MTW European Type Trapezium Mill
Input size:30-50mm
Capacity: 3-50t/h
LM Vertical Roller Mill
Input size:38-65mm
Capacity: 13-70t/h
Raymond Mill
Input size:20-30mm
Capacity: 0.8-9.5t/h
Sand powder vertical mill
Input size:30-55mm
Capacity: 30-900t/h
LUM series superfine vertical roller grinding mill
Input size:10-20mm
Capacity: 5-18t/h
MW Micro Powder Mill
Input size:≤20mm
Capacity: 0.5-12t/h
LM Vertical Slag Mill
Input size:38-65mm
Capacity: 7-100t/h
LM Vertical Coal Mill
Input size:≤50mm
Capacity: 5-100t/h
TGM Trapezium Mill
Input size:25-40mm
Capacity: 3-36t/h
MB5X Pendulum Roller Grinding Mill
Input size:25-55mm
Capacity: 4-100t/h
Straight-Through Centrifugal Mill
Input size:30-40mm
Capacity: 15-45t/h
Structure and structure of carbonaceous shale
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Carbonaceous Shale an overview ScienceDirect Topics
Ore structure and structure: The ore structure is mainly a cryptocrystalline and variable residual fine silt structure The secondary structure is a granular, colloidal, and pseudocrystalline structure2024年1月16日 Carbonaceous shale is a black colored sedimentary rock, associated with coal formation as alternate layers of coal (normally lignite) and carbonaceous shale Shale is also Carbonaceous Shale and Diagenesis Wiley Online Library2018年11月6日 Carbonaceous shale which is sandwiched in coal seam and was formed during coal formation is mainly composed of minerals and organic carbon During the coal production, Characterization and Identification of Coal and Carbonaceous 2024年2月1日 Both compressive stress and carbonate cementation influence heterogeneity of shale pore structure and shale gas production Shale gas exploration in the Dingshan plunging Factors controlling the heterogeneity of shale pore structure and
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Study on mechanical properties and damage evolution of
Yang et al (2019) established a model to recognize the carbonaceous shale from coals using visible and nearinfrared reflectance spectroscopy In general, the mechanical properties of 2022年7月18日 The effects of the dry–wet cycles and fissure angles on the energy evolution during the rock failure process were analyzed The relation between the strength, energy, and Study on mechanical properties and energy characteristics of 2024年5月3日 In this paper, pure carbonaceous shale is taken as the research object, and the mechanism of the influence of slip water and reflux fluid on the pore throat structure is Experimental study on the influence of external fluids on the pore 2023年2月8日 To investigate the disintegration and microstructure characteristics of carbonaceous shale in highlatitude cold regions, indoor, outdoor, initial particle size, and freeze–thaw disintegration experiments were Disintegration Characteristics Investigation of
Investigation of pore structure and fractal characteristics of
2016年2月1日 In order to study pore structure and fractal characteristics of the organicrich marine shale, fourteen shale samples from Lower Cambrian Qiongzhusi formation in Malong 2022年3月22日 The pore structure of the Lower Carboniferous Dawuba Formation shale in the Qianxi area, represented by the well QSD1, which obtains a daily shale gas flow of 10,000 m 3 and represents an important The WholeAperture Pore Structure Characteristics and Carbonaceous Shale Tunnels Jun Gao 1,2,a,*, Guotang Zhao 2, Juntao Kang 1, Dongsheng Xu 1,3, Huiling Xue 1, Yucheng Wang 4 1 In tunnel engineering, carbonaceous shale is often used as a support structure to reduce the risk of tunnel collapse and deformation [4] This type of rock can be achieved by strengthening the foundation Mechanism and Control of Large Deformation in Carbonaceous Shale The organic matter and clay minerals in carbonaceous shale were found to play a significant role in enhancing the permeability and absorption rate by the presence of abundant mesopores In this paper, to investigate the influence of pore structure in the Qiongzhusi shale on the spontaneous imbibition characteristics, Experimental study on the influence of pore structure on
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Characterization of multiscale pore structure and analysis of
