A reconnaissance evaluation of heavy hydrocarbons in the Tar Sand Triangle

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Publication Type report
Research Institute Institute for Clean and Secure Energy (ICSE)
Author Charles Bishop
Title A reconnaissance evaluation of heavy hydrocarbons in the Tar Sand Triangle
Date 1985-08
Description The Tar Sand Triangle encompasses about 200 square miles in southeastern Utah. The area consists of rough, mountainous terrain, with a climate that varies from semiarid to arid. Sedimentary rocks exposed in the area range from Permian Cedar Mesa Sandstone to the Triassic(?)-Jurassic Navajo Sandstone. The main oil bearing formation is the Permian White Rim Sandstone with a saturated zone which varies from zero to 230 feet thick. Minor occurrences of oil are found in the Moenkopi Formation, Cedar Mesa Sandstone and Chinle Formation. The Triangle has an average net pay zone of 112 feet and a grade that varies from zero to 36 gallons per ton. The inferred oil resource, in-place, is estimated at approximately 5 billion barrels. There is also a potential resource of approximately A million barrels of oil in the Cedar Mesa Sandstone and Moenkopi Formation. The Tar Sand Triangle is the largest known oil-impregnated sandstone deposit in Utah, and is a combination of six separate previously named deposits. There are currently no oil development projects in the area, but a number of lease holders have applied to transfer their oil and gas leases to combined hydrocarbon leases, which would allow for their development. Development of the area will most likely be done by an in-situ recovery method because of favorable sandstone characteristics, rough terrain and the high overburden ratio.
Type Text
Publisher Charles Bishop
Subject Utah; Tar Sand Triangle; Permian White Rim Sandstone; Moenkopi Formation; Cedar Mesa Sandstone; Chinle Formation; Oil; Oil-impregnated sandstone deposit; In-situ; Heavy hydrocarbons; Triassic; Jurassic Navajo Sandstone
Language eng
Bibliographic Citation Bishop, C. (1985). A Reconnaissance Evaluation of Heavy Hydrocarbons in the Tar Sand Triangle (Draft).
Rights Management (c)Charles Bishop
Format Medium application/pdf
Format Extent 498,413 bytes
Identifier ir-eua/id/2673
Source DSpace at ICSE
ARK ark:/87278/s6jx1cz8
Setname ir_eua
ID 213856
Reference URL https://collections.lib.utah.edu/ark:/87278/s6jx1cz8