Electronic University Archive
 
Filters: Publication Type: "patent" Year End: 2016
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TitleDateType
51 Process for upgrading tar sand bitumen1989-02-14
52 Process to separate bituminous material from sand (tar sands)1982-08-03
53 Production of bitumen from a tar sand formation1976-05-25
54 Recovering hydrocarbons from tar sand or heavy oil reservoirs1994-06-07
55 Recovering viscous petroleum from thick tar sand1976-11-30
56 Recovery of bitumen from tar sand1981-02-10
57 Recovery of heavy crude oil or tar sand oil or bitumen from underground formations1992-09-08
58 Recovery of heavy crude oil or tar sand oil or bitumen from underground formations1989-07-11
59 Recovery of petroleum from viscous asphaltic petroleum containing formations including tar sand deposits1977-08-16
60 Recycle of secondary froth in the hot water process for extracting bitumen from tar sand1988-10-11
61 Separation of bitumen from dry tar sands1978-10-17
62 Separation of solids from tar sands extract1978-06-13
63 Simultaneous upgrading of tar sand bitumen and coal by corefining1988-08-16
64 Solvent extraction of tar sand1979-02-13
65 Solvent extraction process for recovering bitumen from tar sand1987-06-30
66 Supercritical tar sand extraction1982-07-27
67 System for handling the underflow from a primary separation vessel in the tar sand hot water process1978-08-08
68 System for recovering viscous petroleum from thick tar sand1977-04-26
69 Tar sand processing apparatus1976-04-20
70 Tar sand production using thermal stimulation1985-04-02
71 Thermal drainage process for recovering hot water-swollen oil from a thick tar sand1987-05-26
72 Treatment of primary tailings and middlings from the hot water extraction process for recovering bitumen from tar sand1985-10-08
73 Use of a submersible viscometer in the primary separation step of the hot water process for recovery of bitumen from tar sand1987-01-20Text
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