Oil Shale Processing, Chemistry and Technology | SpringerLink
Introduction. This entry focuses on the chemical nature of oil shale, and some key aspects of its conversion to oil. One of the first difficulties encountered in this field is deciding …
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New Calculation Method and Application of Gas Loss From Coring Shale
On the basis of this study, the onsite desorption gas measuring device and testing process for coring shale gas wells are designed, the time-varying shale desorption gas is obtained, and the residual gas of shale is measured by the crushing method. The calculation formula of shale gas content is obtained by fitting the test data, the shale gas ...
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Fang SHI | Associate professor | Ph.D in solid mechanics
（eXtended Finite Element Method,XFEM）（Finite Element Method,FEM）,、 ...
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Processes | Free Full-Text | Influence of Shale Mineral
Shale reservoirs typically exhibit high density, necessitating the use of horizontal wells and hydraulic fracturing techniques for efficient extraction. Proppants are commonly employed in hydraulic fracturing to prevent crack closure. However, limited research has been conducted on the impact of shale mineral composition and proppant …
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Crushing Technology for Reducing Emissions in Cement …
Some crushing methods must be provided for the emission reduction of mines. It includes mixed crushing and pre-screening crushing. Skip to content. ... Sandstone and siltstone are highly abrasive, while shale and weathered materials are soft and easy to absorb water and distribute stickiness. This kind of mixed ore brings great …
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Review of oil shale in-situ conversion technology
Furthermore, Zhao et al. proposed the concept of in-situ fracturing using methods to reduce blocks of oil shale from large to small at the initial stage of in-situ mining [155], such as using the crushing wind to break the oil shale, but it …
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(PDF) Advancements and Environmental Implications in Oil …
The review further delves into the chemical aspects of oil shale retorting and pyrolysis, highlighting the critical role of variables such as retorting temperature, …
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Review of oil shale in-situ conversion technology
In-situ artificial crushing and retorting technology calls for techniques of constructing artificial works underground, crushing the oil shale into small pieces, …
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How Cement is Made
Other materials used to manufacture cement include: shells, chalk, shale, slate, silica sand, iron ore, and blast furnace slag. The Cement Manufacturing Process While each cement plant may differ in layout, …
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XFEM-based numerical modeling of well performance
The problem formulation and solution strategy including the governing equations, the extended finite element method, the mathematical description of the propped fracture, as well as mechanical models of proppant crushing and shale creep are presented in Section 2.
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CHAPTER THREE Oil Shale Technologies
Oil shale can be mined using one of two methods: underground mining, most likely using the room-and-pillar method, or surface mining. In general, surface …
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An Overview of Oil Shale Exteraction and …
Crude shale oil can either be extracted by in situ or ex situ processes. The main in situ processes involve the True In Situ (TIS) process and the Modified In Situ (MIS) process, whilst the ex...
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Influence of structural damage on evaluation of microscopic …
1. Introduction. With the successful development of shale gas in North America and the optimization of the global energy structure, oil-gas resources in shale reservoirs have gradually become the focus of exploration and development in many countries (Desbois et al., 2011; Zou et al., 2012; Wang et al., 2017).Marine continental …
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Oil shale selective crushing test results with ALLU crushing …
Tests with dry crushing have been carried out on several sites with oil shale, run of mine ( Fig. 2) and waste rock in addition to sand and gravel crushing. The material has been evaluated and ...
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Research on the Shale Reservoir Sensitivity by Using the …
Shale reservoirs have diverse mineral types, and analyzing the sensitivity of the mineral composition to shale pores is of great scientific and engineering significance. In this paper, first, X-ray diffraction (XRD) experiments on shale mineral compositions are carried out, and the characteristics of pore structure changes after shale mineral …
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CHAPTER THREE Oil Shale Technologies
Oil shale can be mined using one of two methods: underground mining, most likely using the room-and-pillar method, or surface mining. In general, surface mining is ... 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
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Occurrence and influence of residual gas released by crush methods …
Fig. 8 deduces the possible influencing mechanisms of residual gas released by the crushing method on the pore structure. After the crushing process, the shale was excessively crushed and refined to 100−200 mesh, the residual gas released and some of the ink bottle-shaped pores and inclusions type pores are released (Fig. 8a, b). This …
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Study on the Durability of High-Content Oil Shale Concrete
This study evaluated the potential and environmental benefits of using oil shale residue as a replacement for fine aggregate in concrete through a series of experiments. Initially, the crushing value test confirmed the oil shale residue's value at 16.7%, meeting the load-bearing standards for fine aggregates, thus proving its viability …
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An Overview of Oil Shale Exteraction and Processing
Total resources of a selected group of oil-shale deposits in 33 countries is estimated at 411 billion tons of in-place shale oil which is equivalent to 2.9 trillion U.S. barrels of shale oil.
