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Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1755
... the average pore-throat size and thereby reduce the capillary pressure and decrease the remaining fluid saturations by 20% on average. The reduction in capillary pressure and fluid situation can help in mitigating the formation damages such as condensate banking and water blockage. Ultimate, this work...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1133
... loading concentration proppant embedment experiment fracturing materials embedment fracture characterization fracture conductivity mechanism small particle marcellus shale effective stress reduction evolution petroleum engineer permeability ARMA 21 1133 Propped Fracture Conductivity...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2112
... reduction pressure profile permeability expression interaction deformation consequence means poisson ratio ARMA 21 2112 What Process Is Indicated by Vein-Filled Caprocks? Couples, G.D. Heriot-Watt University, Edinburgh, Scotland Copyright 2021 ARMA, American Rock Mechanics Association This paper...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2033
... reduction in dynamic shear modulus. Our results highlight the sensitivity of electrical resistivity for geophysical monitoring during injection of a conductive fluid into a formation filled with an insulating fluid (as for Enhanced Oil Recovery – EOR). For seismic monitoring, we recommend that water...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1430
... for fluid flow, and advection and diffusion for solute transport, poro-elasto-plasticity for clay, key coupled processes include vapor diffusion, porosity and permeability changes due to swelling, thermal osmosis, and stress reduction by illitization. Introduction Geological repositories for disposal...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1622
... coefficient undrained condition heat extraction fluid pressure reduction reservoir thermo-poro-elastic response diffusivity stress path depth dependent thermo-poro-elastic response geothermal reservoir undrained response original state bulk modulus ARMA 21 1622 Depth dependent thermo-poro...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1626
... to reproduce similar results with minimal error and a substantial reduction in the computational time. 1. Introduction Conducting multi-stage, multi-well hydraulic fracturing is a common practice for improving the productivity of unconventional reservoirs (King, 2012). In some cases, these operations takes...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-0011
... velocity natural gas science mpa porosity poisson confining pressure production enhancement fluid dynamics cyclic ln 2 cryogenic treatment mpa original cycle original cycle mpa confining pressure s-wave velocity new crack ln 2 mechanics association p-and s-wave velocity reduction...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1291
... to be independent of temperature. This may be related to the heterogenous mineral composition and thickness of the gouge layer which could allow shearing to be accommodated in unhealed zones. In the experiments, an overall reduction in fluid transmissivity is observed but sliding periods are often associated...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1694
... cement degradation operation upstream oil & gas cement cement-formation interface wellbore design cement failure downhole condition mpa reservoir characterization reduction interface degradation mechanics geomechanics symposium variation cement plug wellbore system tol bulk...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2012
... rheological property completion equipment correlation drilling fluids and materials janeiro operation reliability fernande scenario reduction nanoparticle university carbonate schnitzler brazil application bop fracture ARMA 21 A-2012 Drilling and Completion Technologies for Pre-Salt...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1946
... = 3750 – 4500 psi) and improve the probability to achieve required cement coverage. The paper will also highlight operational learnings like LCM concentration reduction, etc which aid in smoother execution. This data-driven multidisciplinary effort has become the recommended operational workflow for WBS...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0035
... properties differ from formation to formation further requiring to optimize the design of the fracturing process. This paper aims to address one such issue by quantifying the reduction in breakdown pressure because of saturation condition of the reservoir. An experimental study is performed on tight...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0041
... of horizontal drain drilling in the lower pit slope. This resulted in groundwater pressure reduction in the pit walls, moving the actual field condition toward the slope design criteria and acceptable factor of safety. The program was crucial to mine plan implementation, risk reduction, and, attaining...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0498
...-based drilling fluids is an effective approach to wellbore strengthening. A model was developed to predict breakdown pressure based on the filtration reduction and formation permeability. A deepwater well in the Gulf of Mexico was studied to evaluate the effect of wellbore strengthening using NPs...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1647
... ABSTRACT: Reservoir sands experience pressure depletion from the production of fluids that are contained within them. These producing sands can be so depleted that they hinder future developments of deeper producible sands because of the corresponding reduction in stresses across...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1636
... time-dependent failure cohesive element subcritical crack growth reduction degradation atkinson excavation rock bridge underground excavation 1. INTRODUCTION Underground structures are structures completely encased and built into the existing earth s surface and they play more important role...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2075
... model for predicting the progressive evolution of damage zone around the wellbore drilled in naturally fractured shale formations. The Mohr Coulomb model has been employed to capture the plastic behavior of the naturally fractured shale formations, while strength reduction caused by the penetration...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2031
... reduction fractured reservoir Engineering interface element representation hydraulic conductivity MPa porous media matrix permeability 1. INTRODUCTION Currently, the Brazilian pre-salt fields are among the most important oil reserves in the world. Since their discovery in 2010, the production...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2239
... reduction in permeability due to the combined effect of particle crushing and porosity reduction. It has been observed that, crushing of particle influences the flow in two different ways, reduction in the hydraulic radius and tortuosity reduction via creating new flow paths. Reservoir...

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