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Keywords: cavern
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Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0393
... ABSTRACT: Salt caverns have low porosity, low permeability, self-healing damage, high plastic deformation ability, simple hydrogeological conditions and wide distribution. Salt rock deposits in China are mainly multi-layer salt rock. The characteristics of salt formations present challenges...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0426
... ABSTRACT: The brine sump at the bottom of a gas-storage cavern remains perennially colder than the rock mass at cavern depth, even a dozen years after cavern creation has been completed, resulting in an inversion of the temperature gradient in the lower half of the cavern in which convection...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0008
... ABSTRACT: As a new type of cavern, small-spacing twin well (SSTW) salt cavern has an extensive application prospect in underground gas storage (UGS) due to its good performance such as rapid construction rate, adaptability of thin salt layer, and high injection-production efficiency. While...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0095
... ABSTRACT: The knowledge of possible fracture formation and propagation in rock salt caverns is an important aspect for their safety-oriented design. During gas withdrawal the internal pressure is reduced and the associated cooling of the gas and thus also of the cavern wall cause a reduction...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0205
... deposit in China has good sealing properties, and is an ideal solution mining area for the construction of salt rock gas storage. Salt rock has extremely low permeability and self-repairing properties, which greatly increase the sealing performance of the gas storage. Underground salt cavern hydrogen...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0137
... ABSTRACT: The well spacing and the brine concentration are crucial for the volume and morphology of the two-well salt cavern gas storage by affecting dissolution rate of the cavity. However, it is hard to directly monitor the brine concentration inside the cavity. This study uses the classical...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0640
... storage cavern subjected to high and low gas pressure cycles showed that combined hardening led to substantially greater volume loss over time than drag stress hardening alone. 1 INTRODUCTION Rock salt constitutive models are used to simulate the evolution of mines, boreholes, storage caverns...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0760
... ABSTRACT: The H-2-SALT study aimed to assess the feasibility of a power-to-hydrogen system utilizing salt cavern storage of hydrogen in Kansas. Two specific sites were evaluated in this study, including Gordon Evans Energy Center (GEEC), located near Colwich, KS; and the Hutchinson Energy...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0810
... ABSTRACT: The transformation of abandoned salt caverns from salt-production industries into Underground Gas Storages(UGS) has a great significance for the full utilization of salt mine resources and accelerating the construction of UGS. The abandoned salt caverns can save a lot of construction...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0743
... ABSTRACT: Salt caverns are usually developed by circulating fresh water through a well in a salt formation and extracting brine. Due to the difference in density (buoyancy), fresh water quickly rises to the top of the cavern and promotes dissolution, so the shape of the cavern can...
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-2021-1203
... 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 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-2021-1127
... 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...

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