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Keywords: hydration
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Proceedings Papers
Publisher: 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
Publisher: American Rock Mechanics Association
Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0697
... also plays an important role in our country’s energy development. structural geology shale pore hydraulic fracturing humidity journal complex reservoir reservoir characterization saturation relaxation hydration beijing upstream oil & gas shale gas sandstone porosity research...
Proceedings Papers
Publisher: 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
Publisher: 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
Publisher: 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
Chun 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
... ct image experiment dry-out zone solid waste management groundwater hydration non-heated column center shaft thermocouple sensor sand layer laboratory experiment thermocouple heated column density distribution clay density upstream oil & gas clay swelling heater shaft shaft...
Proceedings Papers
Publisher: 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
Publisher: 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
Publisher: 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
Publisher: 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
Publisher: 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 cement...
Proceedings Papers
Publisher: 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
Publisher: 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...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-587
... the mining cycle and ensuring the safety of mine workers. In this paper, a numerical model is developed (and implemented into FLAC software) for predicting the UCS development and distribution of undrained hydrating CPB structure, taking into account the coupled effects of temperature (thermal factor...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 48th U.S. Rock Mechanics/Geomechanics Symposium, June 1–4, 2014
Paper Number: ARMA-2014-7416
... Abstract Strength retrogression occurs in cements at high temperatures when calcium silicate hydrate phase in hydrated cement converts to alpha dicalcium silicate hydrate phase. The higher the temperature, the quicker the rate of transformation of calcium silicate hydrates. This conversion...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 47th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2013
Paper Number: ARMA-2013-504
..., the shale hydration can be alleviated. Especially for the case that the drilling fluid concentration was larger than the shale pore fluid, the chemical reverse osmosis may cause shale dehydration. The collapse index of small shale wellbore altered with time was more obvious than large wellbore...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 45th U.S. Rock Mechanics / Geomechanics Symposium, June 26–29, 2011
Paper Number: ARMA-11-571
... with cement CEM I or CEM V/A (according to European norms), allowing to study the effect of concrete composition on behaviour. The objective is to know, after one year of maturation under water at 20°C, whether an additional maturation with different temperatures will influence the degree of hydration...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the Golden Rocks 2006, The 41st U.S. Symposium on Rock Mechanics (USRMS), June 17–21, 2006
Paper Number: ARMA-06-929
... processes within the room setting are not modeled at all, such as the hydration effects of the magnesium oxide (MgO) engineered barrier and the production of by-products from hydration, corrosion and precipitation. This paper examines five of these elements, the disturbed rock zone, brine availability, MgO...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the The 27th U.S. Symposium on Rock Mechanics (USRMS), June 23–25, 1986
Paper Number: ARMA-86-0571
... of water a shale will adsorb depends on the charac- teristics of its clay mineral and the ionic con- centratic of surrounding fluid. Fluid loss and the resulting hydration of an unstable formation can lead to serious downhole problems. The rate of fluid loss depends greatly on the penn bility...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the The 25th U.S. Symposium on Rock Mechanics (USRMS), June 25–27, 1984
Paper Number: ARMA-84-0328
... gypsum layer hydration host rock Chapter 35 ROCK MECHANICS ASPECTS OF VOLUME CHANGES IN CALCIUM SULFATE BEARING ROCKS DUE TO GEOCHEMICAL PHASE TRANSITIONS by Caner Zanbak* and Randolph C. Arthur** * Associate Professor, ** Assistant Professor Geology and Geological Engineering Department South...