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TitleDateSubjectDescription
151 LETC tar sand research - North Asphalt Ridge1985LETC tar sand research; North Asphalt Ridge; tar sand; in situ recovery methods; classifying tar sand deposits; in situ recovery process; tar sand depositsThis report describes work done by the United States Department of Energy's Laramie Energy Technology Center (LETC) from 1971 through 1982 to develop technology for future recovery of U.S. tar sands. The objectives of the program are: 1. To determine the feasibility of in situ recovery methods appli...
152 Method and appratus for extracting tar sand1983-11-22tar sand extraction; extraction method; patent; tar sand; extraction apparatusMethod and apparatus for separating coarse sand particles from fine sand particles in a slurry of sand and a solution such as results from the solvent extraction of tar sand, such method comprising causing flow of such slurry in a generally horizontal direction and then causing upward flow at a rate...
153 Mass and heat transfer in crushed oil shale1993-07-30mass and heat transfer; crushed oil shale; packed bedsPast studies of heat and mass transfer in packed beds, which have disagreed substantially in their findings, have nearly all been done with beds of regular particles of uniform size, whereas oil-shale retorting involves particles of diverse shapes and widely ranging sizes. We have made 349 runs in w...
154 Method and apparatus for the solvent extraction of oil from bitumen containing tar sand1996-07-09solvent extraction of oil; tar sand bitumen; patentA method and apparatus for extracting bitumen whereby tar sand containing bitumen components is contacted with a heated thinning oil mixture to reduce the tar sand viscosity and dissolve bitumen to form a lower viscosity feed slurry. The feed slurry is contacted with a light oil in a separator where...
155 Method and apparatus for producing tar sand deposits containing conductive layers having little or no vertical communication1991-10-29producing tar sand deposits; conductive layers in tar sand deposits; tar sand; vertical communication; patentAn apparatus and method are disclosed for producing thick tar sand deposits by preheating of thin, relatively highly conductive layers which are a small fraction of the total thickness of a tar sand deposit, with horizontal electrodes and steam stimulation. The preheating is continued until the visc...
156 Method and apparatus for sampling a core of tar sand1983-02-08tar sand; core samples of tar sand; core sampling; patentThe invention provides a method and apparatus for sampling a frozen core of tar sand. The frozen core is first cut transversely along its length to form a pair of slabs of semi-circular cross-section. A longitudinal sample portion of substantially triangular cross-section is then cut from the centra...
157 Metallopetroporphyrines as process indicators: Separation of petroporpyrins in Green River oil shale pyrolysis products1994-11product oils; LLNL hot-recycled-solids; HRS retorting process; metallopetroporphyrins; process indicators; petroporpyrins; Green River oil shale pyrolysisProduct oils from the LLNL Hot-Recycled-Solids (HRS) retorting process were separated to isolate and concentrate the metallopetroporphyrins. A modified column chromatography procedure developed previously for heavy crude oils and tar sand bitumens was used. The fractions were then examined by UV-vis...
158 Method for controlling flocculant addition to tar sand tailings1981-07-04flocculant addition to tar sand tailings; tar sand tailings; hot water extraction process; bitumen recovery; flocculation; vacuum filterationThe hot water extraction process for recovering bitumen from tar sand produces a large volume of solids-laden aqueous tailings as a waste product. The solids in the tailings stream may be flocculated by the addition of time and the components of the stream then separated into a water-free solids pha...
159 Geophysical report, seismograph survey, of the Asphalt Ridge prospect Uintah County, Utah1967-11Geophysical report; seismograph survey; Asphalt Ridge prospect.Location and general information: The area designated as Asphalt Ridge, located directly southwest of the Ashley Creek oil field, is in the northeastern part of Uintah County, Utah, in T. 5 S. , R. 22 E. , and T. 6 S. , R. 21 E. Geologically, the area is situated on the north flank, and extends to t...
160 Investigation and development of alternative methods for shale oil processing and analysis1983-04oil shale processing and analysis; alternative processing methods; oil shale retorting; kerogenI. Effects of selected wastes on Oil Shale Retorting. A. Background and Rationale. Oil shale-, a carbonaceous rock which occurs abundantly in the earth's crust, has been investigated for many years as an alternate source of fuel oil. The insoluble organic matter contained in such shales is termed "K...
161 In-situ combustion handbook--principles and practices1999-01in-situ combustion; oil reservoir; oil recovery; field trials; fireflood projects; combustion projectsFor nearly 90 years in-situ combustion technique has been used in the U.S. in attempts to improve recovery from oil reservoirs. Despite its long history and commercial success of many field projects, the process has not found widespread acceptance among operators due to the excessive number of failu...
162 Geologic summary report of the 1990 exploration program, Sunnyside Tar Sands project, Carbon County, Utah--volume 11991-02-28geologic summary; exploration program; Sunnyside tar sands project; tar sand; regional, engineering geology.This 1990 report is a supplement to the extensive 1989 report. This 1990 report concentrates on results of the following four categories: (1) regional geology and engineering geology needed to investigate the feasibility of conveyor routes that will bring the tar sand ore down from the Roan Cliffs t...
