passage from theearth's surface which penetrates the tar sand and has exten-ding therefrom a lateral hole containing a flow pa ...


7
Anderson Donald J: Methode dextraction du petrole lourd a laide dun tubage souterrain chauffant perfore a derivation mobile, Method of recovering viscous petroleum employing heated subsurface perforated casing containing a movable diverter. Chevron Research And Technology Company, SMART & BIGGAR, July 17, 1984: CA1170980

ABSTRACT OF THE DISCLOSURE A method is disclosed for recovering viscous petroleum from subsurface formation, such as tar sands, wherein a substantially horizontal, perforated casing is positioned in the formation and a movable diverter is positioned to direct a hot drive fluid out through the perfor ...


8
Anderson Donald J: Procede dextraction du petrole visqueux de certaines formations souterraines, Method of recovering viscous petroleum from an underground formation. Chevron Research And Technology Company, June 26, 1979: CA1057190

ABSTRACT OF THE DISCLOSURE Recovery of viscous petroleum such as from tar sands is assisted using a controlled flow of hot fluid in a flow path within the formation but out of direct contact with the viscous petroleum; thus a solid-wall, hollow tubular member in the formation is used for conducting ...


9
Anderson Donald J, Duerksen John H, Mccallum Doug J, Petrick Mark: Methode de recuperation dhydrocarbures a laide dun systeme dinjection/production a puits unique, Method of recovering hydrocarbons using single well injection/production system. Chevron Research And Technology Company, SIM & MCBURNEY, February 7, 1995: CA2031814

Production of viscous hydrocarbons is initiated by firstinjecting an injection fluid down at least two tubingstrings in a wellbore having multiple tubing stringstherein. Following an initiation phase, flow of injectionfluid in the production tubing string is ceased, andproduction of formation fluid ...