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TitleDescriptionSubjectDate
1 A preliminary estimate of world heavy crude oil and bitumen resourcesSince the First International Conference on the Future of Heavy Crude and Tar Sands was held in Edmonton, Alberta, Canada, in June 1979, several significant events have occurred bearing upon future development of these resources. Positive factors include the following: (1) a second conference was he...1984
2 Characteristics of the PR Spring Tar Sand deposit, Uinta Basin, Utah, U.S.A.The Laramie Energy Technology Center (LETC) conducted a seven-corehole drilling program in the PR Spring tar sand deposit, southeastern Uinta Basin, Utah, during the summer of 1980. Three main tar sand zones in the southwestern and west-central portion of the deposit were correlated by cross section...1984
3 Influence of chemical factors on primary processing of Utah tar sand bitumenResearch of recovery and processing technology applicable to Utah tar sands is currently in progress. Development of this hydrocarbon resource has not yet occurred, principally because of high costs associated with present recovery methods. The processing of bitumens is also expected to be relativel...chemical factors of processing tar sand bitumen; Utah tar sand bitumen; tar sand bitumen; primary peocessing of tar sand bitumen1978-01-01
4 Characteristics of tar sand bitumen asphaltenes and the effect of asphaltenes on conversion of bitumen by hydropyrolysisAsphaltenes derived from tar sand bitumen are similar to petroleum derived asphaltenes in that the geochemical history is similar for these sources. It has been shown that tar sand bitumen possesses an unusually high average molecular weight when compared with petroleum residues of similar initial b...tar sand bitumen asphaltenes; characteristics of tar sand bitumen; effect of asphaltenes; bitumen conversion; hydropyrolysis; tar sand bitumen1979
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