Experimental and modeling study of calcium carbonate precipitation and its effects on the degradation of oil well cement during carbonated brine exposure
Decalcification of cement in solutions of carbonated brine is important to a host of engineering applications, especially in subsurface service environments where cementitious materials are frequently utilized as engineered barriers for wellbore seals, as well as shaft and drift seals and waste form...
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Veröffentlicht in: | Cement and concrete research 2018-11, Vol.113, p.1-12 |
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creator | Matteo, Edward N. Huet, Bruno Jové-Colón, Carlos F. Scherer, George W. |
description | Decalcification of cement in solutions of carbonated brine is important to a host of engineering applications, especially in subsurface service environments where cementitious materials are frequently utilized as engineered barriers for wellbore seals, as well as shaft and drift seals and waste forms for nuclear waste disposal. Analysis of leaching simulations and experiments shows that, depending on solution compositions (dissolved CO2 concentration, pH, Ca ion concentration), calcite precipitation occurring during leaching of cement in contact with carbonated brine can have a significant impact on cement reactivity, in some instances leading to complete arrest of reactivity via calcium carbonate “pore-clogging”. We present modeling and experimental results that examine the range of solution conditions that can lead to pore-clogging. Analysis of the results shows that distinct regimes of leaching behavior, based on pH and pCO2, can be used to form a framework to better understand the occurrence of pore-clogging. |
doi_str_mv | 10.1016/j.cemconres.2018.03.016 |
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(SNL-NM), Albuquerque, NM (United States)</creatorcontrib><title>Experimental and modeling study of calcium carbonate precipitation and its effects on the degradation of oil well cement during carbonated brine exposure</title><title>Cement and concrete research</title><description>Decalcification of cement in solutions of carbonated brine is important to a host of engineering applications, especially in subsurface service environments where cementitious materials are frequently utilized as engineered barriers for wellbore seals, as well as shaft and drift seals and waste forms for nuclear waste disposal. Analysis of leaching simulations and experiments shows that, depending on solution compositions (dissolved CO2 concentration, pH, Ca ion concentration), calcite precipitation occurring during leaching of cement in contact with carbonated brine can have a significant impact on cement reactivity, in some instances leading to complete arrest of reactivity via calcium carbonate “pore-clogging”. We present modeling and experimental results that examine the range of solution conditions that can lead to pore-clogging. Analysis of the results shows that distinct regimes of leaching behavior, based on pH and pCO2, can be used to form a framework to better understand the occurrence of pore-clogging.</description><subject>CaCO3</subject><subject>Calcite</subject><subject>Calcium</subject><subject>Calcium carbonate</subject><subject>Carbonation</subject><subject>Cement</subject><subject>Chemical compounds</subject><subject>Chemical precipitation</subject><subject>Computer simulation</subject><subject>Diffusion</subject><subject>Durability</subject><subject>Ion concentration</subject><subject>Leaching</subject><subject>Materials durability</subject><subject>MATERIALS SCIENCE</subject><subject>Modeling</subject><subject>Modelling</subject><subject>Oil well cement</subject><subject>Radioactive waste disposal</subject><subject>Radioactive wastes</subject><subject>Saline water</subject><subject>SEM</subject><issn>0008-8846</issn><issn>1873-3948</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNqFUcuO1DAQtBBIDAPfgAXnBDtOHM9xtVoe0kpc4Gw5dnvXo4wdbAd2P4W_pUPQXjmVXK6uru4m5C1nLWdcfji3Fi42xQyl7RhXLRMt8s_IgatRNOLUq-fkwBhTjVK9fElelXLGp-yEOpDfNw8L5HCBWM1MTXT0khzMId7RUlf3SJOn1sw2rBfEPKVoKtAlgw1LqKaGFP9WhVooeA8WEal6D9TBXTZul6BLCjP9BfNMMS52o27NW5cnU0cnJIDCw5LKmuE1eeHNXODNPzyS7x9vvl1_bm6_fvpyfXXb2H5QtRFGGNYxc3JKMSWNtYOcuPCiN1aozuO3H6fh1A_gmVCMjaafTka5zjA-SSeO5N3um0oNuthQwd7jPiPOonkvR6Ekit7voiWnHyuUqs9pzRFz6Y53YmRywH0eybirbE6lZPB6wdWa_Kg509ux9Fk_HUtvx9JMaOSx8mqvBJz0Z4C8BYFowYW85XAp_NfjD3wGpSk</recordid><startdate>20181101</startdate><enddate>20181101</enddate><creator>Matteo, Edward N.</creator><creator>Huet, Bruno</creator><creator>Jové-Colón, Carlos F.</creator><creator>Scherer, George W.</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><general>Elsevier</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QQ</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope><scope>OIOZB</scope><scope>OTOTI</scope><orcidid>https://orcid.org/0000-0002-9101-4605</orcidid><orcidid>https://orcid.org/0000-0002-5874-2627</orcidid><orcidid>https://orcid.org/0000000291014605</orcidid><orcidid>https://orcid.org/0000000258742627</orcidid></search><sort><creationdate>20181101</creationdate><title>Experimental and modeling study of calcium carbonate precipitation and its effects on the degradation of oil well cement during carbonated brine exposure</title><author>Matteo, Edward N. ; Huet, Bruno ; Jové-Colón, Carlos F. ; Scherer, George W.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c458t-3a3a020a9d88086acc56b13f34ac382fa3af7b5945ef038007a4b9a8d2a01b6d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>CaCO3</topic><topic>Calcite</topic><topic>Calcium</topic><topic>Calcium carbonate</topic><topic>Carbonation</topic><topic>Cement</topic><topic>Chemical compounds</topic><topic>Chemical precipitation</topic><topic>Computer simulation</topic><topic>Diffusion</topic><topic>Durability</topic><topic>Ion concentration</topic><topic>Leaching</topic><topic>Materials durability</topic><topic>MATERIALS SCIENCE</topic><topic>Modeling</topic><topic>Modelling</topic><topic>Oil well cement</topic><topic>Radioactive waste disposal</topic><topic>Radioactive wastes</topic><topic>Saline water</topic><topic>SEM</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Matteo, Edward N.</creatorcontrib><creatorcontrib>Huet, Bruno</creatorcontrib><creatorcontrib>Jové-Colón, Carlos F.</creatorcontrib><creatorcontrib>Scherer, George W.</creatorcontrib><creatorcontrib>Princeton Univ., NJ (United States)</creatorcontrib><creatorcontrib>Sandia National Lab. 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Analysis of leaching simulations and experiments shows that, depending on solution compositions (dissolved CO2 concentration, pH, Ca ion concentration), calcite precipitation occurring during leaching of cement in contact with carbonated brine can have a significant impact on cement reactivity, in some instances leading to complete arrest of reactivity via calcium carbonate “pore-clogging”. We present modeling and experimental results that examine the range of solution conditions that can lead to pore-clogging. 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subjects | CaCO3 Calcite Calcium Calcium carbonate Carbonation Cement Chemical compounds Chemical precipitation Computer simulation Diffusion Durability Ion concentration Leaching Materials durability MATERIALS SCIENCE Modeling Modelling Oil well cement Radioactive waste disposal Radioactive wastes Saline water SEM |
title | Experimental and modeling study of calcium carbonate precipitation and its effects on the degradation of oil well cement during carbonated brine exposure |
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