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1-20 of 28
Keywords: hydration
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Proceedings Papers
Hydration Impact on Pore Structure and Methane Adsorption in the Lower Silurian Longmaxi Shale of the Sichuan Basin
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0057
.... Employing quantitative isothermal adsorption techniques, it elucidates pore structure alterations pre- and post-hydration. Quantification of the impact of fluid imbibition on different pore sizes was conducted. It was found that the influence on organic matter pores and macropores larger than 50 nm...
Proceedings Papers
Laboratory Characterization of Backfill-Buffer Bentonite Blocks Under Hydration Aided by X-Ray CT
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0897
... ABSTRACT: We aimed to analyze the physical changes resulting from the hydration process of buffer-backfill composite materials, used in nuclear waste repositories. To achieve this, we established experimental setups capable of simultaneous hydration and X-ray CT imaging and conducted...
Proceedings Papers
Molecular Dynamics Modeling of Effects of Water and Temperature on Rock Strength
Available to PurchaseLi Liu, Xinlong Li, Wenhao He, Runqing Zhang, Yongxin Li, Gaojian Fan, Ran Ji, Huaizhong Shi, Chao Xiong
Publisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0980
... ABSTRACT: The mechanical properties of reservoir rocks are of great significance to the study of rock mechanics, hydraulic fracturing design and reservoir stimulation. The failure mechanism and characteristics of rock under the condition of high temperature hydration have been one...
Proceedings Papers
THMC Cement Initial State of Stress Model and its Numerical Implementation for CO 2 Storage Well Integrity Simulations
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0252
... well integrity hydraulic fracturing reservoir geomechanics hydration slurry transition integrity simulation modeling & simulation evolution prediction cement property percolation threshold increment clinker hydration reaction compression ARMA 24-252 THMC cement initial state...
Proceedings Papers
Hyper Fast THMC Well Integrity Simulator for Powering Optimization, Sensitivity and Risk Analysis
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0258
... in a single framework. Non-analytical components of the model are resolved via one-dimensional Finite Difference schemes, and coupled with pen-and-paper solutions via simple numerical integration schemes. Time-dependent material properties of hydrating cement are taken into account in the incremental problem...
Proceedings Papers
Effect of Supercritical CO 2 and Thermal Loading Cycles on Class G Well Cement Properties
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0439
... different mechanical and thermal loadings. During hydration, the cement pastes are also exposed to various temperature conditions. After well construction, when cement hydration takes place, the cured cement is submitted to thermal cyclic loadings following a batchwise CO 2 injection. Injected from...
Proceedings Papers
Spatio-Temporal Evolution of Swelling Behavior of Gyeongju Bentonite Under Hydration Process
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0854
... to investigate the behavior of these materials. In this study we assessed the swelling behavior of KJ-II Gyeongju bentonite under hydration using X-ray CT technology. A cylindrical sample of 27.5 mm in diameter and 34 mm in height using was utilized in a tailor-made hydration cell, and water was injected...
Proceedings Papers
Effect of Cement Behaviour on Casing Integrity in Superhot Geothermal Wells: A Numerical Study
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0738
... ABSTRACT: This paper presents the results of numerical studies aiming to assess the effects of cement hydration on the casing integrity in superhot well conditions. Casing integrity challenges for high and super-high temperature geothermal wells were first discussed. A simplified well cement...
Proceedings Papers
Modelling Stress Evolution in Cement Plugs During Hydration
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0966
... ABSTRACT: In this work, we have developed a methodology to model the stress evolution in cement plugs during hydration. The model begins with the slurry state of cement and calculates the water consumption and void creation over time as the hydration reactions progress. The void volume change...
Proceedings Papers
Research on the Influence of Hydration on the Evolution Law of Shale Pore Structure
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0697
... experiment exploitation hydraulic fracturing humidity hydration beijing shale hydration porous media ARMA 22 697 Research on the influence of hydration on the evolution law of shale pore structure Yang C., Jia K.K., Zhang X.R., Wang L.L.* China University of Petroleum (Beijing), Beijing, China...
