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Keywords: pore pressure
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Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1429
... in a staggered layout with horizontal and vertical offset. This paper presents a robust geomechanical modeling and analysis of the proposed solution. To investigate this problem, we present a 3D geomechanical analysis of induced pore pressure and stress around multiple staggered horizontal wells. We use...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1584
... ABSTRACT: Knowing the reservoir pore pressure is essential in the well drilling process, completion design, and reservoir engineering because it is a significant parameter that can affect the drilling operations and well design processes. Under pressured or over pressured formations can lead...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2042
.... By contrast, Core W plugs show compositional variation, but are texturally relatively uniform. Each experiment employed isotropic loading cycles at constant pore pressure (P p ), axial stress cycling at constant mean stress, triaxial compression to reservoir conditions, and P p -cycles. Comparison between...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1136
... It is a significant challenge for drilling, completion, and production to understand and predict the evolution of pore pressure and in-situ stresses through the operational life of a depleted sand field. Minimum horizontal stress (S h ) reduces with pore pressure when hydrocarbons are produced from a subsurface...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1609
... pressure above the injection zone caused by partially undrained loading can be as large as ~1% of the pressure increase in the injection zone for the chosen reservoir model. The pore pressure in the above-injection zone increases up to a maximum value of ~15 kPa within ~10 days followed by a gradual decay...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1794
... Abstract François Henri Cornet (FHC), doggedly looked for experimental evidence of S-wave birefringence variations versus pore pressure over potentially anisotropic depth intervals in several scientific boreholes, facing unexpected difficulties, and showing no obvious induced S-birefringence...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1968
...., 2017; Wu et al., 2019; An et al., 2020; Sun et al., 2021). A 3D mechanical earth model (MEM) captures all information related to geomechanics, including rock mechanical properties, pore pressure, in situ stress state, geologic structure, stratigraphy and well geometry (Plumb, 1994; Plumb et al., 2000...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1987
... for pore pressure prediction depend on well logging, formation properties, and combination of logging and drilling parameters. These data are not available for all wells in all sections. The objective of this paper is to use artificial neural networks (ANNs) to develop a model to predict the formation...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1195
... the tectonic stresses, pore pressure, and rock physics based on hyperbolic Drucker-Prager (DP) yield criterion and is tied to rock rigidity, bulk compressibility, and total organic carbon. First, a 1-Dimensional Mechanical Earth Model for a Kaybob well is constructed incorporating a broad range of available...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1196
.... reservoir characterization upstream oil & gas microannulus permeability completion installation and operations carbon dioxide co 2 casing and cementing pore pressure experiment cement slurry permeability leakage mpa cement-casing interface stress wellbore subsurface storage axial stress...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1202
... magnitude of S hmin in that layer. Mandal et al. (2021a) recently evaluated several possible mechanisms to explain such behavior in the Goldwyer shale formation, e.g., contrast in frictional strength properties, viscoelastic stress relaxation, change in pore pressure. Because the creep rate is a key...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2121
... external stresses, pore pressures, temperatures, and type pore fluids to properly characterize the potential of inducing seismic activity in rock during underground storage. 1. Introduction Injection of fluids into the subsurface reduces the effective stress and can cause microcracking or slip...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2129
... then computes the probability of activating a critically oriented fault at a range of pore pressures. This latter feature can be used to aid in the assessment of the risk of induced seismicity and leakage in geologic carbon sequestration and enhanced geothermal systems. 1. Introduction Characterizing...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2165
... wellbore integrity pore pressure structural geology strength geomechanics assessment complex reservoir upstream oil & gas depletion drilling campaign elastic property population reservoir zone north madura field mud weight window stress condition geomechanics model madura field north...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2023
... that an important factor is the loss of permeability near the wellbore due to pore collapse (deformation skin), which does not allow pore pressure to dissipate (Papamichos 1998). The pore pressure build-up may be significant in the case of water weakening, due to the spontaneous pore collapse of the chalk upon...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1135
... not only have a profound impact on fluid flow, but also effect the stress field in their vicinity. In addition, pore pressure changes due to injection or production can induce slippage and fault reactivation, respectively (Pereira et al., 2014; Rueda et al., 2014; Sanchez et al., 2015; Haug et al., 2018...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1137
... Abstract Pore pressure prediction in shales undergoing compaction, including both mechanical and chemical processes, is customarily related to the mechanism referred to disequilibrium compaction. However, even when this mechanism is established and the normal compaction trend in sonic velocity...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1197
...). reservoir characterization sustainability orientation social responsibility renewable energy pore pressure shear hydraulic fracturing mechanics geomechanics symposium natural fracture sustainable development upstream oil & gas displacement fluid pressure specimen hydroshear shear slip...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1241
... for normal faulting frictional equilibrium, injection-related shear events start sooner than in the Niobrara A and C, which require higher pore pressure to stimulate shear slip. 1. Introduction In this paper we report a geomechanical study principally related to understanding hydraulic fracture...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1783
... media upstream oil & gas pore pressure boundary condition barreto jr source term case study sealing fault nhde oil flow expansion equation permeability drillstem/well testing dimensionless time order term flow simulator log-log plot ARMA 21 A-1783 Integro-Differential Solution...

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