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Keywords: Biot
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Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0027
... ABSTRACT: The interaction between reservoir Biot's effective stress and pore pressure change is significant in stress-sensitive reservoirs. Consequently, coupling geomechanics and fluid flow to analyze pressure transient problems for stress-sensitive reservoirs may be necessary. Effective...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0025
... coefficients. A significant outcome is the stress dependency on Biot's coefficient, with considerable changes observed after a 20 MPa differential pressure change, underscoring the necessity for pressure-adjusted estimations rather than utilizing a constant value for a rock as per industry standards. Moreover...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-1099
... interpretation and reservoir characterization by developing rock physics templates ( RPTs ) for these specific formations. We explore how pore structure heterogeneity influences velocity sensitivity over a broad frequency range and varied fluid types. By integrating both Gassmann and Biot theories for fluid...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0660
... ABSTRACT: In this work, the dynamic and static Biot's coefficients and elastic parameters of Longmaxi black shale are investigated by using acoustic measurement and triaxial compression tests. The results firstly show that the dynamic and static elastic stiffness, Young's modulus both increase...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0269
... of these interactions and their impact on the reservoir rock for successful deployment of UHS. In this study, we measure the poromechanical properties, such as bulk compressibility, in-situ porosity, Biot's effective stress coefficient, and P-wave velocity of Berea sandstone specimen at in-situ reservoir stress...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-2137
... is particularly challenging. In this work, we present the measurements of the Biot’s effective coefficient α and the Skempton’s B . The measurements on α are made by using strain gauges by following two different approaches: (1) α = 1 − K/Ks, K is the drained bulk modulus and Ks the grain bulk modulus...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0516
... ABSTRACT: The poroelastic effect on deep buried shale is of high interest and value for evaluating coupled effects of rock deformation and pore pressure change during oil/gas field operations. The concept of Biot’s effective stress law has been proved to be very useful in describing...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-1230
..., injection-induced cooling. enhanced recovery reservoir simulation complex reservoir Berea sandstone Biot hydraulic fracturing Upstream Oil & Gas hydraulic property normalized time Modeling & Simulation waterflooding aperture geomechanics multiphase flow conductivity fracture...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-288
... ABSTRACT: Understanding subsurface stress modifications and the resulting permeability evolution in unconventional reservoirs, both functions of effective stress, is valuable when evaluating their technical and economic feasibility. As a part of this study, the variation of anisotropic Biot's...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-274
... and they are not suitable for studying wellbore stability under dynamic loads. This paper deals with the wellbore stability of an inclined borehole induced by the drilling and the pressurization. In order to analyze the transient response and discover the main factors which influence the wellbore stability, the Biot's...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0235
... ABSTRACT: Biot’s effective stress law has been proved to be very useful in describing the effect of pore fluid pressure on the mechanical response of rocks and understanding the poroelastic effects in unconventional shale or mudstone formations. In this work, six mudstone source rock samples...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0167
... saturation among others affects the mechanical response of the rock. To complete the understanding of the Vaca Muerta formation mechanical behavior, special laboratory studies like Biot's coefficient and creep test were performed in some core shale gas samples; nevertheless, in this work, the quality...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0813
... significantly as the effective stress increases. This study indicates that proper calibration of creep effect is important to get reliable values. This study also present some recommendations to optimize the results. Reservoir Characterization Biot permeability testing Fluid Dynamics pulse test flow...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-030
... Abstract: Horizontal drilling and multistage fracturing are applied in the Bakken Formation to more efficiently produce hydrocarbons. However, lacking of or insufficient knowledge of Bakken rock Biot's coefficient makes the successful drilling of horizontal well with multistage fracturing...
Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-584
... Abstract Biot’s coefficient can be expressed by a few different equations, and consequently, these equations may represent different approaches to measure this coefficient. We developed a combined method to measure the Biot’s coefficient by three different approaches based on three different...
Proceedings Papers

Paper presented at the 48th U.S. Rock Mechanics/Geomechanics Symposium, June 1–4, 2014
Paper Number: ARMA-2014-7022
... under in-situ conditions, thus ensuring the success of hydraulic fracturing. Biot's coefficient is one of the key poroelastic parameters for calculating the effective stress for creating artificial fractures in the shale formations. In this study, we propose anew method to measure the Biot's coefficient...
Proceedings Papers

Paper presented at the 48th U.S. Rock Mechanics/Geomechanics Symposium, June 1–4, 2014
Paper Number: ARMA-2014-7169
... Abstract We calculate the effective vertical and horizontal stresses in the Hejre field, North Sea with a Biot’s coefficient estimated from log data. We show that a drilling window (for a vertical well) calculated with these stresses is larger than if using a Biot’s coefficient of 1. We show...

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