Proceedings Papers
Evolution of Bentonite Under High Temperature Heating and Hydration: Bench-Scale Laboratory Experiments and Coupled Thermo-Hydro-Mechanical Modeling
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-2319
... ABSTRACT: Bentonite buffer in the geological repository for high-level radioactive waste undergoes the heating from the waste package and hydration from the geological formation and goes through coupled thermo-hydro-mechanical-chemical (THMC) changes over the life span of a repository...
Proceedings Papers
Experimental Study on Hydration Mechanism of Shale in the Sichuan Basin, China
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1159
... ABSTRACT: Shale hydration is an important factor affecting the productivity and flowback rate of shale gas wells. Taking the shale of Longmaxi formation (LF) in the Sichuan Basin as the research object, the experiment of shale hydration was carried out, and the quantitative characterization...
Proceedings Papers
An Approach for Studying Effect of Hydration Under Deep Well Drilling Conditions on Strength Properties of Mudstone
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1688
... ABSTRACT: Studying the changes of deep mudstone strength properties after hydration are vital for the design of well drilling and proper choice of drilling fluid for deep wellbore stability. However, the previous methods (Coupled with conventional immersion test and compressive test...
Proceedings Papers
Experimental Study of Coupled THMC Processes in Bentonite Buffer for Geologic Disposal of Radioactive Waste
Available to PurchaseChun Chang, Sharon Borglin, Chunwei Chou, Timothy Kneafsey, Yuxin Wu, LianGe Zheng, Seiji Nakagawa, Hao Xu, Luca Peruzzo, Jens Birkholzer
Publisher: American Rock Mechanics Association
Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1772
... radioactive waste and hydrated from the surrounding host rock. These perturbations trigger complex coupled THMC (thermal-hydrological-mechanical-chemical) processes, which need to be well understood to allow forecasting of long-term performance. Data at high-temperature conditions however is limited. We...
Proceedings Papers
Micromechanical and Homogenization Modelling for a Hydrating Oilwell Cement Paste
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0125
... integrity during, for example, a casing test, requires simulations of hydration and loading history from placement until final hydration and also the knowledge of poroelastic parameters of the cement paste at every degree of hydration. Conventional laboratory experiments, such as drained or undrained...
Proceedings Papers
Effect of Loading History on Mechanical Properties of Hardened Oilwell Cement
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-953
... ABSTRACT: Cement sheath in oil/gas wells plays an important role by providing zonal isolation of different fluids; it protects also the tubular against corrosion and provides mechanical support. In a well, cement paste that forms the cement sheath, hydrates under different conditions...
Proceedings Papers
Digital Multiphysics Interferometry: A New Approach to Study Chemo-Thermo-Hydro-Mechanical Interactions in Geomaterials
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-168
... images were then registered and Digital Image Correlation (DIC) technique was used to analyze the developed strains during the experiment. The results showed for instance that hydration induced stresses are unlikely to cause any micro-fracture initiation under hydrostatic stresses however micro-fractures...
Proceedings Papers
Microstructural Evolution of Organic Matter-Rich Shales by Ionic Solutions
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0138
... ABSTRACT: Despite the significant hydrocarbon production from unconventional shale resources in the last decade, hydration induced mechanical responses of shales especially at micro-scale level is not yet fully understood. Such mechanical responses especially to hydraulic fracturing fluids...
Proceedings Papers
Modelling the Effect Additives on Exothermic Heat Development of Well Cement
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0328
... undesired formation fluid flow through surface and/or other formation(s) behind the casing annulus. The cement exothermic heat development is one of the probable internal alteration to cause SCP evolution. cement property Upstream Oil & Gas cement sample hydration Heat Generation casing...
Proceedings Papers
Monitoring the Hydration Process and Shear Wave Evolution in Cemented Paste Backfill.
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-350
... Abstract: The use of cemented paste backfill (CPB) in the mining industry has increased over the past two decades. A comprehensive understanding of the stiffness development of CPB during early binder hydration stages has great impacts on the safety and economy of mines. Ultrasonic wave...
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