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Numerical study of influence of hydraulic fracturing on

The influence of the cohesive process zone in hydraulic

Jun 25,2010 Numerical study of influence of hydraulic fracturing on#0183;This paper studies the importance of the cohesive zone in the modelling of a fluid driven fracture under plain strain conditions.The fracture is driven by pumping of an incompressible viscous fluid at the fracture inlet.Rock deformation is modeled for linear elastic and poroelastic solids.Fluid flow in the fracture is modeled by lubrication theory.The influence of the cohesive process zone in hydraulic DOI 10.1007/S10704-010-9515-4 Corpus ID 136975646.The influence of the cohesive process zone in hydraulic fracturing modelling @article{Sarris2011TheIO,title={The influence of the cohesive process zone in hydraulic fracturing modelling},author={E.Sarris and Panos Papanastasiou},journal={International Journal of Fracture},year={2011},volume={167},pages={33-45} }The influence of the cohesive process zone in hydraulic DOI 10.1007/S10704-010-9515-4 Corpus ID 136975646.The influence of the cohesive process zone in hydraulic fracturing modelling @article{Sarris2011TheIO,title={The influence of the cohesive process zone in hydraulic fracturing modelling},author={E.Sarris and Panos Papanastasiou},journal={International Journal of Fracture},year={2011},volume={167},pages={33-45} }

The influence of plasticity in hydraulic fracturing

This paper examines the influence of plasticity in hydraulic fracturing.Fluid flow in the fracture is modelled by lubrication theory.Rock deformation is modelled by the MohrCoulomb flow theory of plasticity and the propagation criterion is based on the softening behaviour of rocks.The coupled,nonlinear problem is solved by a combined finite differencefinite element scheme.The Influence of Hydraulic Fracturing on Carbon Storage Employing a fully coupled numerical model of hydraulic fracturing,solid deformation,and matrix fluid flow,we study the enabling conditions,processes,and mechanisms of hydraulic fracturing during CO 2 injection.A hydraulic fracture's pressure-limiting behavior dictates that the near-well fluid pressure is only slightly higher than the Rock Mechanics and Rock Engineering Online first articlesSep 07,2020 Numerical study of influence of hydraulic fracturing on#0183;A Novel Damage-Based Permeability Model for Coal in the Compaction and Fracturing Process Under Different Temperature Conditions Mechanism of Connecting Natural Caves and Wells Through Hydraulic Fracturing in Fracture-Cavity Reservoirs Authors (first,second and last of 5) Experimental and Numerical Study of the Influence of

Previous123456NextRock Mechanics and Rock Engineering Online first articles

Sep 07,2020 Numerical study of influence of hydraulic fracturing on#0183;A Novel Damage-Based Permeability Model for Coal in the Compaction and Fracturing Process Under Different Temperature Conditions Mechanism of Connecting Natural Caves and Wells Through Hydraulic Fracturing in Fracture-Cavity Reservoirs Authors (first,second and last of 5) Experimental and Numerical Study of the Influence of Numerical study on hydraulic fracturing in the core of an The problem of hydraulic fracturing in the core of an earth rockfill dam can be investigated using numerical techniques.In this study,numerical techniques on the problem are presented based on theoretical formulas to calculate energy release rate using finite element method (FEM).Numerical study of influence of hydraulic fracturing on Sep 01,2019 Numerical study of influence of hydraulic fracturing on#0183;Numerical study of influence of hydraulic fracturing on fluid flow in natural fractures. At the present time,many investigations support the necessity of applied numerical simulation for hydraulic fracturing in fractured reservoirs and also for fracture propagation.Analytical and numerical methods have been investigated to visualize the

Numerical study of hydraulic fracturing fracture area

To investigate the relationship between the fractured area created by hydraulic fracturing and various fracturing parameters of underground coal mines,we applied fracture and porous media fluid-solid coupling theory to establish a numerical model of hydraulic fracturing.Three-dimensional numerical simulation of hydraulic fracturing of K1 coal seam in a coalmine was performed using the Numerical simulation of the environmental impact of This study investigates,by numerical simulation,gas and water transport between a shallow tightgas reservoir and a shallower overlying freshwater aquifer following hydraulic fracturing operations,if such a connecting pathway has been created.Numerical simulation of temperature field in crack of 1 INTRODUCTION.Supercritical carbon dioxide (SCCO 2) fracturing is regarded as a promising means in the development of the unconventional oil and natural gas on account of its great advantages of environmental protection and resource conservation.1-4 CO 2 (usually reach a supercritical state when the temperature is higher than 304.1 K and pressure is higher than 7.38 MPa in the fracturing

