Utilization of Waste Rock from Oil Shale Mining

2012-3-27 · crushing, a method that liberates weak oil shale particles from hard limestone waste rock. The first crushing and screening plant with two stage impact crushers was installed in "Aidu" open cast. The productivity of the plant in 1996 was 350 tonnes of aggregate per day, yield of the aggregate from waste rock 40% and

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 ...

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.

Characterization and Analysis of Porosity and Pore ...

Porosity plays a clearly important role in geology. It controls fluid storage in aquifers, oil and gas fields and geothermal systems, and the extent and connectivity of the pore structure control fluid flow and transport through geological formations, as well as the relationship between the properties of individual minerals and the bulk properties of the rock.

Aggregates for Concrete

2017-8-5 · methods, p. E1-2 3.1—Grading 3.1.1—Definition and test method ... Crushing, screening, and washing may be used to process aggregates from either ... shale, or slate used for lightweight aggregates. Some lightweight aggregates …

Utilising selective extraction, crushing and separation of ...

2015-8-25 · methods for selective extraction of limestone, oil shale and phosphate rock have been selective blasting, bulldozer and excavator ripping and cutting by surface miners. Selective crushing has been achieved by axle crusher and separation by jigging. All methods have shown promising results for changing the waste rock balance in the product.

Oil shale beneficiation by size reduction combined with ...

This invention discloses a method of enriching raw oil shale by crushing and pulverizing raw oil shale or similar oil bearing materials into smaller, lean oil particles and larger, oil rich particles; floating the larger, oil rich particles in a heavy media organic liquid which causes the oil rich lighter particles to float on the surface and causes the heavier, mineral containing particles to ...

Method and apparatus for burning damp oil-shales of low he…

2018-5-22 · the laboratory method most commonly used by industry to assess the porosity and permeability of shale samples – namely the crushed shale method. In doing so, it attempts to identify causes of discrepancies between laboratories and …

Mechanical and performance-related properties of …

2021-10-25 · The Abakaliki region is naturally endowed with enormous natural aggregates obtained by crushing intact rocks with the studied indurated shale, regarded as one of such aggregate source. Crathchley and Jones ( 1965 ) and Obiora and Charan ( 2011 ) attributed the induration of this calcareous shale in the region to the baking effect which resulted ...

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 not been thoroughly investigated.

The Effect of Particle Size on the Interpretation of Pore ...

2021-4-24 · 200nm, has become one of the most popular methods to characterize the pore structures in shale formations [9–12]. Due to the low permeability nature of shale samples, using larger piece aliquots to perform the N 2 adsorption could cause low diffusion of gas molecules to access the pores. Therefore, crushing the samples, to create ...

Multi-scale pore structural change across a ...

1. Introduction1.1. Background. Improved knowledge concerning shale rocks is important because of their involvement in oil and gas production, gas storage, carbon dioxide sequestration, radioactive waste repositories, and civil engineering (Kim et al., 2017; Liu et al., 2019; Jarvie et al., 2005).Understanding the pore structure of shale rocks is necessary to predict gas storage, …

Sample Preparation

2020-9-8 · agate mortar (Fig. 2), and the powdery oil shale was placed in sample boat for use as the measurement sample. Fig. 1 Oil Shale Fig. 2 Crushing Treatment Fig. 3 Measurement Sample Direct Combustion Method Using TOC Solid Sample Measurement System 9 Does not require extraction or other pretreatment, and has high recovery rate and accuracy.

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

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 be challenging.

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 ...

Application Prospects in China of Oil Shale In Situ Mining ...

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 …

PhiPsi

2021-9-16 · XFEM-based numerical modeling of well performance considering proppant transport, embedment, crushing and rock creep in shale gas reservoirs [J]. Journal of Petroleum Science and Engineering, 2021, 201, 108523. Click …

3138 AGGREGATE FOR SURFACE AND BASE COURSES …

2020-4-15 · Max Shale, if No. 200 ≤ 7% by mass NA 10.0% 10.0% 7.0% Max Shale, if No. 200 > 7% by mass NA 7.0% 7.0% 7.0% Minimum Crushing Requirements * NA NA 10% 15% Maximum Los Angeles Rattler (LAR) loss from carbonate quarry rock 40% 40% 40% 35% Maximum Insoluble residue for the portion of quarried carbonate aggregates

Fracture toughness anisotropy in shale

The Mancos shale is an Upper Cretaceous shale deposited 90–70 ... porosity were both measured using the Helium pycnometer in the Fragmentation Laboratory at LMU Munich before and after crushing of the sample, respectively. The …

AxeBlade-

2017-3-1 · This cutting method achieves at least 22% deeper penetration and removes more formation to provide higher instantaneous ROP using the same weight on bit and rpm applied to conventional PDC cutters. Because Axe elements can be used in many bit designs, the AxeBlade bit can be deployed in a variety of applications in which enhanced ROP is needed to reduce …

Thermal–Mechanical Modeling of a Rock/Proppant System …

2021-9-13 · Under high temperature and stress reservoir conditions, proppant embedment induced by the time-dependent creep behavior of shale rocks has posed great challenges to the long-term maintenance of fracture conductivity in unconventional reservoirs. In this study, a numerical workflow combining a 3D continuum–discrete mechanical coupling approach with …

(PDF) Utilization of Waste Rock from Oil Shale Mining. TUT ...

2011-4-27 · crushing, a method that liberates weak oil shale particles fr om hard limestone waste rock. The first crushing and screening plant with two stage impact crushers was

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

Building crushing, sand and gravel equipment manufacturer

Slag is a by-product of the blast furnace ironmaking process... 1000tph limestone impact crusher pf. Limestone mobile crusher sales price. Granite crushing production line 300tph. Granite mining equipment price. Sand making machine vsi5x installation cost. …

Dry screening and crushing of oil shale waste rock, cycle ...

Download scientific diagram | Dry screening and crushing of oil shale waste rock, cycle of the test. from publication: Valgma, I.; Leiaru, M.; Karu, V.; Iskül, R. (2012). Sustainable mining ...

New Calculation Method and Application of Gas Loss From ...

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 ...

(PDF) Shale Permeability Measurements on Plugs and …

This method is in many ways similar to the GRI technique, typically used for the characterization of crushed shale samples (e.g., Luffel et al., 1993;Cui et al., …

PHYSICAL AND MECHANICAL PARAMETERS OF …

2012-8-21 · method was done. 2. Determination of dynamic properties by acoustic method 2.1. Experimental To follow the standards of pulsating experiments by the acoustic method given in Geotechnical Testing and Monitoring Manual [5], fresh and weathered oil shale and rock samples were measured in both horizontal bedding orientation and vertical bedding ...

11.25 Clay Processing

2015-9-10 · rification point below 1100°C (2000°F). Shale is a laminated sedimentary rock that is formed by the consolidation of clay, mud, or silt. Common clay and shale are composed mainly of illite or chlorite, but also may contain kaolin and montmorillonite. Most domestic clay is mined by open-pit methods using various types of equipment, including

Occurrence and influence of residual gas released by crush ...

Abstract. The composition of gas released under vacuum by crushing from the gas shale of Longmaxi Formation in Upper Yangtze Plate, Southern China was systematically investigated