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Keywords: fracture permeability
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Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0050
... ABSTRACT: The impacts of supercritical carbon dioxide (scCO 2 ) on fracture permeability and fracture surface characteristics of shale samples with various mineral compositions were studied in this paper. We measured permeability and fracture normal displacement (FND) at different confining...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0277
... – Sporosarcina pasteurii . The precipitated calcite, which occurs initially from finer pores to larger pores, induces a 10.7% decrease of porosity inside the fracture after the 1 st 12 cycles of MICP treatment. After 18-21 cycles of MICP treatment, the fracture permeability of the two fractured core samples...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0687
... injected into induced fractures. These proppants keep the fractures open, thereby maintaining fractures permeability. However, the MH formation is unconsolidated and soft, unlike rock formation for which proppants are suitable. Currently, the understanding on the effectiveness of proppant is absent...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1315
... computational framework reservoir geomechanics complex reservoir fluid dynamics withdrawal climate change hydraulic fracturing stability matrix fracture permeability coupling fracture boundary fracture characterization injection equation aperture stress state evolution coupling strength...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1653
... cell fracture permeability matrix cell fracture ARMA 21 1653 Different Numerical Methods for Naturally Fractured Reservoir Simulation with EDFM Yu, Wei Sim Tech LLC, Houston, Texas, USA Xing, Yuzhong; Cheng, Muwei; Chen, Pengyu The Research Institute of Petroleum Exploration and Development CNPC...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1958
... injection test (DFIT). History-matching efforts using a simplified layer-cake hydrogeological model resulted in the field-scale formation permeability of 9.87×10 –15 -m 2 (10-mD) and Darcy-scale fracture permeability. Analysis of bottomhole pressure and injection-rate history showed that (1...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1124
... predictive estimation of fracture permeability after slip. The proposed relations link fracture length, shear displacement, fracture apertures, hydraulic apertures, and fracture permeability. We consider both fracture creation and the re-activation of existing fractures that have been infilled by minerals...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0113
... was built to verify the coupled geomechanics-flow model and illustrate the nature of flow in a dynamic fractured formation. The corresponding damage evolution during production as well as the distribution of fracture permeability and formation pressure were obtained in the simulation. The results suggest...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2180
... ABSTRACT: The stress-dependent fracture permeability plays a vital role in shale reservoir drilling and hydrocarbon production process. An undesired change of fracture permeability under varying effective stress can induce serious safe and financial problems, such as lost circulation...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2029
... ABSTRACT: Shear fracture geometry including dilation, roughness, and anisotropy exerts a primary control on fracture permeability. Predictive models of the geometry of shear fracture formation are few, resulting in limited understanding of the permeability of subsurface shear fractures...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-1360
... ABSTRACT: Fracture permeability is a dynamic property under conditions of varying stress and responds to fluid overpressures applied during hydraulic stimulation. We use samples from the SIGMA-V site (Sanford Underground Research Facility (SURF), SD) to measure the co-evolution of fracture...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-369
... the strength, permeability, and acoustic emissions during the hydraulic shearing of rough-walled fracture. Through the experiments, we find the shear slip is limited to between 0.023% and 0.33% of the representative length of pressurized zone, and the fracture permeability increases to from 4 to 12 times...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-430
... specifically with salt pillow structures in Walker Ridge ( Meyer , 2007; Oletu , 2013 ). fracturing fluid closure stress hydraulic fracturing drawdown rq sample laboratory testing proppant formation proppant proceedings conductivity fracture permeability fracturing materials average...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-075
... concentration porosity solute fracture permeability strength water saturation imbibition fracture shale matrix transport equation Reservoir Characterization shale formation invasion complex reservoir Fluid Dynamics drilling fluid membrane permeability saturation equation 1 1. INTRODUCTION...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-1233
... Dynamics triaxial direct-shear coreflood experiment Caprock Integrity restimulation specimen Kevin Dome specimen dimension upper duperow dolomite partnership fracture MPa evolution fracture permeability permeability deformation 1. INTRODUCTION Caprock integrity is important for trapping...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-1017
... discrete fracture network (DFN) to capture the natural heterogeneity and anisotropy of fracture permeability. A simplified PKN model is adopted to simulate hydraulic fracture propagation based on linear elastic fracture mechanics (LEFM). We find that the natural fracture network plays a significant role...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0099
..., the effect of different fracturing fluids on fracture permeability is investigated using the same fractured siltstone sample in five rounds of cycling test (CO 2 -CO 2 -CO 2 -water-CO 2 ). The experimental results reveal that the maximum confining pressure dominated fracture permeability. The fracture...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0717
... mD as dependent on stress and fracture conditions. Simultaneous X-ray video and computed tomography were used to directly measure fracture displacement and apertures. Results show that the stress at which fractures form is likely the most significant factor controlling fracture permeability...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0603
... of changing stress conditions on the permeability of a Utica shale specimen. The intact specimen was equilibrated at 22.2 MPa isotropic stress and 23°C with pre-fracture permeability<0.03 mD. The specimen was fractured at 105 MPa direct-shear stress, as identified by stress drop and simultaneous x-ray...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-496
... outer flank reservoir geomechanics reservoir center Mohr circle fracture fracture permeability 1. INTRODUCTION The concept of reservoir stress path is becoming a more and more relevant tool for describing and understanding the dynamic behavior of hydrocarbon or storage reservoirs. Reservoir...

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