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STRENGTH PROPERTIES OF ROCKS AND ROCK MASSES
Shale Av. Co Max. Co Min. Co Range No. of samples 181.7 324.0 48.8 275.2 26 214.1 358.6 104.8 253.8 16 174.4 251.0 84.5 166.5 24 ... indirect methods such as the splitting tension test (also called Brazilian or diametral ... avoid crushing that could throw doubts as to the mechanism of failure in the test sample. Strips
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Shale gas production costs: Historical developments and …
Key parameters and evaluation methods of shale gas show that it is not possible to guarantee the commercial and economic development of shale gas by sorting out geological sweet spots only according to technical indicators. ... such as proppant crushing and proppant embedment, resulting in a reduction in hydrocarbon production. …
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Oil Shale
Oil shale is a type of sedimentary rock that is rich in kerogen. Kerogen is a part of rock that breaks down and releases hydrocarbons when heated. Hydrocarbons are substances made entirely of hydrogen and carbon. Petroleum and natural gas are probably the most familiar . hydrocarbons.The hydrocarbons in oil shale can be used as an …
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Greenhouse Gas Emissions during Oil Shale Crushing and Its …
Using the analysis methods of geochemistry, mineralogy, and petrophysical properties, the GHG release characteristics in the oil shale residual gas obtained by the …
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Measurement of total porosity for gas shales by gas injection
It involves crushing a sample to accelerate the core cleaning process and to facilitate helium intrusion into pore space. The crushed-rock method used for shale formations provides rapid results for the total porosity measurements. Although cuttings can substitute plug sample for some rock properties analyses, core plugs with regular shape …
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XFEM-based numerical modeling of well performance …
caused by proppant deformation, embedment, crushing, and viscoelasticity of the reservoir. In order to obtain more in-depth knowledge of how these factors influence the gas production, a novel approach is proposed to simulate the processes of both hydraulic fracturing and gas production using the extended finite element method (XFEM).
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A novel method to evaluate cleaning quality of oil in shale …
Since the works mentioned above have failed to properly address the cleaning quality of hydrocarbons in shale, looking for an appropriate method is of inevitable importance. 2, 5, 7. ... which has proven not to alter the integrity of the grain‐size composition in shale during crushing. 8 Rinse the crushed aliquots with deionized …
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Effect of Shale Sample Particle Size on Pore Structure …
Shale sample B7191 at the depth of 2191.82m (7191ft) from Blakely #1 core in Wise County of Texas was used in this study. Barnett Shale was a marine shelf deposit, and its thickness is from 61 to 305m across the Fort Worth Basin. Barnett Shale can be divided into three sublayers: upper Bar-nett Shale, Forestburg limestone, and lower …
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environmental geology chapters 14-16 Flashcards
The original method of processing oil shale involved crushing the rock and then heating it. What environmental problem did this create that the new method (heating the rock in place) seeks to avoid? Disposing of large volumes of waste rock. Gas hydrates represent a potential source of natural gas. Which of the following is the primary reason ...
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A novel laboratory method for reliable water content determination of
Determination of fluid saturation in a core sample using a classical retort method is based on rock sample heating at atmospheric pressure without a solvent and measuring the volumes of extracted water and oil (API, 1998).Similar to the Dean-Stark technique, the retort method after a slight modification (samples crushing and weighing …
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CN102808603A
The invention relates to a cold and hot alternating high-speed airflow oil shale crushing device and a method for crushing an oil shale. The device is formed in such manners that an air compressor is connected with an air inlet pipeline through a pipeline via a first valve, an air heater and a second valve; the air compressor is …
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