Electronic University Archive
 
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TitleDateType
26 Method for filtering solvent and tar sand mixtures1985-09-03Text
27 Method for recovering bitumen from tar sand1982-05-25Text
28 Method for treating a tar sand reservoir to enhance petroleum production by cyclic steam stimulation1986-08-26Text
29 Method of extracting liquid and gaseous fuel from oil shale and tar sand1981-05-12Text
30 Method of processing oil-shale or tar sand1982-03-16
31 Method of producing tar sand deposits containing conductive layers1990-05-22Text
32 Method of recovering viscous petroleum from tar sand1976-11-30Text
33 Method of recovering viscous petroleum from thick tar sand1977-02-22Text
34 Method of recovery of bitumen from tar sand formations1977-01-18Text
35 Method of reducing moisture and solid content of bitumen extracted from tar sand minerals2000-02-01Text
36 Method of removing bitumen from tar sand for subsequent recovery of the bitumen1977-10-18Text
37 Method of removing bitumen from tar sand utilizing ultrasonic energy and stirring1977-10-18Text
38 Method of separating bitumen from tar sand with cold solvent1976-11-23Text
39 Methods of tar sand bitumen recovery1992-09-01Text
40 Monitoring surfactant content to control hot water process for tar sand1991-04-23Text
41 Multiple drain method for recovering oil from tar sand2001-07-24Text
42 Pour-point depression of crude oils by addition of tar sand bitumen1988-03-03
43 Process and apparatus for separating coarse sand particles and recovering bitumen from tar sands1978-10
44 Process and apparatus for separating tar from a tar sand mixture1981-02-10
45 Process for recovering bitumen from tar sand1980-12-02
46 Process for recovering hydrocarbons and heavy minerals from a tar sand hot water process waste stream1976-11-09
47 Process for recovering products from tar sand1983-10-11
48 Process for recovery of solvent from tar sand bitumen1985-07-30
49 Process for secondary recovery of bitumen in hot water extraction of tar sand1979-10-23
50 Process for selective recovery of relatively metals-free bitumen from tar sand using a halogenated aliphatic solvent in combination with a second solvent1980-08-12
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