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Title | Date | Subject | Description |
151 |
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LETC tar sand research - North Asphalt Ridge | 1985 | LETC tar sand research; North Asphalt Ridge; tar sand; in situ recovery methods; classifying tar sand deposits; in situ recovery process; tar sand deposits | This 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 |
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Method and appratus for extracting tar sand | 1983-11-22 | tar sand extraction; extraction method; patent; tar sand; extraction apparatus | Method 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 |
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Mass and heat transfer in crushed oil shale | 1993-07-30 | mass and heat transfer; crushed oil shale; packed beds | Past 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 |
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Method and apparatus for the solvent extraction of oil from bitumen containing tar sand | 1996-07-09 | solvent extraction of oil; tar sand bitumen; patent | A 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 |
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Method and apparatus for producing tar sand deposits containing conductive layers having little or no vertical communication | 1991-10-29 | producing tar sand deposits; conductive layers in tar sand deposits; tar sand; vertical communication; patent | An 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 |
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Method and apparatus for sampling a core of tar sand | 1983-02-08 | tar sand; core samples of tar sand; core sampling; patent | The 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 |
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Metallopetroporphyrines as process indicators: Separation of petroporpyrins in Green River oil shale pyrolysis products | 1994-11 | product oils; LLNL hot-recycled-solids; HRS retorting process; metallopetroporphyrins; process indicators; petroporpyrins; Green River oil shale pyrolysis | Product 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 |
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Method for controlling flocculant addition to tar sand tailings | 1981-07-04 | flocculant addition to tar sand tailings; tar sand tailings; hot water extraction process; bitumen recovery; flocculation; vacuum filteration | The 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 |
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Geophysical report, seismograph survey, of the Asphalt Ridge prospect Uintah County, Utah | 1967-11 | Geophysical 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 |
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Investigation and development of alternative methods for shale oil processing and analysis | 1983-04 | oil shale processing and analysis; alternative processing methods; oil shale retorting; kerogen | I. 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 |
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In-situ combustion handbook--principles and practices | 1999-01 | in-situ combustion; oil reservoir; oil recovery; field trials; fireflood projects; combustion projects | For 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 |
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Geologic summary report of the 1990 exploration program, Sunnyside Tar Sands project, Carbon County, Utah--volume 1 | 1991-02-28 | geologic 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 |
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Method and apparatus for on-line monitoring of bitumen content in tar sand | 1984-02-21 | on-line monitoring of bitumen content; tar sand bitumen; tar sand; birumen content; bituminous sands processing; patent | An 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 |
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Lithologic logs and correlation of coreholes P. R. Spring and Hill Creek oil-impregnated standstone deposits Uintah County, Utah | 1975-08 | lithologic logs; correlation of coreholes; P. R. Spring; Hill Creek; oil-impregnated sandstone deposits; Utah | This 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 |
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Low-temperature oil shale and tar sand extraction process | 1978-12-19 | low-temperature oil shale; low-temperature tar sand; extraction process; kerogen materials; crushed oil-shale; dekerosing; kerogen removal | Fertilizers 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 |
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Measured section, Green River Formation | 1977-09-05 | Green River Formation; Sunnyside Asphalt Quarry area | Sunnyside Asphalt Quarry area, Carbon Co., Utah, September 5-8, 1977, by Jock A. Campbell, assisted by Craig R. Dixon. |
167 |
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Method and apparatus for producing tar sand deposits containing conductive layers | 1991-08-27 | producing tar sand deposits; tar sand deposits; conductive layers in tar sand deposits; patent; method for producing tar sand deposits; apparatus for producing tar sand deposits | An 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 |
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Method and apparatus for recovering viscous petroleum from tar sand | 1981-02-03 | patent; viscous petroleum recovery; tar sand; recovering viscous petroleum from tar sand; deviated steam injection well; pumping wells; fluidized petroleum recovery | A 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 |
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Laboratory and modeling investigation of a Colorado oil-shale block heated to 900°C | 1979-12 | modeling investigation; Colorado oil-shale block; oil shale; retorting; in-situ retort | A 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 |
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Method for controlling sand in thermal recovery of oil from tar sands | 1978-09-19 | controlling sand; thermal recovery of oil; tar sands oil recovery; tar sands; oil recovery; patent; oil production | A 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 |
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Geologic summary report of the 1981 exploration program, Sunnyside Tar Sands project, Carbon County, Utah | 1982-02-19 | Geologic 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 |
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Geologic and structure maps of the Salt Lake City 1º X 2º quadrangle, Utah and Wyoming | 1992 | | |
173 |
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Geologic map of the Salt Lake City 30' X 60' quadrangle, north-central Utah, and Uinta County, Wyoming | 1990 | | |
174 |
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Completion for tar sand substrate | | Patent; Hydrocarbons; Subterranean formation; Well; Liner; Bitumen; Bitumen emulsion; Hydrocarbon recovery; Tar sand; Tar sand substrate | Method 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 |
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Control of process aid used in hot water process for extraction of bitumen from tar sand | 1984-07-31 | Tar sand; Bitumen; Tar sand feed; Free surfactant content; Slurry; Bitumen froth recovery; Bitumen; Hot water process; Bitumen extraction; Extraction circuit | The 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, ... |