shale crushing method

(PDF) INTERDEPENDENCE BETWEEN POINT LOAD …

One method was employed to determine the conversion factor for each sample separately. For example, for finding the value from PLTI normal to UCS for oil shale, the conversion factor was 14.0 ± 5.4 with a probability of 95% (Table 1). ... [29]. Test results show that the resistance of Jordan oil shale to crushing is similar to that of Estonian ...

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Method Statement for Material Crushing | Builders …

2013-12-3 · Method Statement for the crushing of rock and or demolition material on site using a dedicated material crusher. This document is to be read in conjunction with all operating procedures supplied by the manufacturer/supplier. These will apply to the operation of …

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Experimental Study on the Pore Shape Damage of Shale ...

2021-2-4 · Using crushed shale samples to obtain pore information from the gas adsorption experiments is a widely used method. Previous studies have evaluated the impact of the particle size on the pore size distribution, but potential pore shape damage during the crushing process has …

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Oil Shale

2015-8-25 · 2. Methods. The aim of this study was to collect data to design mining and choose an appropriate crushing technology. For this purpose, laboratory tests were per- formed on samples of shale rock from central Jordan, in order to determine its physical and …

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US1314752A

US1314752A US1314752DA US1314752A US 1314752 A US1314752 A US 1314752A US 1314752D A US1314752D A US 1314752DA US 1314752 A US1314752 A US 1314752A Authority US United States Prior art keywords concrete burned shale cement rock Prior art date 1919-09-02 Legal status (The legal status is an assumption and is not a legal conclusion.

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Method for extracting oil from oil shale

A method for extraction of oil from oil shale in which the shale is first crushed and then classified by a rotating trammel screen into four separate portions of differing longest particle dimension, namely less than 1/4 inch, less than 1/2 inch, less than 3/4 inch and greater than 3/4 inch, with the first three portions being treated while passing through the trammel screen and each portion then separately centrifuged …

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Methods Improve Shale Core Analysis

2021-5-18 · gas shale in which microfracturing is de-noted by pervasive pink streaks, caused by infusing the sample with a pink epoxy during preparation. Understanding the effect of these artifacts on rock properties, and their consistent removal prior to ini-ta ng p ro ey m su, h d om int fcu slb ry e g tight shales. The most consistent method for elim -

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US4737267A

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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BS 812-110 (1990). Testing Aggregates. Method for ...

Method for determination of aggregate crushing value. British Standards Institution. has been cited by the following article: ... The results indicated that whereas the rock-like shale in the un-soaked state met all the Ministry of Roads and Highways strength specifications for road aggregates, it lost practically all its strength in the soaked ...

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Shale Oil Recovery Technology

2010-7-13 · There are two methods; in situ processing and above surface retorting, the surface retorting causing considerable waste from oil shale recovery process. The in situ process involves drilling into oil shale rock and blasting the area to form fractures. After this, two sets of wells are sunk into the rocks; one set used to inject a hot medium into the shale…

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Measurement of total porosity for gas shales by gas ...

2016-12-15 · Porosity is considered one of the most important rock physics parameter when evaluating a gas shale reservoir''s production potential. The measurement of total porosity by the gas injection porosimetry (GIP) method in these low permeability rocks with complex mineralogy has usually proven to …

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Evaluation method of water saturation in shale: A ...

2021-6-1 · A novel evaporation method (Kazak and Kazak, 2019) emerging on the basis of retort has been specially designed in the characterization applications of shale reservoirs the evaporation method, crushed sample is heated to acquire vapor water under an elevated temperature with a maximum of 350 °C, and the volume or mass of residual water of a low water saturation less than 1% …

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Methods of testing crushed aggregate

Methods of testing crushed aggregate Products. As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any size-reduction requirements including, Methods of testing crushed aggregate, …

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US3700280A

A new and improved method of recovering hydrocarbons and dawsonite decomposition products from a subterranean oil shale formation containing substantial amounts of nahcolite and dawsonite comprising penetrating said formation with at least one well borehole and forming a cavern therein. A hot fluid is circulated in the upper region of the cavern to effect formation of carbon dioxide by ...

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Simulation of shale–proppant interaction in hydraulic ...

In this paper, a three dimensional discrete element method (3D DEM) was proposed and deployed to simulate shale–proppant interaction in hydraulic fracturing.Shale is represented by particles with cement bond, and proppant is represented by particles without a cement layer. The velocity Verlet method is implemented to substitute the traditional central time integration scheme.

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Method of retorting oil shale using a geothermal …

The U.S. Department of Energy''s Office of Scientific and Technical Information

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MICROWAVE ACTIVATED CRUSHING AND GRINDING OF …

2017-1-17 · 3mm fractions of Şırnak asphaltite, shale and coal marl bond work index increased to 23%, 21% and 12%,respectively and HGI raised to 46%, 24% and 14%. Bond work index of porous coal did not change. The optimum crushing and grinding method for clean coal production was discussed and designed. The Standard Bond Grindability Test

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Methods Improve Shale Core Analysis

2021-5-18 · from gas shale reservoirs by using crushed material to enable better access to the pore space, a high-throughput retort system practical for commercial-scale analysis to separately measure free/bound/structural water volumes, visually distinguish water from oil, and pressure transient analyses to determine permeability. Applying conventional core analyses

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New Calculation Method and Application of Gas Loss …

2020-5-26 · 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 loss, and total gas content are calculated, and then analyzed the influences of the shale …

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Shale | Properties, Composition, Formation, Uses » …

Shale is the most common sedimentary rock, which accounts for about 70 percent of the Earth''s crust. Shale is a fine-grained rock made of compressed mud and clay. The defining characteristic of the shales is its fragility. In other words, shale is easily divided into thin layers. Black and gray shales are common, but the rock can appear in ...