163 Method and apparatus for on-line monitoring of bitumen content in tar sand1984-02-21on-line monitoring of bitumen content; tar sand bitumen; tar sand; birumen content; bituminous sands processing; patentAn improvement in the processing of bituminous sands is described, whereby the concentration of bitumen in tar sand feed is measured by infrared light reflected from the tar sand surface. Near infrared is shone onto the surface of the incoming tar sand and reflected light is collected and passed thr...
164 Lithologic logs and correlation of coreholes P. R. Spring and Hill Creek oil-impregnated standstone deposits Uintah County, Utah1975-08lithologic logs; correlation of coreholes; P. R. Spring; Hill Creek; oil-impregnated sandstone deposits; UtahThis report of investigation presents the lithologic logs and correlation of 16 coreholes drilled in 1973 in the P. R. Spring and Hill Creek oil-impregnated sandstone deposits, southeast Uintah County, Utah. The program was conducted under Grant No. GO 122094 from the U. S. Department of the Interio...
165 Low-temperature oil shale and tar sand extraction process1978-12-19low-temperature oil shale; low-temperature tar sand; extraction process; kerogen materials; crushed oil-shale; dekerosing; kerogen removalFertilizers and kerogen materials are extracted from crushed oil shale utilizing a low temperature dekerosing (kerogen removal) solvent phase followed by a second fertilizer extraction phase using water as solvent. Process control factors are effective in producing delamination of the crushed oil sh...
166 Measured section, Green River Formation1977-09-05Green River Formation; Sunnyside Asphalt Quarry areaSunnyside Asphalt Quarry area, Carbon Co., Utah, September 5-8, 1977, by Jock A. Campbell, assisted by Craig R. Dixon.
167 Method and apparatus for producing tar sand deposits containing conductive layers1991-08-27producing tar sand deposits; tar sand deposits; conductive layers in tar sand deposits; patent; method for producing tar sand deposits; apparatus for producing tar sand depositsAn apparatus and method are disclosed for producing thick tar sand deposits by preheating of thin, relatively conductive layers which are a small fraction of the total thickness of a tar sand deposit, with horizontal electrodes. The preheating is continued until the viscosity of the tar in a thin pr...
168 Method and apparatus for recovering viscous petroleum from tar sand1981-02-03patent; viscous petroleum recovery; tar sand; recovering viscous petroleum from tar sand; deviated steam injection well; pumping wells; fluidized petroleum recoveryA method of recovering viscous petroleum from tar sand formations utilizing a deviated steam injection well with pump-down (through the flow line) completion. The steam injection well may use side pocket mandrels with constant flow or orifice regulators to control steam injection rates into the surr...
169 Laboratory and modeling investigation of a Colorado oil-shale block heated to 900°C1979-12modeling investigation; Colorado oil-shale block; oil shale; retorting; in-situ retortA cylinder of oil-shale, 17.2 by 17.0 cm diameter, was heated in a retort from 23 to 900°C at a rate of 18°C h-1. Total mass loss, oil yield and evolution of individual products are monitored. A one-dimensional model is developed to simulate the heating of the cylinder of oil-shale and the chemist...
170 Method for controlling sand in thermal recovery of oil from tar sands1978-09-19controlling sand; thermal recovery of oil; tar sands oil recovery; tar sands; oil recovery; patent; oil productionA method is disclosed for producing oil from a subterranean reservoir of tar sands as unconsolidated oil bearing sands. The method comprises basically (1) setting a screen in an open hole, the screen being large enough to pass a majority of the formation sand and small enough to retain a packing mat...
171 Geologic summary report of the 1981 exploration program, Sunnyside Tar Sands project, Carbon County, Utah1982-02-19Geologic summary; exploration project; Sunnyside Tar Sands project; delta complex.The 1981 Sunnyside exploration program consisted of: (1) diamond drilling of sixteen drill holes and logging of the core, and (2) initial geologic mapping in the northern area to better define the limits of the tar sands associated with the Sunnyside delta complex. In order to comprehend the geometr...
172 Geologic and structure maps of the Salt Lake City 1º X 2º quadrangle, Utah and Wyoming1992
173 Geologic map of the Salt Lake City 30' X 60' quadrangle, north-central Utah, and Uinta County, Wyoming1990
174 Completion for tar sand substratePatent; Hydrocarbons; Subterranean formation; Well; Liner; Bitumen; Bitumen emulsion; Hydrocarbon recovery; Tar sand; Tar sand substrateMethod and apparatus for recovering hydrocarbons from a subterranean formation in which a well completion, including a well liner, lies in a generally horizontal disposition within the hydrocarbon productive substrate. The liner encloses conductor means for delivering a stream of a hot stimulating a...
175 Control of process aid used in hot water process for extraction of bitumen from tar sand1984-07-31Tar sand; Bitumen; Tar sand feed; Free surfactant content; Slurry; Bitumen froth recovery; Bitumen; Hot water process; Bitumen extraction; Extraction circuitThe hot water process is sensitive to the nature of the tar sand feed, which varies. An alkaline process aid, usually NaOH, is normally added to the conditioning step of the process and is needed to obtain good bitumen recovery from most tar sand feeds. The invention is based on the discovery that, ...
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