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
Shale hydraulic crushing method
Comprehensive study of hydraulic fracturing in shale oil reservoirs
2024年7月24日 Using the finite discrete element method, we have established four different numerical models for the hydraulic fracturing of shale oil with varying geological conditions, (including transition zones) The study reveals that when the vertical stress difference is 6 2020年5月11日 Hydraulic fracturing is a technique applied to enhance hydrocarbon extraction from subsurface geological formations by injecting a A Review of Fracturing Technologies Utilized in Shale 2024年7月6日 Hydraulic fracturing is commonly used in the stimulation of shale reservoirs for sustainable production and commercial development The fracturing mechanisms of shale The Roles of Micro Pores and Minerals in Shale during Hydraulic 2023年7月3日 This review provides a baseline for understanding how the hydraulic fracture evolves and propagates to create new channels that contribute to the flow of gas, how the gas flows through the created channels across the Hydraulic Fracturing and Enhanced Recovery in Shale
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Hydraulic fracturing with low and high viscous injection mediums
2023年3月1日 In the present study, multiple experiments were carried out to analyse shale hydraulic fracturing initiation pressures by injecting high and low viscous fluids Shale core 2024年2月22日 Hydraulic fracturing is mainly used in tight gas reservoirs with low permeability such as shale, limestone, and some coal beds It is a process in which a mixture of water, Evaluation of the Crushing Resistance and Hydraulic Conductivity 2024年1月1日 The extraction of shale gas involves three primary operational stages: (1) vertical drilling, (2) horizontal drilling, and (3) hydraulic fracturing (fracking) During fracking, water is Shale gas extraction technologies ScienceDirect2024年5月30日 Finite Element Method (FEM) is one of the earliest numerical methods to investigate the formation mechanisms of hydraulic fracturing networks in shale formation However, FEM needs to locally refine the grids around the Modeling the Hydraulic Fracturing Processes in Shale
Variations of shale's pore characteristics and hydraulic properties
2022年10月29日 During hydraulic fracturing, the interaction of fluids with shale modifies the pore hydraulic characteristics, altering hydrocarbon recovery efficiency and CO2 storage of the 2020年3月18日 In this study, hydraulic fracturing experiments under triaxial compression using water and SCCO 2 were carried out on the shale specimens with different bedding plane Hydraulic Fracturing Behavior in Shale with Water and Supercritical 2021年10月2日 Figure 4 shows the NMR results of a preserved Utica shale, and it shows the exact correlation between soaking time and the volume of soaking liquid For most NMR results, two distinct peaks are observed The first peak on the left is usually the T 2 relaxation time between 01 and 1 ms, the second peak on the right at a T 2 relaxation time between 10 and New Experimental Methods to Study Proppant Embedment in ShalesRequest PDF On Jan 1, 2021, Honglian Li and others published 3D Numerical Investigation of Hydraulic Fracture Network Propagation in a Shale Gas Reservoir with Natural and Layered 3D Numerical Investigation of Hydraulic Fracture Network
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A study of Hydraulic fracture propagation in laminated shale
Request PDF On Feb 1, 2024, Yinghao Deng and others published A study of Hydraulic fracture propagation in laminated shale using extended finite element method Find, read and cite all the 2021年6月1日 The outline of the manuscript is structured as follows 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 2XFEMbased numerical modeling of well performance2019年4月24日 This new method was able to accurately predict casing stress, which can become an alternative approach of casing integrity evaluation for shale gas wells Loading process of the existing methodNew Analytical Method to Evaluate Casing Integrity during Hydraulic 2021年6月1日 Predicting the production rate and estimating the ultimate recovery are of great significance for the optimization of shale gas development One possible reason for production decline is the width reduction of propped fractures caused by proppant deformation, embedment, crushing, and viscoelasticity of the reservoir In order to obtain more indepth knowledge of XFEMbased numerical modeling of well performance
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Permeability–Friction Relationships for Propped Fractures in Shale
2023年9月16日 By experimentally examining the shale and steel fractures—as an analog to endmember manifestations of weak/deformable and strong/rigid fracture surfaces—and calibrating using granular mechanics models (DEM), we conclude that the evolution of friction–permeability relationship of a propped shale fracture is largely controlled by the rock 2024年1月1日 In shale extraction technologies, the main impact hot spots in the life cycle are the power plant and drilling fluid Hydraulic fracturing only imparts a small amount (5%) However, social problems caused by shale gas development such as increasing traffic volume and congestion by up to 31% should be consideredShale gas extraction technologies ScienceDirect2020年4月3日 Chapter 8 by Li et al considers the importance of microseismic technology in monitoring many subsurface engineering operations, including shale hydraulic fracturing, fluid injection and Development of advanced microseismic monitoring methods and 2021年11月1日 The hydraulic fractures in lowpermeability rocks such as shales, provide hydraulic conductivity and ensure economically viable oil and gas production from unconventional reservoirs [10,12] In the hydraulic fracturing process, the fluid not only drives the hydraulic fracture initiation and propagation but also ensures the placement of proppant particles into A comprehensive review of proppant embedment in shale
