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Oil Shale Processing - an overview | ScienceDirect Topics

Mar 15, 2011 · Sohrab Zendehboudi PhD, Alireza Bahadori PhD, CEng, in Shale Oil and Gas Handbook, 2017. 2 Description of Oil Shale Processing. Shale oil processing is defined as an industrial process to which raw shale oil is subjected to extract oil from it—basically a process to produce unconventional oil [1].Because shale oil exists as solid sedimentary rocks, its extraction is more complex than ...

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Oil Shale Extraction | HowStuffWorks

The process of extracting liquid crude oil from the ground is comparatively simple to extracting oil shale. Pressure from gases trapped in the chamber where oil is present force the crude oil to the surface. After this pressure is alleviated, the more difficult secondary and tertiary phases of oil drilling begin.

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US4737267A - Oil shale processing apparatus and method ...

A method and apparatus for the recovery of bitumen oils from oil shale. The method comprises crushing the oil shale to a predetermined particle size and mixing with an organic solvent to form a slurry. The slurry is then subjected to supercritical temperatures and pressures whereby the kerogen materials break down into bitumen oils which solubilize in the solvent.

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oil shale | National Geographic Society

Mar 04, 2013 · Extracting and processing shale oil is an expensive and difficult process. Coal, petroleum, and natural gas are less expensive to extract. Australia, Brazil, Switzerland, Sweden, Spain, and South Africa began mining oil shale in the 19th and 20th centuries, but they all stopped production by the 1960s. The U.S. ceased production in the early 1980s.

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What is shale oil and how is it produced? – Colors-NewYork

Surface retort, a critical process in oil shale mining, involves crushing and heating the shale, which generates solid and hazardous waste from the crushed shale and water that can wash toxic organic compounds into the soil.

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Oil Shale - an overview | ScienceDirect Topics

The Oil Shale Exploration Company (OSEC) process has used the Alberta Taciuk Process (ATP), a horizontal rotating kiln process, for the development of Utah oil shale. The continuous-flow retort, as proposed for the production of shale oil from the Australian oil shale, comprised three stages ( Schmidt, 2003 ; Taciuk and Turner, 1988 ).

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CHAPTER THREE Oil Shale Technologies

May 31, 2005 · requirements for the commercial development of oil shale. Surface Retorting Surface retorting involves crushing the mined oil shale and then retorting it at about 900 to 1,000 degrees F (Figure 3.1). The vessel in which this heating occurs is called a retort. The hot shale oil leaving the retort is not stable and must be sent directly to

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SHALE OIL: Exploration and Development

Shale Oil: Definition • Sedimentary rock with a high organic content – Organic matter is known as kerogen • Kerogen: – MW avg. =3000 – Approximate formula C200 H300 SN 5O11 1 1. Feng H.Y. Rates Of Pyrolysis Of Colorado shale oil. p. 732. American Institute Of Chemical Engineers Journal .

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Effect of Shale Sample Particle Size on Pore Structure ...

Sep 03, 2021 · The mercury intrusion and extrusion processes of shale with coarse (before sample crushing process; Figure 12(b)) and fine particle (after sample crushing process; Figure 12(c)) are divided into 5 stages: low pressure intrusion, high pressure intrusion, higher pressure intrusion, high pressure extrusion, and low pressure extrusion.

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Oil Shale Extraction | HowStuffWorks

The process of extracting liquid crude oil from the ground is comparatively simple to extracting oil shale. Pressure from gases trapped in the chamber where oil is present force the crude oil to the surface. After this pressure is alleviated, the more difficult

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Oil shale - AAPG Wiki

mining the oil shales, either underground or in open pits, crushing, and above-ground retorting (the process so far used in all oil-shale projects) in-situ processing, involving drilling into the oil-shale unit, fracturing it to increase its permeability, igniting the shale,

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Shale oil extraction - Wikipedia

Shale oil extraction is an industrial process for unconventional oil production. This process converts kerogen in oil shale into shale oil by pyrolysis, hydrogenation, or thermal dissolution.The resultant shale oil is used as fuel oil or upgraded to meet refinery feedstock specifications by adding hydrogen and removing sulfur and nitrogen impurities.. Shale oil extraction is usually performed ...