Numerical simulation of temperature field in crack of

1 INTRODUCTION.Supercritical carbon dioxide (SCCO 2) fracturing is regarded as a promising means in the development of the unconventional oil and natural gas on account of its great advantages of environmental protection and resource conservation.1-4 CO 2 (usually reach a supercritical state when the temperature is higher than 304.1 K and pressure is higher than 7.38 MPa in the fracturing Numerical simulation of non-planar fracture propagation in Oct 15,2019 Numerical study of influence of hydraulic fracturing on#0183;So it is necessary and important to study the influence of the natural fractures on hydraulic fracture propagation during multi-cluster fracturing.Many scholars have studied the propagation pattern of hydraulic fracture intersecting with natural fracture by physical modeling and numerical modeling.Numerical simulation of hydraulic fracturing in Based on the above numerical models,a series of hydraulic fracturing tests were conducted to study the influence of injection rates and in-situ stress ratios (the ratio of the maximum principle stress to the minimum one) on the initiation and propagation of the hydraulic fractures.

Numerical simulation of hydraulic fracturing based on two

Calculations found that the rock elastic modulus had significant influence on hydraulic fracturing,as it is an important parameter describing the rock stress-strain rule.To reduce the computational burden,two specimens (C-1,S-1) were chosen for further study and discussion. Because the size of the experimental specimens and numerical Numerical investigation of the fluid lag during hydraulic Jul 02,2018 Numerical study of influence of hydraulic fracturing on#0183;The purpose of this paper is to systematically investigate the fluid lag phenomena and its influence in the hydraulic fracturing process,including all stages of fluid-lag evolution,the transition between different stages and their coupling with dynamic fracture propagation under common conditions.,A plane 2D model is developed to simulate the complex evolution of fluid lag during the Numerical Simulation on the Basic Rules of Multihole Directional rupture is one of the most important and common problems in rock breaking engineering.The purpose of directional rock breaking can be effectively realized by using multihole linear codirectional hydraulic fracturing.In this paper,realistic failure process analysis (RFPA) software is used to verify the experimental results of multihole linear codirectional hydraulic fracturing

Numerical Simulation of the Influence of Natural Fractures

According to the theory of plane mechanics involving the interaction of hydraulic and natural fractures,the law of hydraulic fracture propagation under the influence of natural fractures is verified using theoretical analysis and RFPA 2D -Flow numerical simulation approaches.The shear and tensile failure mechanisms of rock are simultaneously considered.Numerical Simulation of Hydraulic Fracturing in Earth and Hydraulic fracturing is one of the most important factors affecting the safety of earth and rockfill dam.In this paper,the extended finite element method (XFEM) is used to simulate the hydraulic fracturing behavior in an actual high earth and rockfill dam.The possibility of hydraulic fracturing occurrence is analyzed,and the critical crack length is obtained when hydraulic fracturing occurs.N.Zangeneh's research works University of British N.Zangeneh's 4 research works with 59 citations and 945 reads,including Investigation of the influence of stress shadows on horizontal hydraulic fractures from adjacent lateral wells

Investigation of Hydraulic Fracturing Behavior in

Understanding hydraulic fracturing mechanisms in heterogeneous laminated rocks is important for designing and optimizing well production,as well as for predicting shale gas production.In this study,a micromechanics-based numerical approach was used to understand the physical processes and underlying mechanisms of fracking for different strata orientations,in-situ stresses,rock strengths Investigation of Hydraulic Fracturing Behavior in Understanding hydraulic fracturing mechanisms in heterogeneous laminated rocks is important for designing and optimizing well production,as well as for predicting shale gas production.In this study,a micromechanics-based numerical approach was used to understand the physical processes and underlying mechanisms of fracking for different strata orientations,in-situ stresses,rock strengths Influence of Heterogeneity of Mechanical Properties on Numerical simulations of circular holes under internal hydraulic pressure are carried out to investigate the hydraulic fracture initiation,propagation and breakdown behavior in rocks.The hydraulic pressure increases at a constant rate.The heterogeneity of the rocks is taken into account in the study by varying the homogeneity index.