Hydraulic Fracture Height Predictions in Laminated
2016年2月8日 We propose three idealized hydraulic fracture geometries (“fracture scenarios”) likely to occur in shale oil reservoirs characterized by high pore pressure and low differential in situ stresses2014年1月1日 Feng, (2013) established a set of physical simulation and characterization methods for shale hydraulic fracturing Guo et al, (2014) Research on hydraulic fracturing physical simulation of shale and DOI: 101016/JPETROL2021 Corpus ID: ; XFEMbased numerical modeling of well performance considering proppant transport, embedment, crushing and rock creep in shale gas reservoirsXFEMbased numerical modeling of well performance2024年2月1日 Zhang et al, (2022b) combined the extended finite element/phasefield method to solve the discontinuous and continuous hydraulic fracturing formulations and simulate hydraulic fracture propagation in an unconventional shale formation A study of Hydraulic fracture propagation in laminated shale
Preliminary Studies on the Proppant Embedment in Baltic Basin Shale
2021年3月3日 Proppant embedment is a serious issue that reduces fracture width and conductivity The paper presents the results of experiments on embedment phenomena on a shale rock from the region of the Baltic Basin, which is regarded as an unconventional gas deposit A novel laboratory imaging procedure was implemented to the proppant embedment 2022年1月2日 1) An experimental evaluation method for fracture deformation mechanism of shale fracturing is designed based on shale rock plate embedding test and stereomicroscope calculation of embedding depth, and combined with longterm fracture conductivity test, and the effective evaluation of deformation mechanism of shale fracturing proppantsupported fracture Frontiers Experimental Study on Fracturing Fracture Deformation o Fieldscale behavior of hydraulic fractures in brittle shale: Collaboration with Hydraulic Fracture Testing Site (HFTS)/ Multiscale Modeling Project (MMP) o Micronscale shaleproppant interactions: Collaboration with synchrotron Xray CT imaging of proppant embedment study (LBNL research, M Voltolini, PI: Matt Reagan [LBNL] ) 27Controlling Sustainability of Hydraulic Fracture Permeability in 2016年2月1日 Abstract Laminated structures in shale formations typically result in anisotropic elastic properties, including Young's modulus and the Poisson ratio, which highly influence hydraulic fracturing treatment execution The lamina can confine the hydraulic fracture height growth and they sometimes act as weak interfaces for potential fracture propagation path Hydraulic Fracture Height Predictions in Laminated Shale Formations
Casing Deformation and Controlling Methods During Hydraulic
2023年4月17日 Abstract When operators develop shale gas reservoirs in the southern Sichuan basin in China, they encountered numerous occurrences of casing deformations (CD) and even failures The high frequency and severity of CD have led to significant financial loss Since then, a considerable amount of research has been conducted with some field trials Some research 2023年5月1日 Hydraulic fracturing can effectively increase reservoir productivity, and the effect depends on proppant behavior Crushing of proppant during fracturing induces a series of changes in fracture Numerical Simulation of OilWater Twophase Conductivity in Hydraulic 2016年2月1日 Request PDF Nanopores to Megafractures: Current Challenges and Methods for Shale Gas Reservoir and Hydraulic Fracture Characterization The past two decades have seen a tremendous focus by Nanopores to Megafractures: Current Challenges and Methods for Shale 2020年12月11日 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 in this studyOccurrence and influence of residual gas released by crush methods
Modeling the Hydraulic Fracturing Processes in Shale
2024年5月30日 Complex bedding properties and in situ stress conditions of shale formation lead to complex hydraulic fracturing morphologies However, due to the limitations of traditional numerical methods, the simulation of hydraulic 2023年10月19日 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 hydrocarbonsThe hydrocarbons in oil shale can be used as an alternative to petroleum or Oil Shale National Geographic Society211 Existing Method For existing method, the casing, cement sheath, and formation were set together at the beginning of analysis Then, temperature boundary and loads were added to the system to calculate wellbore stress distribution as shown in Figure 1 This method did not consider the process of wellbore construction and hydraulic New Analytical Method to Evaluate Casing Integrity during Hydraulic Shale Oil Processing and Extraction Technologies 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 Oil Shale Processing an overview ScienceDirect Topics
