1
Flournoy Kenoth H, Cardenas Ricardo L, Haferkamp Gilbert L, Shupe Russell D: Surfactant oil recovery process usable in formations containing water having high concentrations of polyvalent ions such as calcium and magnesium. Texaco, Whaley T H, Reis C G, May 21, 1974: US3811505 (87 worldwide citation)

A dual surfactant system usable in the presence of from about 500 to about 9,000 parts per million polyvalent ions, such as calcium and/or magnesium, and a method of using said surfactant system for recovering petroleum from subterranean formations, said surfactant system comprising a water soluble ...


2
Flournoy Kenoth H, Cardenas Ricardo L, Haferkamp Gilbert L, Shupe Russell D: Surfactant oil recovery process usable in formations containing water having high concentrations of polyvalent ions such as calcium and magnesium. Texaco, Whaley T H, Reis C G, May 21, 1974: US3811504 (75 worldwide citation)

A three component surfactant system usable in the presence of from about 1,500 to about 12,000 parts per million polyvalent ions, such as calcium and/or magnesium, and a method of using said surfactant system for recovering petroleum from subterranean formations, said surfactant system comprising a ...


3
Carlin Joseph T, Flournoy Kenoth H, Cardenas Ricardo L: Surfactant oil recovery process. Texaco, March 12, 1974: US3796266 (15 worldwide citation)

An aqueous solution comprising an alkalinity agent such as sodium hydroxide, a water soluble guanidine salt such as guanidine hydrochloride and an anionic surfactant such as an aliphatic sulfate, specifically dodecyl sulfate or cetyl sulfate, or a water soluble salt of an unsaturated aliphatic monob ...


4
Cardenas Ricardo L, Carlin Joseph T, Flournoy Kenoth H: Surfactant oil recovery process for use in formations containing high concentrations of polyvalent ions such as calcium or magnesium. Texaco, Whaley T H, Ries C G, March 26, 1974: US3799264 (14 worldwide citation)

A surfactant composition usable in the presence of from about 500 to about 5,000 parts per million polyvalent ion concentrations, such as calcium and/or magnesium, comprising a sulfated aliphatic anionic surfactant such as sodium tridecyl sulfate, a water soluble guanidine salt such as guanidine hyd ...


5
Flournoy Kenoth H, Carlin Joseph T, Cardenas Ricardo L: Surfactant oil recovery process. Texaco, Whaley T H, Ries C G, Park Jack H, October 28, 1975: US3915230 (11 worldwide citation)

The efficiency of an oil recovery process of the type wherein an aqueous surfactant solution is injected into a subterranean, petroleum-containing formation is increased by determining the optimum range of salinity and hardness, e.g. calcium and magnesium, for the particular surfactant being used, a ...


6
Carlin Joseph T, Cardenas Ricardo L: Methode destinee a lextraction du petrole a haute teneur dasphalte au moyen dagents tensio-actifs, Method for recovering high asphaltene content petroleum using surfactants. Texaco Development Corporation, September 4, 1979: CA1061532

ABSTRACT OF THE DISCLOSURE Surfactant flooding is frequently ineffective for recoveringhighly asphaltic petroleum because the asphaltic constituents of thepetroleum have a strong affinity for the mineral surfaces such as sandgrains present in the subterranean formation, and so are inefficientlydispl ...


7
Flournoy Kenoth H, Cardenas Ricardo L, Carlin Joseph T: Pipeline pour le transport dhydrocarbures visqueux, Pipeline method for transporting viscous hydrocarbons. Texaco Development Corporation, SMART & BIGGAR, January 27, 1981: CA1094309

ABSTRACT OF THE DISCLOSURE A method for transporting viscous hydrocarbonswhich involves introducing into a pipeline or well-borewith the viscous hydrocarbons a solution containing (1)an anionic surfactant such as sodium tridecyl sulfate,sodium oleate, etc., or an oxyalkylated anionic surfactantof th ...


8

9

10
Alston Robert B, Cardenas Ricardo L: Methode dextraction des petroles visqueux, Viscous oil recovery method. Alston Robert B, Cardenas Ricardo L, Texaco Development Corporation, GOWLING LAFLEUR HENDERSON, January 22, 1991: CA1279258

VISCOUS OIL RECOVERY METHOD (D# 78,631-F) ABSTRACTOur invention concerns a method for treating a wellcompleted in a subterranean petroleum-containing formation whichwill improve the rate at which steam can be injected into theformation for a steam push-pull or steam drive oil recoverymethod. This pr ...