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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-2021-1135
... 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...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2128
... thermal stress result in an aggravated risk of wellbore instability. Furthermore, the safe mud weight window becomes narrower under the influence of temperature change while it was narrow originally because of the HPHT conditions. A dramatic pore pressure elevation in the reservoir formation leads...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1063
... ABSTRACT: The Panna Formation is the oldest hydrocarbon-bearing tertiary sedimentary unit in the Western Offshore Basin (WOB). Drilling in Panna is plagued by sudden pore pressure ramp resulting in the mud gain and mud-loss situation. A comprehensive study is carried out across 5 blocks of WOB...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1690
... ABSTRACT: The majority of notable induced earthquakes happen on faults within the basement overlain by sedimentary layers. Pore pressure elevation and poroelastic effects have been considered as the driving mechanisms. In this article, a 3D numerical simulation is utilized to investigate...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1731
... reservoir surveillance fuzzy logic complex reservoir upstream oil & gas mpa water production permeability petroleum exploration horizontal principal stress pore pressure production process horizontal principal stress difference maximum horizontal china fracture principal stress ARMA 21...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1733
..., 2017). Several critical parameters, such as fracture net pressure, fracture spacing, in-situ stresses and pore pressure distribution, commonly affect multi-fracture initiation and propagation. In the early stage, extensive experimental works have been done on horizontal fracturing to investigate multi...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1903
... ABSTRACT: Underground storage of carbon dioxide is considered one of the major mitigation methods to limit global warming. The mechanical performance of shales above injection formations is a key factor in ensuring safe disposal and preventing the upward migration of CO 2 . Pore pressure...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1961
... ABSTRACT: The initial state of pore pressure in the reservoir and the presence of permeable pathways are both likely to control stress perturbations during and after fluid injection. The pressure difference between reservoir compartments is usually caused by a barrier to fluid flow...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1230
... the development of pore pressure and effective stress in cement, after phase transition. A sensitivity analysis indicates that formation permeabilities above 1 micro-Darcy lead to drained curing conditions. Bulk volumetric shrinkage in cement, after the transition to a solid state, can relax cement stresses...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1249
... within the acceptable limit of experimental error. 1. Introduction Knowledge of insitu stress and pore pressure and how they change during the geological and production time scale is a topic of interest for decades. Stress and pore pressure change during hydrocarbon extraction and resulting rock...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1296
... of the cement. reservoir geomechanics cement chemistry simulation depth cement formulation casing and cementing pore pressure cement property wellbore design engineering constant microannuli microannuli leakage pathway cement sheath continuous leakage pathway tortuosity cement selection...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1329
... potential compared to the hydraulic flow potential that might occur under realistic pressure gradients. Electro-osmotic treatment with 3 volts across the sample resulted in an increase in pore pressure at the sample top (cathode) from 10 to 15 MPa, reducing the effective stress locally from 11 to 6 MPa...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1346
... ABSTRACT: We have interpreted pore pressure and in-situ stress magnitudes of the Miocene-Pleistocene sedimentary succession encountered in the El Morgan oil field, Gulf of Suez Basin, Egypt. Due to prolonged production, the Middle Miocene Hammam Faraun (HF) and Kareem reservoirs are depleted...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1391
... geomechanics model) would constitute three main 1-D geomechanical model are then used in constructing components which are rock mechanical properties, 3-D geomechanical model. Rock mechanical elastic and current day in-situ stresses, and pore pressure. It contains strength property correlations with porosity...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1428
... pressure increases and subsequently causes the pore pressure to increase along fractures and faults. This increase in pressure along the fault can cause the fault to slip and result in a seismic event. Research has shown that induced seismic activity has been linked to large volumetric quantities...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1764
... machine learning algorithms (ML) to predict abnormal pressure zones in a study area. For this purpose, input features or parameters were obtained from classified log data commonly used in pore pressure prediction, namely gamma-ray, bulk density, and deep-resistivity. Other estimated parameters...

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