Electronic University Archive
 
Filters: Publication Type: "patent" Format: "application/pdf" Type: "Text"
26 - 50 of 39
Number of results to display per page
TitleDateType
26 Method for treating a tar sand reservoir to enhance petroleum production by cyclic steam stimulation1986-08-26Text
27 Method of extracting liquid and gaseous fuel from oil shale and tar sand1981-05-12Text
28 Method of producing tar sand deposits containing conductive layers1990-05-22Text
29 Method of recovering viscous petroleum from tar sand1976-11-30Text
30 Method of recovering viscous petroleum from thick tar sand1977-02-22Text
31 Method of recovery of bitumen from tar sand formations1977-01-18Text
32 Method of reducing moisture and solid content of bitumen extracted from tar sand minerals2000-02-01Text
33 Method of removing bitumen from tar sand for subsequent recovery of the bitumen1977-10-18Text
34 Method of removing bitumen from tar sand utilizing ultrasonic energy and stirring1977-10-18Text
35 Method of separating bitumen from tar sand with cold solvent1976-11-23Text
36 Methods of tar sand bitumen recovery1992-09-01Text
37 Monitoring surfactant content to control hot water process for tar sand1991-04-23Text
38 Multiple drain method for recovering oil from tar sand2001-07-24Text
39 Use of a submersible viscometer in the primary separation step of the hot water process for recovery of bitumen from tar sand1987-01-20Text
26 - 50 of 39