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Previous issue date: 2016-12-29 / A mudan?a da matriz energ?tica ? algo ainda muito longe da realidade atual, surgindo o armazenamento geol?gico como alternativa contra o aquecimento global, adotando a t?cnica de captura de CO2 e CH4 antes de sua emiss?o para a atmosfera. Destacam-se como ambientes de armazenamento dos gases, os campos de explora??o maduros de petr?leo e abandonados, contudo, surge a necessidade de desenvolver pastas de ciment?cias sustent?veis para tamponamento de po?os que possuam baixa permeabilidade, buscando minimizar a emiss?o dos referidos gases para a atmosfera. Estas foram desenvolvidas com adi??o de filler do res?duo do polimento do porcelanato (RPP) e dispers?o aquosa de poliuretana, objetivando analisar o seu efeito na redu??o de permeabilidade em pastas de cimento para tamponamento de po?os de petr?leo. Para identificar o melhor comportamento, realizou-se ensaios de permeabilidade, resist?ncia ? compress?o axial, estabilidade, densidade e carbonata??o de acordo com as especifica??es da Associa??o Brasileira de Normas T?cnicas (ABNT) e do American Petroleum Institute (API). Os resultados obtidos nos ensaios foram satisfat?rios e verificou-se que as adi??es do Res?duo do Polimento do Porcelanato e da Poliuretana contribu?ram para redu??o da permeabilidade em pastas de cimento, possuem uma boa resist?ncia a compress?o e conseguem resistir a condi??es carbon?tica com 60 dias de exposi??o em ambiente supercr?tico. / The change in the energy matrix is still far from the current reality, then, the geological storage appears as an alternative against the Global Warming, adopting the technique of capturing CO2 and CH4 before their emission into the atmosphere. They stand out as gas storage environments: the mature and abandoned oil fields. However, there is the necessity to develop sustainable cement pastes for the wells cementation with low permeability, in order to minimize the emission of these gases into the atmosphere. These pastes were developed with the addition of filler from the porcelain polishing waste and Water-borne polyurethane in order to analyze theirs effect on the reduction of the permeability in cement pastes for oil wells. To identify the best behavior, permeability, axial compressive strength, stability, density and carbonation, experiments were performed according to the Brazilian Association of Technical Standards (ABNT) and the American Petroleum Institute (API) specifications. The results obtained in the tests were satisfactory and it was verified that the additions of the porcelain polish residue and the Polyurethane contributed to the reduction of the permeability in cement pastes, they have a good resistance to compression and they are able to withstand the carbonate conditions with 60 days of exposure in a supercritical environment.
| Identifer | oai:union.ndltd.org:IBICT/oai:repositorio.ufrn.br:123456789/23362 |
| Date | 29 December 2016 |
| