Electronic University Archive
 
Filters: Publication Type: "patent" Year End: 2017
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TitleDateType
26 Method for recovering bitumen from tar sand1982-05-25Text
27 Method for treating a tar sand reservoir to enhance petroleum production by cyclic steam stimulation1986-08-26Text
28 Method of extracting liquid and gaseous fuel from oil shale and tar sand1981-05-12Text
29 Method of processing oil-shale or tar sand1982-03-16
30 Method of producing tar sand deposits containing conductive layers1990-05-22Text
31 Method of recovering viscous petroleum from tar sand1976-11-30Text
32 Method of recovering viscous petroleum from thick tar sand1977-02-22Text
33 Method of recovery of bitumen from tar sand formations1977-01-18Text
34 Method of reducing moisture and solid content of bitumen extracted from tar sand minerals2000-02-01Text
35 Method of removing bitumen from tar sand for subsequent recovery of the bitumen1977-10-18Text
36 Method of removing bitumen from tar sand utilizing ultrasonic energy and stirring1977-10-18Text
37 Method of separating bitumen from tar sand with cold solvent1976-11-23Text
38 Methods of tar sand bitumen recovery1992-09-01Text
39 Monitoring surfactant content to control hot water process for tar sand1991-04-23Text
40 Multiple drain method for recovering oil from tar sand2001-07-24Text
41 Pour-point depression of crude oils by addition of tar sand bitumen1988-03-03
42 Process and apparatus for separating coarse sand particles and recovering bitumen from tar sands1978-10
43 Process and apparatus for separating tar from a tar sand mixture1981-02-10
44 Process for recovering bitumen from tar sand1980-12-02
45 Process for recovering hydrocarbons and heavy minerals from a tar sand hot water process waste stream1976-11-09
46 Process for recovering products from tar sand1983-10-11
47 Process for recovery of solvent from tar sand bitumen1985-07-30
48 Process for secondary recovery of bitumen in hot water extraction of tar sand1979-10-23
49 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
50 Process for separating high viscosity bitumen from tar sands1984-12-04
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