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Oil shale extraction

is an industrial process in which kerogen mdash;a mixture of organic chemical compounds (including hydrocarbons) found in oil shale mdash;is converted into synthetic crude oil through pyrolysis. In pyrolysis, oil shale is heated in the absence of

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Revolutionizing the Oil Shale Industry With NEW Tech ...

Nov 23, 2021 · Conventional oil shale mining requires a process called retorting. This involves heating organic shale to about 900 degrees F after which it decomposes into gas, a solid residue, and condensable oil. If this process takes place while the shale

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Method for extracting oil from oil shale - PRULL; PHILLIP EARL

A process for extraction of oil from oil shale as described in claim 1 and wherein said crushed oil shale is classified into at least four portions, one of said portions being of particle size approximately that passing a 1/4-inch mesh screen, a second of said portions being of particle size approximately that passing a 1/2-inch mesh screen and ...

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COMPARISON OF HEATING METHODS FOR IN-SITU OIL

Technologies for oil shale production include surface and in-situ retorting. This study focusses on in-situ oil shale production methodologies. The process of heating oil shale to the pyrolysis temperature can be achieved by direct or indirect heating. Direct heating geometries include the Shell in-situ conversion process (ICP) using downhole

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Crusher equipment and pulverizing mills for shale crushing ...

Shale rock crushing and grinding process. The whole process of shale comminution usually consists of primary crushing, secondary crushing and fine crushing. Shale rock of different sizes are inserted into the jaw crushers for size reduction. Generally grinding is carried out in one or two stages, while three grinding stages can also be performed.

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Evolution of the Oil Shale Permeability under Real-Time ...

Nov 24, 2021 · This paper adopts a real-time high-temperature triaxial seepage test system to study the permeability evolution of oil shale in the Jimusar area, Xinjiang, with the temperature, pore pressure, and volumetric stress. The results indicate that (1) the variation process of the oil shale permeability with the temperature can be divided into three stages: slow growth stage from 20 to 350°C ...

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DOE/ EIS-0070 U.S. Department of Energy August 1980 and ...

su pporting facilities would requ ire mining and crushing the oil shale, trans­ porting the raw shale to the re tort, re torting, transporting the shale oil to storage tanks, disposing fines and spent shale, and transporting the crude shale oil from the site. Presently, the existing An vil Points semiworks and

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Constrain on Oil Recovery Stage during Oil Shale ...

Nov 23, 2021 · In this work, Huadian oil shale was extracted by subcritical water at 365 °C with a time series (2–100 h) to better investigate the carbon isotope fractionation characteristics and how to use its fractionation characteristics to constrain the oil recovery stage during oil shale in situ exploitation. The results revealed that the maximum generation of oil is 70–100 h, and the secondary ...

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Shale Crushing Process-HN Mining Machinery Manufacturer

Shale crushing production process.The design adheres to the principle and design concept of environmental protection, safety, reliability, high efficiency, intelligence, energy saving, complete set , adopts advanced design methods, and adopts the world's new mobile crushing station technology in the design, according to the needs of customers ...

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Environmental Sampling Of Paraho Oil Shale Retort Process ...

Shale will generally be mined by conventional room and pillar methods. Crushing is necessary before retorting. Shale is crushed in two stages—primary crushing at the mine and secondary crushing at the retort site. THE Central to the process is the Paraho vertical kiln shown in cutaway isometric in figure 1, It consists of a vertical vessel ...

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Shale Oil Recovery Technology - Introduction - Description ...

Jul 13, 2010 · CCR Process (American Shale Oil) – injects superheated steam into oil shale rock. Crush Process (Chevron) – injects heated carbon dioxide into fractured oil shale rock. We shall examine Shell Oil’s In Situ Process, which has been on trial in the Mahogany Research Project in Colorado, in more detail.

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(PDF) An Overview of Oil Shale Exteraction and Processing

The AGR process includes mining the oil shale and retorting these mined deposits in heating vessels known as retorts. ... high operating and safety costs are shown for the process due to crushing ...

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Revolutionizing the Oil Shale Industry With NEW Tech ...