Exploring the influence of rock inherent heterogeneity and

Nov 30,2019 Numerical study of influence of hydraulic fracturing on#0183;Simulation results of hydraulic fracturing for regular particle sample in the toughness-dominated regime,(a) borehole pressure history,(b) domain net pressure distribution,(c) comparison between the approximate solution with K IC = 1.63 MPa m 0.5 and the numerical solution for hydraulic fracture length versus injection time,and (d Energies Free Full-Text Numerical Study on the Effects This paper developed a numerical model to investigate the effect of imbibition on gas production to optimize the shut-in time after hydraulic fracturing.This numerical model is a 2-D two-phase (gas and water) imbibition model for simulating an imbibed fluid flowEffect of injection rate on hydraulic fracturing in May 26,2016 Numerical study of influence of hydraulic fracturing on#0183;This paper studies the effect of fluid injection rate on hydraulic fracturing in pre-existing discrete fracture network (DFN) formations.A flowstressdamage coupling approach has been used in an initial attempt toward how reservoir responses to injection rate under different DFN connected configuration states.The simulation results show that injection rate has an significant influence

Effect of injection rate on hydraulic fracturing in

May 26,2016 Numerical study of influence of hydraulic fracturing on#0183;This paper studies the effect of fluid injection rate on hydraulic fracturing in pre-existing discrete fracture network (DFN) formations.A flowstressdamage coupling approach has been used in an initial attempt toward how reservoir responses to injection rate under different DFN connected configuration states.The simulation results show that injection rate has an significant influence Cited by 8Publish Year 2020Author Heng Zheng,Chunsheng Pu,Chao Sun(PDF) Numerical Simulation of Hydraulic Fracturing Effect Numerical Simulation of Hydraulic Fracturing Effect Based on Abaqus Article (PDF Available) in IOP Conference Series Materials Science and Engineering 744:012010 February 2020 with 127 ReadsCited by 1Publish Year 2019Author Jaber Taheri-Shakib,Amir Ghaderi,Mohammad Amin Sharif Nik(PDF) Numerical study of influence of hydraulic fracturing Numerical study of influence of hydraulic fracturing on fluid flow in natural fractures Article (PDF Available) in Petroleum 5(3) December 2018 with 123 Reads How we measure 'reads'

Author M.Y.Wu,D.M.Zhang,W.S.Wang,M.H.Li,M.H.Li,S.M.Liu,J.Lu,H.GaoPublish Year 2020Numerical investigation on the hydraulic fracture

Jan 01,2020 Numerical study of influence of hydraulic fracturing on#0183;Hydraulic fracturing technology is widely used in the exploration of shale gas.Stratum interface is the key element which affect the form of fracture network.This paper proposed a numerical study based on finite-discrete element method to investigate the influenceA numerical study on horizontal hydraulic fractureEngineering practices of Daqing Oilfield,China show that many of the hydraulic fractures are horizontal in areas of remained reserves.Significant re-stimulation could be gained from horizontal hydraulic fracturing (Schneider et al.2007),but studies on mechanism and numerical simulation of horizontal fractures are rarely founded in the literature to our knowledge.A numerical study on horizontal hydraulic fractureEngineering practices of Daqing Oilfield,China show that many of the hydraulic fractures are horizontal in areas of remained reserves.Significant re-stimulation could be gained from horizontal hydraulic fracturing (Schneider et al.2007),but studies on mechanism and numerical simulation of horizontal fractures are rarely founded in the literature to our knowledge.

A numerical study on horizontal hydraulic fracture

A 3D non-linear fluidsolid coupling model for horizontal fracture of vertical well was established with the ABAQUS code.The wellbore,cement casing,perforation,pay layer and barriers were included in the model.Fluidsolid coupling elements were used to describe the behavior of formation stressseepage flow coupling; pore pressure cohesive elements were employed to simulate the A Crack Propagation Control Study of Directional Hydraulic Hydraulic fracturing techniques for developing deeply buried coal reservoirs face routine problems related to high initial pressures and limited control over the fracture propagation direction.A novel method of directional hydraulic fracturing (DHF) based on hydraulic slotting in a nonuniform pore pressure field is proposed.A mechanical model is used to address crack initiation and 12345NextNumerical Simulation of the Influence of Natural Fractures According to the theory of plane mechanics involving the interaction of hydraulic and natural fractures,the law of hydraulic fracture propagation under the influence of natural fractures is verified using theoretical analysis and RFPA 2D -Flow numerical simulation approaches.The shear and tensile failure mechanisms of rock are simultaneously considered.

(PDF) Numerical Study of Fracture Network Evolution during

hydraulic fracturing using an improved damage model based on the nite element method.However,there are still only a few studies on a numerical model for nitrogen fracturing and the comparison(PDF) Experimental and numerical study of interaction of a The study on induced stress of hydraulic fracturing is an important part of hydraulic fracturing design,temporary plugging and steering fracturing design,and completion design in oil and gas

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