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CRUSHING OIL SHALE WITH NUCLEAR EXPLOSIVES

This invention relates to crushing oil shale with nuclear explosives. In one aspect the invention relates to creating a mass of shale rubble from which oil can be recovered in situ. In another aspect the invention relates to a method for increasing the yield of crushed or shattered shale from the detonation of a nuclear device in an oil shale ...

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Rock Strength (Shear strength, compressive strength ...

2011-3-28 · Crushing in breakout apex Plus some others… Fissile shale sloughing if the borehole axis is close to parallel to fissility axis ... An indirect method, the Brazilian disk test, is used For a large reservoir, T o may be assumed to be zero because of joints, bedding planes, etc. A

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PRIMARY METHOD FOR REDUCTION OF SO2 EMISSION …

2011-5-19 · J. Kleesmaa et al. 326 Fig. 2.Results of mode tests of primary method. Source data subjected to changes: Cb – price of oil shale, €/t CCO2 – price for CO2 emission, €/t CNOx – investment in flue gas circulation, million € CROx – investment in finer crushing of oil shale dust, million € CW – investment in water injection, million €

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(PDF) Utilization of waste rock from oil shale mining ...

Mining and crushing technologyThe commercial oil shale bed (F/A) is extracted unselectively (bulk extraction) using a drilling and blasting method in underground and opencast mining, selectively of three seams (F/E, E/C and C/B) in opencast using a ripper and excavator and highly selectively in opencast using a Surface Miner Wirtgen 2500SM.

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Method for in situ shale oil recovery (Patent) | OSTI.GOV

OSTI.GOV Patent: Method for in situ shale oil recovery. Method for in situ shale oil recovery. Full Record; Other Related Research

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Application Prospects in China of Oil Shale In Situ …

Oil shale resources is a new energy has a huge potential for development, as the complement and alternative energy of the oil and gas, more and more people pay attention to it. China''s oil shale resources are widely distributed and reserves are huge, but current mining methods are still primitive, mainly to direct exploitation, exploitation efficiency is low and ecological damage is serious ...

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Total porosity measurement in gas shales by the water ...

2019-8-31 · Total porosity measurement for gas shales without using crushed rock is presented. The method uses a modified saturation – immersion technique with deionized water. Porosity values are reproducible within a low average absolute uncertainty. Swelling in gas shales during saturation with deionized water is not significant.

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Petrophysical and mineralogical evaluation of shale gas ...

2014-7-31 · 1.7 Roseneath and Murteree Shale Geological and Geochemical Characteristics 23 1.8 Methodology 23 1.8.1 QEMSCAN, XRD, Micro and Nano CT-Scanning, FIB/SEM 1.8.2 Helium Porosimetry 1.8.3 Mercury Injection Capillary Pressure (MICP) Techniques 1.8.4 Core Crushing Method/Liquid Pyknometry 1.8.5 Log Interpretation 25 27 28 28 28

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Oil shale processing apparatus and method (Patent) | …

OSTI.GOV Patent: Oil shale processing apparatus and method. Oil shale processing apparatus and method. Full Record; Other Related Research

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Total porosity measurement in gas shales by the water ...

The current energy industry standard technique for measuring porosity in gas shales is based on methodology developed by the Gas Research Institute (GRI) that involves crushing a rock and aggressive pretreatment. The objective of this study is to develop an alternative method of measuring total porosity in gas shales.

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Laboratory characterization of the porosity and ...

2017-9-1 · The method proposed, commonly referred to as the GRI or crushed shale method, CSM, involves conducting transient pressure experiments on crushed shale using an experimental set up similar to that illustrated in Fig. 1. Crushed shale is placed into a sample chamber into which helium gas is expanded from a reference chamber at a known initial pressure.

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Total porosity measurement in gas shales by the water ...

2019-8-31 · (GRI) that involves crushing a rock and aggressive pretreatment. The objective of this study is to develop an alternative method of measuring total porosity in gas shales. A porosity measurement using a liquid saturation and immersion technique with deionized water was adopted and modified for such applica-tions.

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Diffusion characteristics of nanoscale gas flow in shale ...

2016-2-19 · Property measurement of crushed shale. Luffel et al. introduced the GRI method to measure low permeability using the crushed sample and stated that the method is suitable to determine shale properties at nanopore scale because sample crushing practically eliminates micro-fractures in the matrix.The method can be conducted using an apparatus which is similar to a double cell porosimeter, …

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Oil Shale

2015-8-25 · between PLTI and UCS for Jordan oil shale and dolostone was determined. The Crushing Resistance Test (CRT) on samples was conducted. Taking into consideration confidence limits, the recommended conversion factor 1 for Attarat oil shale and dolostone is respectively 14 and 12 and the recommended conversion factor 2 is 33 and 12, respectively.

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A New Rapid Method to Assess the Durability of Shale ...

2019-4-19 · For the crushed samples, specimen were initially air dried and then crushed using a jaw crusher with predetermined maximum and minimum dimensions of 15.88 mm and 9.53 mm. After initial crushing, 1000 g of crushed shale pieces were passed through an 8 mm sieve and retained on No. 4 (4.76 mm) sieve.

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Laboratory characterization of the porosity and ...

2018-5-22 · Crushed shale is placed into a sample chamber into which helium gas is expanded from a reference chamber at a known initial pressure. The pressure rapidly drops to a value dictated by the dead space in the sample cell, then it decays more slowly to a lower pressure as the gas moves into the pores within the crushed shale particles.

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