Nov 23, 2021 · Conventional oil shale mining requires a process called retorting. This involves heating organic shale to about 900 degrees F after which it decomposes into gas, a solid residue, and condensable oil. If this process takes place while the shale

Read More
Oil shale extraction

is an industrial process in which kerogen mdash;a mixture of organic chemical compounds (including hydrocarbons) found in oil shale mdash;is converted into synthetic crude oil through pyrolysis. In pyrolysis, oil shale is heated in the absence of

Read More
COMPARISON OF HEATING METHODS FOR IN-SITU OIL

Technologies for oil shale production include surface and in-situ retorting. This study focusses on in-situ oil shale production methodologies. The process of heating oil shale to the pyrolysis temperature can be achieved by direct or indirect heating. Direct heating geometries include the Shell in-situ conversion process (ICP) using downhole

Read More
Fluid flow through packed columns of crushed oil shale ...

A continuous process for treating raw oil shale to produce shale oil of improved quality and yield is described which consists of the following steps: a. crushing and grinding the raw oil shale, b. heating and drying the crushed and ground shale, c. passing the heated and dried shale particles to a slurry mixer where it is mixed with hot heavy ...

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An Assessment of Oil Shale Technologies (Part 7 of 18)

Ch 5– Technology 121 Figure 19.–Oil Shale Utilization Mining & Crushing or In situ retort Wastes & b preparation byproducts 7 Treated Re-Use ~ % * Reinfection m ~ water Discharge a ~ o Y ? -

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Shale Oil Development and Exploration

conversion process that looks promising for the future of shale oil production. Shale oil has had a long history in the United States. The federal government first realized its usefulness in the early nineteenth century. Since then, several attempts have been made to develop a process that can economically produce shale oil on a commercial scale.

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Evolution of the Oil Shale Permeability under Real-Time ...

Nov 24, 2021 · This paper adopts a real-time high-temperature triaxial seepage test system to study the permeability evolution of oil shale in the Jimusar area, Xinjiang, with the temperature, pore pressure, and volumetric stress. The results indicate that (1) the variation process of the oil shale permeability with the temperature can be divided into three stages: slow growth stage from 20 to 350°C ...

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The Folly of Oil Shale - Reports Highlight the Tremendous ...

Aug 17, 2011 · The process of oil shale extraction, which is akin to literally squeezing oil out of solid rock, incurs substantial environmental impacts for air, land, wildlife, and water resources (see NRDC’s ...

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Why the Cushing Storage Hub Matters to Oil

Oct 16, 2020 · Why the Cushing Storage Hub Matters to Oil. 10/16/2020. The oil market has begun to adjust to the “new normal” in the global economy, with significantly lower fuel demand and decreased oil production. In the wake of the demand collapse and lower refinery utilization rates, storage levels for crude oil have finally peaked and are starting to ...

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Oil Shale | Properties, Composition, Uses » Geology Science

May 09, 2019 · Oil Shale is organic-rich sedimentary rocks that have contain kerogen (insoluble organic matter in sedimentary rock. ... crushing, and handling creating small particles called fines. Fines require different retorting approaches than lump shale. ... Extracting and processing shale oil is an expensive and difficult process. Coal, petroleum, and ...

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Constrain on Oil Recovery Stage during Oil Shale ...

Nov 23, 2021 · In this work, Huadian oil shale was extracted by subcritical water at 365 °C with a time series (2–100 h) to better investigate the carbon isotope fractionation characteristics and how to use its fractionation characteristics to constrain the oil recovery stage during oil shale in situ exploitation. The results revealed that the maximum generation of oil is 70–100 h, and the secondary ...

Read More
Current Status and Energy Analysis of Oil Shale’s ...

Feb 12, 2021 · The front-end process of oil shale crushing, drying, preheating, etc. is the same as the traditional Galoter process, but the difference is semi-coke combustion. One of the differences is that the combustion of the semi-coke and dry distillation gases takes place in a circulating fluidized bed. Another difference is that the shale is pyrolyzed ...

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Utilization of Waste Rock from Oil Shale Mining

Power stations consume oil shale with net heating value Qr i = 8.4 ... 11 MJ/kg. Net heating values of oil shale used for retorting and chemical processing must be approximately 11.4 MJ/kg [PAPER II]. Annually circa 15 million tonnes of oil shale are extracted, 50% is mined in underground mines and 50% is mined in surface mines. Oil shale waste ...

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