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Influence of Proppant Parameters on Hydraulic Fracture
2024年2月26日 Figure 3 depicts the experimental results on the influence of various factors on the permeability properties of the created hydraulic fractures, and on the crushing and embedment of proppants in the fracture walls in the conditions of coal seam ET of the site YC in the Ordos Basin 21 Effect of Proppant Grain Size on Conductivity Figure 3a shows the time Request PDF On Jun 20, 2021, Hossein Fazeli and others published PoreScale Modeling of Fluid–Rock Chemical Interactions in Shale during Hydraulic Fracturing Find, read and cite all the PoreScale Modeling of Fluid–Rock Chemical Interactions in Shale 2020年9月18日 Proppant embedment and conductivity of hydraulic fractures in shales, ARMA Paper#12291, 46th US Rock Mechanics/Geomechanics Symposium held in Chicago, IL, USA, 2427 June Reservoir Stimulation New Experimental Methods to Study Proppant Embedment in Shales2024年1月5日 Most CO 2 infusion procedures center on assessing the CH 4 recuperating and CO 2 sequestration capability of the shale supplies Nevertheless, these methods’ achievability in the field Gong, Bin, Guan Qin, Brian F Towler, and Hongyan Wang 2011 “Discrete Modeling of Natural and Hydraulic Fractures in ShaleGas Reservoirs Enhanced Gas Recovery (EGR) in Shale Gas Reservoirs
Numerical simulation of hydraulic fracture propagation in shale
2022年8月3日 Hydraulic fracturing in combination with horizontal well has been widely used to stimulate shale oil and gas from reservoirs Numerical simulation of hydraulic fracturing is a great challenge due to the geological complexity of reservoirs In this paper, a fully coupled fluid flow, plastic deformation and fracture propagation model is presented based on cohesive zone 2017年3月4日 SIZE REDUCTION BY CRUSHING METHOD S By Prof A Balasubramanian compound cone crusher, spring cone crushe r, hydraulic cone crusher and gyratory crus her According SIZE REDUCTION BY CRUSHING METHODS2016年2月1日 We suggest that reductive weathering of black shale occurs during hydraulic fracturing due to fragmentation, pulverization and crushing) the shale stratum by cracks of subcentimeter spacing (Bazant et BrunauerEmmettTeller (BET) singlepoint N 2 adsorption method d Pulverized shale median particle size (and 2σ standard Reductive weathering of black shale and release of barium 2005年5月31日 12 Oil Shale Development in the United States: Prospects and Policy Issues Mining Oil Shale Oil shale can be mined using one of two methods: underground mining, most likely using the roomandpillar method, or surface mining In general, surface mining is the most efficient approach for mining oil shale Roomandpillar mining can recoverCHAPTER THREE Oil Shale Technologies JSTOR
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Nanopores to megafractures: Current challenges and methods for shale
2016年4月1日 Nanopores to megafractures: Current challenges and methods for shale gas reservoir and hydraulic fracture characterization Author links open overlay panel CR Clarkson a , B Haghshenas b , A Ghanizadeh a , F Qanbari b , JD WilliamsKovacs b , N Riazi a , C Debuhr a , HJ Deglint a2013年2月4日 Semantic Scholar extracted view of "Optimum Fluid and Proppant Selection for Hydraulic Fracturing in Shale Gas Reservoirs: Characterization of WaterRock Interaction in WaterSensitive Tight Oil Reservoirs and its Mitigation Method with Pilot Tests Bobo Xie fracturing fluid and proppant characteristics on proppant crushing Optimum Fluid and Proppant Selection for Hydraulic Fracturing in Shale 2024年2月7日 Casing deformation occurs frequently in shale gas wells, resulting in the failure of some fracturing stages to complete normal operations, which seriously affects shale gas production This paper firstly analyzes the casing deformation mechanism of shale gas wells and determines that the casing shear deformation caused by formation slip is the main factor of A study on governance method of casing shear deformation in shale 2023年8月21日 Occasionally, shales may also contain appreciable amounts of sands, in which case they may be called sandy shale or arenaceous shale Classification based on mineralogical composition Shales may be classified as quartzose, feldspathic or micaceous shale depending on the predominance of the minerals quartz, feldspar or mica , respectively, in the rock after Shale Properties, Composition, Formation, Uses Geology Science
Numerical Simulation of OilWater Twophase Conductivity in Hydraulic
2023年5月1日 Hydraulic fracturing can effectively increase reservoir productivity, and the effect depends on proppant behavior Crushing of proppant during fracturing induces a series of changes in fracture width and the pore space formed between proppant particles, affecting reservoir fluid flow2023年12月14日 After hydraulic fracturing, the geometric characteristics of rock morphology is a crucial means for evaluating the effectiveness of fracture stimulation in enhancing production In order to quantitatively analyze the surface undulations of marine and continental shale morphology further following hydraulic fracturing, a method for calculating the three Study on the Difference of Fracture Extension in Hydraulic MDPI