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Keywords: propagation
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Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1368
... the process of fracture propagation under different reservoir thickness, in-situ stress state, fracturing fluid displacement and fracturing time, and evaluates the fracturing effect by calculating SRA (Stimulated Reservoir Area) and ESRA (Effective Stimulated Reservoir Area, the SRA inside reservoir...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1438
... shallow shale propagation ARMA 21 1438 Rock Mechanical Properties of Deep Shale-gas Reservior and Their Effects on Reservoir Stimulation Li, Qinghui YuhwaEssen Market Information Consulting Service Institute, Shijiazhuang, Hebei, China Li, Shaoxuan Xidian University, Xi an, Shanxi, China Liu, Jiankang...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1605
... generally differs from the fracture initiation pressure due to an episode of stable hydraulic fracture propagation following initiation. The difference between the peak pressure and the fracture initiation pressure increases with the fluid viscosity and the confining pressure, which leads to an artificial...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2154
... with fracture propagation at field length scales drive the necessity to simplify the problem. The simplifying assumptions in governing equations and/or numerical scheme significantly limit the fidelity of the tool. In this work, we present a numerical simulator that solves the governing equations of hydraulic...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1733
... ABSTRACT: Laboratory tests were conducted on cement blocks with a size of 30cm×30cm×30cm subjected to true triaxial stresses of 30-28-22MPa to investigate effects of cyclic injection on sub-parallel fracture propagation in horizontal well. Variable injection schemes, constant-rate, cyclic...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1872
... approaching a NF. Consequently, the interaction between HFs and NFs is a fairly complex process. To accurately predict the HF propagation path in naturally fractured reservoirs and optimize treatment parameters, it is necessary to clarify the interaction mechanism between HFs and NFs. hydraulic...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1233
..., the analytical model predicts the induced stresses which can lead to fracture creation, while the numerical tool is used to model the propagation of these fractures. A modified discrete element method (MDEM) is used in the numerical simulations. The results show that the fracture creation and propagation...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1296
... the casing string up to the TOC line while considering the various wellbore parameters through the use of a finite element model that includes gas hydraulic microannuli fracture propagation. A case study of a Gulf of Mexico was performed and showed that the cement sheath can experience debonding up...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1409
... measurements was the bulk modulus ( K ). 1. Insights Into Elastic Wave Propagation in Rocks and Their Applications Elastic waves can be defined as mechanical disturbances that have the ability to propagate through a material. Besides, these waves have the potential to pass and travel over very long...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1758
... ABSTRACT: Stress corrosion cracking (SCC) is a chemically activated mechanism involving the adsorption of fluids on crack surfaces and the propagation of fluid-assisted cracks. In most cases, the underground rock is saturated with fresh or saltwater. To prevent SCC and predict the lifetime...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1146
... fractures and natural fractures is crucial to enhance the permeability of shale gas reservoir. However, it still remains unclear about propagation process of hydraulic fractures when it interacts with pre-existing fractures due to limited monitoring methods. The hydraulic fracturing laboratory test...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1162
... ABSTRACT: This study developed the fluid pipe element that can consider fluid distribution, perforation erosion, and temporary plugging effects based on the Finite Element Analysis. This element can be easily coupled with finite element models to achieve multi-fracture propagation simulation...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1322
..., such as the fracture geometries and their propagation behaviors. In this study, a numerical model, in the framework of linear elastic fracture mechanics (LEFM) and combing the dual boundary element method (DBEM) and the finite volume method (FVM), is developed to study the hydraulic fracture initiation and propagation...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1309
... ABSTRACT: In unconventional reservoirs, the initiation and propagation of multiple fractures are strongly influenced by the type of completion (number and type of initiation points). We conducted two hydraulic fracturing experiments in a laboratory setting on two blocks with different...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1270
... injection into a Discrete Fracture Network. Upon revisiting the problem of self-similar fluid driven shear crack propagation on a planar fault under critically stressed and marginally pressurized regimes, we show via numerical simulations that a critically stressed DFN exhibits fast aseismic slipping path...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1810
... to study the influence of non-uniform distribution of pore pressure on fracture propagation. Pre-existing fracture were placed inside the specimen, and water with dye was injected into the pre-existing fracture to form an initial pore pressure. The initiation and propagation of hydraulic fractures...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1940
... cruise mode disturbance drilling operation simulation optimization performance box approximation penalty weight true vertical depth reference trajectory propagation inclination lateral tangent section position deviation ARMA 21 1940 Optimal Position Control for RSS during Lateral/Tangent...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0018
..., analytical and numerical studies that investigated the impact of geomechanical and geometrical properties, and operational parameters on the result of NF-HF intersections during fracture initiation and propagation. We envisage that advancement in our understanding of NF-HF interactions will help...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0103
... ABSTRACT: We revisit the problem of the propagation of a plane-strain fluid-driven fracture in a quasi-brittle impermeable medium accounting for the presence of a fluid lag. The fracture process zone is simulated using a linear-softening cohesive model while lubrication flow accounts...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0124
... into the fractures and may lead to further propagation. It is currently subject of research to investigate the process of thermally-induced and gas-pressure driven fracturing as part of safety assessment of gas storage caverns. The question to be answered is, if fracturing occurs, how far do cracks penetrate...

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