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Keywords: cavern
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Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1398
... ABSTRACT: Underground gas storage using salt cavern is becoming popular due to the rising problem of the seasonal gas demand peaking. The salt cavern stability analysis is an indispensable part of the salt cavern design. The aim of the research is to study the stability of the two-well...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1127
... ABSTRACT: Sandia National Laboratories has long used the Munson-Dawson (M-D) model to predict the geomechanical behavior of salt caverns used to store oil at the Strategic Petroleum Reserve (SPR). Salt creep causes storage caverns to deform inward, thus losing volume. This loss of volume...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1382
... ABSTRACT: Large underground caverns are widely used for energy storage in the world, especially in China. Until now, however, there are few studies focusing on seismic resistance analysis of deep underground storage caverns with large span. According to the specific structural characteristics...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1331
... ABSTRACT: Compressed Air Energy Storage (CAES) in underground salt caverns is a large-scale energy storage technology in the world. The basic principle of CAES consists of two parts: (1) to use the surplus power of the grid to drive the air compressor to inject air into the underground salt...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1607
... variable. plasticity tensor effective stress potash structure chieslar reservoir characterization stress potential dilation damage response constitutive model upstream oil & gas simulation assumption closure metals & mining compound constitutive model cavern consideration...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1608
...). Below is an example graphic of the latter. Identified in Fig. 1. are two solution mines (caverns) situated in layered media. The mine on the right is observed to have a roof-fall, thereby extending beyond the salt layer into the non-salt layer immediately above. The mines are generally a kilometer...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1616
... ABSTRACT: Salt caverns are considered in several European countries as a promising tool for storing hydrogen. These caverns act as a buffer between electrolyzers converting "green" or "blue" hydrogen and a hydrogen distribution grid. These caverns must be tight. Tightness results from...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1180
... Abstract Ground support design for rock tunnels or caverns often adopts precedents or empirical methods, which were mostly developed in 1960s and 1970s. These methods have undoubtedly contributed to completions of many projects; however, they are unique and closely related to local geology...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1203
... ABSTRACT: Large amounts of insoluble sediments formed in high impurity salt mines can inhibit the expansion of cavern bottom and can block or smash the debrining tubings during the gas injection and extraction process. However, these insoluble sediments are also conducive to the stability...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2138
... ABSTRACT: Gas storage caverns built within rock salt formations experience cyclic loading conditions either when gas is injected into the storage or when the gas is retrieved. The behavior of polycrystalline rock salt under cyclic loading conditions is well documented in the literature...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0477
...) plot, (Bilinear law, or BL). Predictions of NH and BL laws are compared in the case of an elongated cylindrical cavern submitted to a varying internal pressure when Poisson's ratio is v = 0.5. These constitutive laws do not include transient creep behavior; however, in a cavern, transient creep closure...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1590
... ABSTRACT: As an important supporting project of the “West-to-East Gas Pipeline project” of China, the construction of the underground gas storage (UGS) of salt cavern in Jintan is mainly to solve the problem of emergency gas supply. Due to the unbalanced gas supply caused by seasons, climate...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1975
... ABSTRACT: During the long-term operation phase of storage caverns there occur convergence-induced additional stresses within the construction of a cavern well (casing, annulus cementation), especially in the lower part of the well. These additional stresses may lead to a local loss of well...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0370
... ABSTRACT: Abandoned Cavern 4 on the Bayou Choctaw Dome sits within the U.S. Strategic Petroleum Reserve property and requires monitoring and periodic assessments of stability. The cavern was originally drilled for brine production in 1935 and was abandoned in 1954 following the collapse...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1634
... project is the construction of an underground burial site in Jerusalem. In this project, a layout of large caverns was planned. Along the cavern sidewalls, an array of drilled holes with a 75cm diameter and depth of 230 cm was to be designed. This created a dual-scale problem, which had to be given...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-938
... ABSTRACT: In recent years, the geomechanical demand for the design of new gas storage caverns has changed significantly. Because relatively large temperature differences due to the operation of the caverns may occur, thermodynamic calculations of the gas temperature within a geomechanical...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-884
... ABSTRACT: The stability of a pump station cavern excavated in Chagrin shale was evaluated. During the excavation of the top heading, rock along the roof centerline displaced downward more than was anticipated and more than is typically observed in rock cavern construction. Large deformations...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-255
... ABSTRACT: Three-dimensional distinct element method is used to study the excavation and supporting system of the cavern group of Qiongzhong Pumped Storage Power Station in China. The loading of anchor system is in good agreement with the deformation of the surrounding rock. The deformation...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-266
... ABSTRACT: Bayou Choctaw Cavern 20 is located near the edge of the salt dome. Its proximity close to the edge of the dome raises concerns about potential tensile failure in the surrounding rock near BC-20 induced by the cavern volume closure due to salt creep. The location of BC-20 in the salt...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-227
..., containing many mudstone interlayers, bringing great challenges for the SPR cavern construction. Studying the mechanical property of the mudstone interlayers in the SPR real operation environments is necessary before the stability and availability evaluation of the SPR salt cavern. In this paper...

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