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TitleDateSubjectDescription
51 Major tar sand and heavy oil deposits of the United States1985-07major tar sand; heavy oil deposits; heavy oil resources; tar sand resources; United StatesThis paper presents a current assessment of U.S. tar sand and heavy oil resources. It is based on an independent appraisal of all tar sand deposits with 100 million barrels in place or more and the construction of a heavy oil reservoir and data base of fields containing more than 20 million barrels ...
52 Mechanism and kinetics of lead capture by kaolinite in a downflow combustor2000mechanism and kinetics; lead capture; kaolinite; downflow combustor; postflame reaction; lead vaporAn 18 kW, 6 m long, gas-fired downflow combustor was used to examine the postflame reaction between lead vapor and kaolinite. Since the focus of this work was to evaluate the reaction with lead vapor, samples were extracted at a temperature above the metal dew point. The sample was rapidly diluted w...
53 Mineral matter distribution during the hot water processing of Utah tar sand1991mineral matter distribution; hot water processing; Utah tar sand; tar sand; mineralogical analyses; Whiterocks deposit; bitumen separationMineralogical analyses of a U.S. tar sand sample from the Whiterocks deposit in the Uinta Basin, Utah, were performed by FTIR, XRD and XRF. The tar sand sample was subjected to the modified hot water process for the bitumen separation and the attendant distribution of constituent minerals into the b...
54 Modeling of asphaltenes: Assessment of sensitivity of 13C SSNMR to molecular structure2012asphaltenes; heavy oil; liquid hydrocarbon fuels; 13C SSNMR; molecular structure; refinery processAsphaltenes are an important constituent of many oils and one of the major components in heavy oils sources for liquid hydrocarbon fuels. With light oil sources rapidly depleting, it is necessary to use alternative sources from heavy oil reservoirs. Refining these heavy oil resources presents new ch...
55 Modeling the rich combustion of aliphatic hydrocarbons2000rich combustion; aliphatic hydrocarbons; kinetic mechanism; benzene formation; high-molecular-mass aromatic compoundsA new kinetic mechanism has been developed for the formation of benzene and high-molecular-mass aromatic compounds in rich flames of aliphatic hydrocarbons. The kinetic scheme emphasizes both the role of resonantly stabilized radicals in the growth of aromatics and the standard acetylene addition me...
56 Modeling the vaporization of ash constituents in a coal-fired boiler2000vaporization of ash constituents; coal-fired boiler; minimizing harmful emissions; vaporizationEmissions of fine particulate and trace toxic metals are being subjected to increasing regulation. This paper addresses how the emission of these compounds can be influenced by changes in combustion conditions, particularly those selected to minimize NOx emissions. The vaporization and condensation ...
57 Nitric oxide destruction during coal and char oxidation under pulverized-coal combustion conditions2004nitric oxide destruction; coal and char oxidation; pulverized-coal combustion; particle distribution; conversion efficiencyA modified drop-tube reactor that allows particle distribution over the reactor cross-sectional area, and oxidation of chars produced in situ, was used to study the conversion efficiency of char nitrogen to nitric oxide (aNO). The results confirm previous findings by other investigators that aNO dec...
58 Numerical simulation of combined reverse combustion and steamflooding for oil recovery in a Utah tar sand1985-04numerical simulation; combined reverse combustion; steamflooding; oil recovery; Utah tar sand; tar sand; Asphalt Ridge; LETC; Laramie Energy Technology CenterThis paper presents the design of the U.S. DOE Laramie Energy Technology Center's (LETC) Project TS-4, which involves numerical simulation of both in-situ reverse combustion and steamflooding. The simulator showed that the combustion could be limited and contained in a middle 10-ft [3-m] interval wi...
59 Oil and gas evolution kinetics for oil shale and petroleum source rocks determined from pyrolysis-TQMS data at multiple heating rates1991-11Evolution kinetics; Oil shale; Petroleum source rocks; Pyrolysis-TQMS data; Programmed-temperature pyrolysis; Triple-quadrupole mass spectrometry; Hydrous pyrolysisSeven oil shales and petroleum source rocks were subjected to programmed-temperature pyrolysis at heating rates of 1 and 10 °C/min using triple-quadrupole mass spectrometry to monitor volatile compound evolution. Kinetic parameters were determined for evolution of hydrocarbons and various heteroato...
60 Oil and gas evolution kinetics for oil shale and petroleum source rocks determined from pyrolysis-TQMS data at two heating rates1992-04Volatile compound evolution; Oil shales; Petroleum source rocks; Programmed-temperature pyrolysis; Triple-quadrupole mass spectrometry; Hydrous pyrolysisSeven oil shales and petroleum source rocks were subjected to programmedtemperature pyrolysis at heating rates of 1 and 10 °C/min using triple-quadrupole mass spectrometry to monitor volatile compound evolution. Kinetic parameters were determined for evolution of hydrocarbons and various heteroatom...
61 Oil impregnated carbonate rocks of the Timpoweap Member Moenkopi Formation, Hurricane Cliffs area, Utah and Arizona1979Oil impregnated rocks; Hurricane Cliffs; Utah; Arizona; Timpoweap Member; Triassic Moenkopi Formation; Timpoweap Canyon; Hurricane, UtahOil impregnated rocks crop out at several localities near the Hurricane Cliffs in southwestern Utah and adjacent Arizona. The most significant petroliferous deposits occur in the Timpoweap Member of the Triassic Moenkopi Formation in Timpoweap Canyon and the Hurricane Cliffs south of Hurricane, Utah...
62 Oil sands: Resource, recovery, and industry1980oil sands; tar sand; bituminous sandstone; oil impregnated sandstone; bituminous sand; synthetic fuelsOil sand, tar sand, bituminous sandstone, oil impregnated sandstone, or bituminous sand, by one name or another, have been identified in almost every country of the world and in almost every state in the United States. By far the largest and most commercially attractive deposits are in Alberta, Cana...