2023年2月7日 In order to explore the reservoir characteristics of shallow shale gas reservoir in Zhaotong and its differences with other shale gas blocks in Sichuan Basin, the pore structure of Zhaotong shale gas reservoir was comprehensively studied by various means, including X ray diffraction, gas adsorption (CO2, N2), NMR, and field emissionscanning electron microscopy 2020年11月23日 The Mamu Formation source rocks in the Anambra Basin are targets for shale gas reservoir However, fundamental data on the critical pore structures for assessing the shale reservoir capabilities are lacking In this study, the source rocks were investigated for their mineralogical compositions and pore structure characteristics by Xray diffraction, accelerated Mineralogical and pore structure of organicrich deltaic shales 2023年1月1日 Freezing by liquid nitrogen (LN 2) can noticeably alter the rock structure of rocks, which can find application in the extraction of clean natural gas for shale gas reservoirsMore natural gas exists in the deep shale formation However, the pore structure alteration of deep shale treated by LN 2 freezing remains unclear To address this issue, experiments were Experimental study on pore structure alteration of deep shale 2015年11月5日 In order to study pore structure and fractal characteristics of the organicrich marine shale, fourteen shale samples from Lower Cambrian Qiongzhusi formation in Malong block of eastern Yunnan (PDF) Investigation of pore structure and fractal characteristics of
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Characterization of shale matrix pore structure via experiment
2018年6月23日 Shale gas reservoirs develop multiscale pores ranging in size from nanometer to micrometer, the characteristics of gas transport involve the multiscale pore space which divided into organic and inorganic matrix pores This paper reveals the shale pore structure with large amounts of organic mesoporous based on the techniques of focused ion beam scanning 2022年6月6日 Carbonaceous shales have a thinlayer structure, with carbonaceous enrichments and coal interlayers in some parts The upper part is a strongly weathered layer with a thickness of 6–8 m, and the lower part is the weakly weathered layer Joints in carbonaceous shales are developed, and the rock mass is a little fracturedAsymmetric large deformation of tunnel induced by groundwater 2024年1月16日 In the sedimentary basin shale can be identified by its layered structure and through its breaks along the bedding planes Carbonaceous shales are not a very strong material, and weather, for example rain or snow, can change the chemical properties Carbonaceous shale contains silt, but clay and pyrite are also found in a good quantitiesCarbonaceous Shale and Diagenesis Wiley Online Library2024年1月28日 Characterizing the microscopic pore systems in shale reservoirs is crucial for understanding their impact on shale oil and gas enrichment Although significant strides have been made in understanding the pore structure characteristics, research on pore structures related to smallscale sedimentary structures remains limited This study investigated the multi Pore Structure Characterization of Lacustrine Shale and its
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The origin, type and hydrocarbon generation potential
2018年4月26日 This organicrich shale was analyzed to determine the type, origin, maturity and depositional environment of the organic matter and to evaluate the hydrocarbon generation potential of the shale2022年6月1日 Semantic Scholar extracted view of "Changes of pore structures and permeability of the Chang 73 mediumtolow maturity shale during insitu heating treatment" by Zijian Wei et al Experimental study on the influence of external fluids on the pore structure of Changes of pore structures and permeability of the Chang 73 2022年2月9日 Mineralogy and Pore Structure of Marine–Continental Transitional Shale: A Case Study of the Upper Carboniferous Keluke Formation in the Eastern Qaidam Basin, China(PDF) Mineralogy and Pore Structure of 2023年5月24日 Despite being closely relevant to resource assessment and exploitation, pore structures and methane storage behaviors of deepmarine shales remain poorly understood In this work, systematic experimental characterization of pore structures and sorption in deep shales in the Wufeng–Longmaxi Formations was conducted The pore structures were characterized Characteristics and Governing Factors of Pore Structure and
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Study on mechanical properties and energy characteristics of
