1
Frank W Slater, Dale Fuqua: Secondary recovery method and system for oil wells using solar energy. Clarence A O Brien, Harvey B Jacobson, November 20, 1979: US04174752 (30 worldwide citation)

A method for heating recovered crude oil at the site of recovery thereof and injecting at least a portion of such heated crude oil back into the oil formation in order to reduce the viscosity of oil remaining in the oil formation, the invention facilitates recovery of the remaining oil and renders t ...


2
Maddox Jr Jim, Tate Jack F, Shupe Russell D: Secondary recovery method. Texaco, Whaley T H, Ries C G, Young James F, November 4, 1975: US3916994 (15 worldwide citation)

Significant improvement in the recovery of hydrocarbons from a subterranean hydrocarbon-bearing formation containing acid-soluble components is accomplished by injecting into the formation via an injection well drilled into a formation communicating with an adjacent producing well and containing aci ...


3
Frank W Slater, Dale Fuqua: Secondary recovery method and system using solar energy and concentric tank separator. Harvey B Jacobson, February 10, 1981: US04249605 (13 worldwide citation)

A secondary oil recovery method and system utilizing a concentric tank arrangement receiving crude oil from an oil well in the inner tank thereof with the crude oil being heated by a solar furnace to facilitate separation of water, oil and gas with the water being disposed within the outer tank for ...


4
Tate Jack F: Secondary recovery process utilizing polyvinylpyrrolidones. Texaco, Whaley Thomas H, Ries Carl G, Hunter Walter D, December 23, 1975: US3927717 (11 worldwide citation)

Significant improvement in the recovery of hydrocarbons from a subterranean hydrocarbon-bearing formation is accomplished by injecting into the formation via an injection well drilled into a formation communicating with an adjacent producing well and containing sandstone and clay components an aqueo ...


5
Tate Jack F: Secondary recovery method. Texaco, April 3, 1973: US3724544 (11 worldwide citation)

Significant improvement in the recovery of hydrocarbons from a subterranean hydrocarbon-bearing formation containing acid-soluble components is accomplished by injecting into the formation via an injection well drilled into a formation communicating with an adjacent producing well and containing aci ...


6
Christopher Charles A, Allen Joseph C, Kolaian Jack H: Secondary recovery method. Texaco, Whaley Thomas H, Reis C G, June 18, 1974: US3817330 (9 worldwide citation)

A novel method of secondary recovery of oil from subterranean reservoirs is provided wherein a fluid is used to drive the oil in the reservoir to production wells. This driving fluid is a mixture of water and colloidal silica. The driving fluid has a mobility ratio relative to the oil in the reservo ...


7
Shupe Russell D, Maddox Jr Jim, Tate Jack F: Secondary recovery method. Texaco, Whaley T H, Ries C G, Young James F, November 4, 1975: US3916996 (8 worldwide citation)

Significant improvement in the recovery of hydrocarbons from a subterranean hydrocarbon-bearing formation containing acid-soluble components is accomplished by injecting into the formation via an injection well drilled into a formation communicating with an adjacent producing well and containing aci ...


8
Walter D Hunter: Secondary recovery method. Texaco Development, Carl G Ries, Jack H Park, Walter D Hunter, February 7, 1984: US04430481 (8 worldwide citation)

Hydrocarbons are recovered from a subterranean hydrocarbon-bearing formation penetrated by an injection well and a production well by displacing hydrocarbons toward the production well using a drive fluid such as water or brine, thickened with a copolymer of acrylamide and diacetone acrylamide alkox ...


9
Shupe Russell D, Maddox Jr Jim, Tate Jack F: Secondary recovery method. Texaco, Whaley T H, Ries C G, Young James F, November 4, 1975: US3916995 (7 worldwide citation)

Significant improvement in the recovery of hydrocarbons from a subterranean hydrocarbon-bearing formation containing acid-soluble components is accomplished by injecting into the formation via an injection well drilled into a formation communicating with an adjacent producing well and containing aci ...


10
Tate Jack F, Maddox Jr Jim: Secondary recovery method. Texaco, Whaley Thomas H, Ries Carl G, Young James F, December 23, 1975: US3927718 (6 worldwide citation)

Significant improvement in the recovery of hydrocarbons from a subterranean hydrocarbon-bearing formation containing acid-soluble components is accomplished by injecting into the formation via an injection well drilled into a formation communicating with an adjacent producing well and containing aci ...