63 Oil shale and tar sands1976oil shale; tar sands; United States; alternative fuels; in situ processing; fractuing testsTo continue its growth or even its existence, the United States must find new energy supplies to replace the petroleum we are rapidly depleting. No fossil energy form can offer a long-range solution, but coal offers a mid-range solution. Unfortunately we're not geared to use it, and learning to appl...
64 Oil-impregnated rocks of Utah: USERDA field experiment to recover oil from tar sand1976-07oil-impregnated rocks; Utah; USERDA; field experiment; recover oil from tar sand; oil recoveryThe Laramie Energy Research Center, of the U. S. Energy Research and Development Administration, is equipping a field experiment to test the reverse combustion process for recovery of oil from a tar sand on a 10-acre site on the Northwest Asphalt Ridge deposit near Vernal, Utah. A tar sand section 1...
65 On solar thermal processing and retorting of oil shale1988-05The general concept and a recent paper on solar oil shale retorting are critically reviewed. It is concluded that a recent paper by Berber and Fletcher (Energy 13. 13, 1988) contains erroneously high oil yields and provides no new valid information related to solar oil shale process design or econom...
66 On the relevance of surface growth in soot formation in premixed flames2000surface growth; soot formation; premixed flames; surface growth mechanisims; particle mass accumulationThe role of surface growth mechanisms in particle mass accumulation was investigated in rich, premixed, ethylene/air flames from non-sooting to moderately sooting conditions using in situ optical diagnostics and predictions from a detailed chemical kinetic model. Particles formed just after the flam...
67 On trimodal particle size distributions in fly ash from pulverized-coal combustion2002trimordal particle size distributions; fly ash; pulverized-coal combustion; fine particles; PMCombustion-generated fine particles, defined as those with aerodynamic diameters less than 2.5 lm, have come under increased regulatory scrutiny because of suspected links to adverse human health effects. Whereas classical theories regarding coal combustion suggest that mechanisms of ash vaporizatio...
68 Organic petrology and rock-eval studies on oil shales from the Lower Carboniferous Rocky Brook Formation, Western Newfloundland1989-03organic petrology; rock-eval studies; oil shales; Lower Carboniferous Rocky Brook Formation; microscopy and geochemical analysis; rock-eval pyrolysisNine samples of oil shale from the Carboniferous Rocky Brook Formation along Rocky Brook in western Newfoundland were studied by incident light microscopy and geochemical analysis (Rock-Eval pyrolysis) to determine the maceral components, geochemical type, and maturation level of the kerogen fractio...
69 Parallelization of the P-1 radiation model2006parallelization; P-1 radiation model; radiative transport equation; LES; large-eddy simulations; RTEThe P-1 radiation model is spatially decomposed to solve the radiative transport equation on parallel computers. Mathematical libraries developed by third parties are employed to solve the linear systems that result during the solution procedure. Multigrid preconditioning accelerated the convergence...
70 The partitioning of arsenic during pulverized coal combustion2000arsenic partitioning; arsenic; pulverized coal combustion; coal-fired electric utility; coal; arsenic volatilization; volatilized arsenic.An important issue facing the coal-fired electric utility industry is the environmental impact resulting from the release of arsenic contained in the coal. Depending on the forms of occurrence in the coal and transformation mechanism involved, arsenic-containing compounds may exit the furnace in the...
71 Petroleum geology of the greater Red Wash Area, Uintah County, Utah1965-07oil and gas field; sandstone; petroleum geologyThe Greater Red Wash area is the largest oil and gas field in the Uinta Basin. The Douglas Creek and Garden Gulch Members of the Green River Formation form a lacustrine delta in the area and yield hydrocarbons from a complex network of discrete sandstones. Each individual sandstone body forms its ow...
72 Petroliferous lithosomes in the Moenkopi Formation, southern Utah1977petroleum; stratigraphic study; southeastern and central Utah petroleum; Moenkopi FormationRecent stratigraphic studies of the Triassic Moenkopi Formation suggest the possibility of important petroleum potential within the unit in southeastern and central Utah. Potential reservoir rocks include shoreline sandstone in the Black Dragon Member, carbonates in the Sinbad Limestone Member, and ...
73 Plant starts, Athabasca now yielding its hydrocarbons1967-10-23synthetic crude; Athabasca oil sands; crude; strip miningFirst synthetic crude from the Athabasca oil sands region of northeastern Alberta will reach the Toledo, Ohio, refinery of Sun Oil Co. in November. It will be an excellent grade of crude - high in gravity, free of sulfur and nitrogen. But nonetheless, it will have a strange background. Instead of be...
74 Porosity of unconsolidated sand, diatomite, and fractured shale reservoirs, South Belridge and West Cat Canyon oil fields, California1987-11-02porosity; unconsolidated sand; diatomite; fractured shale reservoirs; South Belridge oil field; West Cat Canyon oil fieldPorosity analysis based on conventional core samples, gamma-gamma logs, and borehole gravity (BHG) surveys is presented for a Pleistocene unconsolidated sand reservoir and for Miocene diatomaceous, porcelaneous, and fractured shale reservoirs of the Monterey Formation in the South Belridge oil field...
75 Preliminary geologic analysis of the tar sands near Sunnyside, Utah1987-11-02geologic analysis; tar sands; Sunnyside, Utah; sandstones; Roan Cliffs; bitumenSandstones that crop out along the Roan Cliffs near Sunnyside, Utah, are estimated to contain approximately 6 billion barrels of bitumen, making it one of the largest deposits in the United States. Little is known of the geologic aspects, particularly sedimentology, mineralogy (especially clays), an...
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