2022年7月18日 To experimentally investigate the stability of underground excavations under dry–wet cycles and different fissure angles, several rock samples with prefabricated fissure angles were prepared and subjected to the coupled influence of dry–wet cycles and axial loading until failure Results show that the rock strength is affected by the dry–wet cycles and fissure angle, 2023年12月7日 The genetic types and evolution characteristics of pores are the important basis for evaluating the quality of unconventional shale reservoirs In this paper, taking the Lower Cambrian Marine shales in southern China as an example, the microscopic pore structure, genetic types and evolutionary characteristics of shales are systematically studied The results Experimental Study on Microscopic Pore Structure, Genetic Type 2024年5月30日 The study of deep shale gas (>3500 m) has become a new research hotspot in the field of shale gas research in China In this study, 16 representative deep shale samples were selected from different layers of the Wufeng–Longmaxi Formation in the Z3 well in the western Chongqing area to conduct lowfield nuclear magnetic resonance (NMR) tests, fieldemission Differentiated Interval Structural Characteristics of Wufengminus 2020年5月5日 Taking Longmaxi Shales in the Jiaoshiba area of the Sichuan Basin as a study object, we systematically study the microscopic pore structures of shales by using Argonion polishing Scanning Geochemical Evaluation and Pore Type Characterization of Carbonaceous
The Molecular Model of Organic Matter in CoalMeasure Shale: Structure
Abstract: To investigate the molecular structure and micropore structure of organic matters in coalmeasure shale, the black shale samples of the Shanxi formation were collected from Xishan Coalfield, Taiyuan, and a hybrid experimental–simulation method was used for realistic macromolecular models of organic matter (OM)2017年2月12日 Hypothetical molecular structures of humic coal, to develop a stronger correlation by including the effect of heteroatom content as has been done for heating values of carbonaceous XH Guan, Y Liu, D Wang, Q Wang, MS Chi, S Liu, CG Liu, Threedimensional structure of Huadian oil shale kerogen model: an Structures of Coal, Kerogen, and Asphaltenes SpringerLink2023年12月9日 Under tectonic stresses, shale in different stress–strain environments will undergo structural deformation of varying mechanisms and intensities, forming various types of tectonically deformed shales (TDSs) By Evolution Mechanism of Pore Structures of Organic 2010年7月1日 Phase Relations of REE Bearing Minerals during the Metamorphism of Carbonaceous Shales in the Tim–Yastrebovskaya Structure, Voronezh Crystalline Massif, Russia K A Savko, E Kh Korish, S M Phase Relations of REE Bearing Minerals during the
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(PDF) Multiscale pore structure characteristics and
2023年1月10日 Multiscale pore structure characteristics and main controlling factors analysis of Longtan formation shale in Northwest Guizhou January 2023 Frontiers in Earth Science 10:年9月21日 To elucidate the complex pore systems of shales, various methods have been developed for investigating the pore structure of shales The fluid invasion methods, such as highpressure mercury intrusion (MICP) methods, lowpressure gas adsorption, helium pycnometer, provide an estimation of petrophysical properties of shales, including porosity, specific surface Pore Structure and Pore Types of Shales SpringerLink2023年4月3日 The study results are as follows: 1) Six failure modes of the support structure can be generated due to the large deformation of the surrounding rocks during the construction of Jiangluling Carbonaceous Shale Tunnel; 2) The causes of large deformation during the construction can be divided into internal and external causes; 3) The deformation degree of Mechanical properties and numerical simulation analysis on large 2023年8月10日 The electrical resistivity of carbonaceous fibers (CFs) was first investigated in this paper The influence of moisture absorption on the structure and electrical properties of CFs was characterized by seven batches of CFs prepared by the same process parameters in two years It found that the electrical resistivity of CFs increased with the prolongation of storage Effect of moisture on the structure and electrical properties of
Molecular structure and evolution mechanism of shale kerogen:
2024年8月1日 Shale, which is abundant in the subsurface, contains vast reserves of oil and gas and has implications for global energy [1], [2], [3], [4]Despite its importance, shale remains poorly understood due to its complex microstructure [5]Characterising the pore structure, thermal maturity and hydrocarbon potential of shale is of increasing scientific interest [6], [7]2023年8月4日 Figures 6 and 7 show SEM pictures of the minerals and carbonaceous structure in samples of coal, MOB, XPS characterizations of the coal, overburden, and carbonaceous shale samples were carried out to determine the chemical composition and surface states The XPS survey spectra of the samples show the presence of C 1s, Geochemical and mineralogical evaluations of coal, shale, and 