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Keywords: deformation
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Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0093
... of the measured borehole diametrical deformation. One of the key input parameters in this back-analysis method is the borehole convergence. To calculate the convergence, the initially-drilled borehole diameter before deformation is required. The rock mass in the ground is always under stress and a drilled hole...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0064
... ABSTRACT: Surface ground deformations due to mining are dynamic in nature and depend, among others, on the rate of mining. There are many formulations that can calculate and predict ground deformation due to mining. The majority of these models can accurately predict final deformations, i.e...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0082
...-specific, making them less applicable to all geological and loading conditions. Advancements in computational power have made it feasible to utilize numerical tools to simulate and analyze complex deformation behavior effectively. Discrete Element Methods (DEM) are more suitable than continuum modeling...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0025
...) an increase in pore pressure when external force is applied, and the fluid is trapped within the system; and vice-versa, (2) dilation of the system in response to applied internal pore pressure (Detournay & Cheng, 1993). In the realm of infinitesimal deformations, solids are regarded as elastic entities...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0088
... coefficient deformation yanbin wang equation ocean eng university ARMA 24 88 Dynamic response and fatigue analysis of the Steel Catenary Riser carrying slug flow based on VFIFE method Guangrui Zhang, Yanbin Wang, and Deli Gao MOE Key Laboratory of Petroleum Engineering, China University of Petroleum...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0063
... ABSTRACT: Here, we present a preliminary laboratory study of visco-plastic deformation at representative reservoir temperatures. We performed three loading and unloading stages on each sample, measuring time-dependent deformation after each stage. For two samples, we started at room...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0046
... geomechanics pressure transient analysis hydraulic fracturing american rock mechanic association depletion minifrac geomechanics symposium reservoir characterization poisson variation geology reservoir geomechanics geological subdiscipline well xx edwards path deformation comparison well xx...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0058
... work has shown that releases of helium occur during plastic deformation of crustal rocks above atmospheric concentrations that are detectable in the field. However, it is unclear how rock type and deformation modalities affect the cumulative gas released. This work seeks to address how different...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0892
... ABSTRACT: Rocks exhibit anisotropy in various properties, including ultrasonic waves and diametrical deformation in the radial direction. While previous studies have attempted to analyze rock failure and anisotropy using several cores, the aim of this research is to evaluate the properties...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0944
... of the field. The results show negligible deformation in the cement during hydrocarbon production and CO 2 storage, thereby suggesting low risk of leakage along the studied well. 1. INTRODUCTION Complying with the ambitious objectives of the intergovernmental panel on climate change in terms of amount...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0941
... displacement and support load. CCM utilizes either analytical closed-form solutions or empirical Longitudinal Displacement Profiles (LDP); however, it usually neglects the influence of time-dependency of ground response and associated gradually increasing deformations even after the excavation stage. Designing...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0969
... the safe operations (Wei et al., 2023). The geomechanical assessment may require the consideration of both reservoir depletion (oil/gas production) and re-pressurization (CO 2 injection) phases, since the reservoir deformation processes during the two phases can be physically linked. In reservoir leakage...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-1058
.... Such densification affects upper layers, causing deformations that can be observed even on the seabed. These deformations can cause structural problems in oil wells, such as fractures in upper layers, loss of cement integrity, and excessive traction or compression over the casing (Figure 1). The main goal...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-1103
... geology reservoir geomechanics hydraulic fracture borehole hydraulic fracture interaction natural fracture pre-cut pmma specimen journal deformation laboratory evaluation ARMA 24-1103 Laboratory Evaluation of Natural Fracture and Hydraulic Fracture Interactions Using Digital Image Correlation...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0963
... ABSTRACT: Ground subsidence presents a multitude of hazards, including an increased probability of flooding, deformation of underground pipelines, leakage and even explosions. The over-exploitation of deep groundwater, oil and gas resources over an extended period can result in an acceleration...

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