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Keywords: regime
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Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1394
...-distributed elastic modulus of rock are assembled, respectively. The comparison with the theoretical solution demonstrates the reliability of the simulation models and simulation parameters in both the viscosity-dominated regime (VDR) and toughness-dominated regime (TDR). The effects of different Weibull...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1322
... initial flaw fluid pressure circular wellbore inclination angle boundary condition stress difference upstream oil & gas dual boundary element method lubrication equation complex reservoir regime boundary element method fluid viscosity principal stress integral equation equation...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2078
... L 4.5) were identified. Events appear tightly clustered, both spatially and in depth. Focal mechanism analysis suggests that this region sits within a transitional stress regime, with a mixture of reverse and strike-slip faulting over a small spatial extent. Stress inversion of >70 focal...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1415
... upstream oil & gas regime lateral stress injection hydraulic fracture branching experiment fluid viscosity plaster water ratio ARMA 21 1415 Effect of Injection Parameters on Hydraulic Fracture Branching Li WF, Frash L.P., Carey J.W., Welch N.J., Meng M., and Viswanathan H.S. Earth...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2010
... easy handling different regimes (toughness/viscosity) that would be crucial for the analysis as follows from this research. Introduction The petroleum industry often uses hydraulic fracturing as an engineering process to extract hydrocarbons from very low porosity reservoir rock which would...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0410
... approach is here enhanced by introducing a softening rule to simulate the post-peak behaviour of rocks in the brittle regime. For this purpose, the degradation of the material properties has been expressed as a function of an internal variable (i.e., the cumulated value of deviatoric plastic strains) which...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1572
... in the geomechanical model to determine the conductivity of the natural fractures in the shale play. Reservoir Characterization Wellbore Design natural fracture Shale interval inversion wellbore integrity reservoir geomechanics criteria stiffness constant well 1 MPSI Upstream Oil & Gas regime...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1942
... compressibility regime coefficient convergence fixed-stress split biot-willis parameter nonlinear tangent reservoir geomechanics Fluid Dynamics Simulation stability coussy equation formulation 1. INTRODUCTION Historically, reservoir flow simulators have incorporated geomechanical effects solely...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2020
... parameters to improve the applicability of the study. wellbore integrity fracture initiation pressure transverse fracture Upstream Oil & Gas co 2 4 0 hydraulic fracturing orientation wellbore azimuth azimuth sin 2 regime wellbore pressure wellbore wellbore inclination inclination...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2023
... as the large scale perturbation of the pore pressure caused by injection. The model consists of a set of equations encompassing linear elastic fracture mechanics, porous media flow, and lubrication theory. Three asymptotic solutions for the different time regimes are found theoretically, and numerical results...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2080
... horizontal stress critical fracture energy hydraulic fracture fracture propagation stress contrast interface reservoir geomechanics remote stress regime Symposium fracture Upstream Oil & Gas natural fracture fracture energy propagation weak interface horizontal propagation mechanics...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2032
... pressure and fracture propagation is significantly different than the relationships currently assumed by pressure transient methods used for hydraulic fracture diagnostic. Upstream Oil & Gas regime initial fracture velocity breakdown pressure hydraulic fracturing pressure data experiment...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2123
... of discontinuities in geo-materials. A very satisfactory performance of the proposed method is observed in all the analyzed cases. flow in porous media granet storage viscosity Fluid Dynamics fracture length viscosity Adachi manzoli Upstream Oil & Gas fracture aperture regime discontinuity...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-856
... porosity mechanism Upstream Oil & Gas regime Argentina mechanical earth model basin estimation Magnitude Vaca Muerta overpressure stress regime sequence fracture anisotropy 1. INTRODUCTION Understanding the spatial distribution of material properties, pore pressure and in-situ stresses...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-268
... fractures by using the near-tip asymptotic solutions of the crack for different regimes of propagation. The crack aspect ratios for the toughness-dominated regime, the viscosity-dominated regime, and the regime determined by yield stress of Hers chel-Bulkley fluid are calculated. The aspect ratio...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-389
... pressure and stress regime around it are affected by: poroelastic and thermoelastic phenomena as well as by fracture opening under the combined action of applied pressure and in-situ stresses. A couple of numerical studies and analytical methods have been done for analyzing the potential for fault...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-1319
... mechanics model, and we apply it to the analysis of the interaction of a propagating hydraulic fracture with a natural fracture. We explore the effect of a few parameters, providing some insight into the mechanics of the interaction. reservoir geomechanics displacement regime hydraulic fracturing...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0763
... model for multiple large-scale hydraulic fracture propagation while taking into account the multi-scale nature of the fracture tip. The numerical model is capable of distinguishing between viscosity and toughness dominated propagation regimes, and takes into account their corresponding solutions...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0720
... during propagation. The proposed method is based on the extended finite element methods with modifications to incorporate variable stress singularity at the crack tips for the transition between toughness-dominated and viscosity-dominated regimes. Moreover, a consistent enriched function is introduced...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0144
... fracture closure for different parametric regimes of fracture propagation. Because of possible deviation from a viscosity-dominated regime, we revisit the classical PKN model of hydraulic fracture by including the influence of fracture toughness of rock. That allows us to keep track of the time interplay...

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