2023年6月1日 The molecular structure of OM, and its aromaticity, changes with increasing thermal maturity [16]Raman spectroscopy provides a sensitive tool to reveal the structural order of carbonaceous material, and hence, to discern variations in OM structural properties with thermal maturity [17]Previous studies of Raman spectroscopy of vitrinite, kerogen, graptolite, Chemical structure and thermal maturation of the vitrinitelike 2022年3月29日 Pore Structure of Shale With Carbonate Interlayers Table 3 compiles the results from the N 2 physisorption isotherm method, including the total pore volume V at the maximum relative pressure, BET surface area A, and average pore size (4V/A)Pore Structure and Wettability of Lacustrine Shale With
Geochemical attributes, pore structures and fractal characteristics of
2019年5月1日 The shale and coalbearing Barakar rock Formation comprise mainly sandstone, carbonaceous shale, grey shale, siltstone and number of coal seams (GSI, 1990; Mendhe et al, 2018b) The generalised stratigraphic succession indicating lithology, thickness, and respective geological ages is given in Table 1 2021年11月1日 The lowpressure N 2 adsorption is widely used to characterize the pore structure in shale gas reservoirs (Kuila and Prasad, 2013; Zhang et al, 2019; Li et al, 2018) One study employed LTNA to evaluate the pore characteristics of Longmaxi Formation, Sichuan Basin, China (Xu et al, 2019)Characterization of geochemical properties and factors controlling Carbonaceous shale, mechanical property, acoustic emission, Shannon entropy, damage evolution Introduction The Carbonaceous shale strata, typically composed of clay minerals and organic matter, are universally distributed in Southwest China Its features mainly include low strength, obvious waterweakening effect, and fractured structureStudy on mechanical properties and damage evolution of carbonaceous 2018年4月1日 Since commercial production from shalegas reservoirs began, research on shales has increased significantly There is still much research needed in shale oil reservoirs, specifically on the topic of characterizing the nature of pore structures and geochemical properties (Loucks et al, 2009)Pore structure properties analysis can assist in accurately understanding Characterization of geochemical properties and microstructures of
Nanoscale pore structure and fractal dimension of organicrich
2016年2月1日 In order to elucidate the pore structure of shale, a range of directimaging and indirect methods have been used in the (about 80–120 m thick), including the Wufeng formation, is mainly dominated by black, fine and thick carbonaceous shale, carbonaceous mudstone, argillaceous siltstone and siliceous shale A large amount Crushing and grinding of carbonaceous shale samples is likely to enhance the accessibility of pores and embedded organic matter as (Dubinin, 1975) In an attempt to elucidate the complex pore structure of shales, researchers have utilized low pressure N2 sorption isotherms, He pycnometry and Hg porosimetry (Katsube and Williamson, 1994 (PDF) The importance of shale composition and pore structure 2023年9月1日 In the Caledonian–Hercynian period, it was dominated by upanddown and extensional movements, accompanied by compressional movements, resulting in the geological tectonic characteristics of folds and depressions; moreover, there is deposition of black siliceous shale and black carbonaceous shale [30]Impact of tectonic deformation on shale pore structure using 2018年4月17日 A suite of shale samples from the Lower Cambrian Niutitang Formation in northwestern Hunan Province, China, were investigated to better understand the pore structure and fractal characteristics of (PDF) Pore Structure and Fractal Characteristics of Niutitang Shale
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Nanopore structures and controlling factors of the Early Cambrian shale
2023年9月15日 China has abundant marine shale gas resources The shale gas reserves and production have increased rapidly since 2014, and exceeded 2 × 10 12 m 3 and 200 × 10 8 m 3 in 2020, respectively (Zhang et al, 2021)The nanopore characteristics of shales play an important role in the occurrence and enrichment of shale gas, and also restrict the resource potential of 2016年2月1日 In order to study pore structure and fractal characteristics of the organicrich marine shale, fourteen shale samples from Lower Cambrian Qiongzhusi formation in Malong block of eastern Yunnan province were investigated by organic geochemical analysis (total organic carbon content analysis and thermal maturity analysis), Xray diffraction (XRD) Investigation of pore structure and fractal characteristics of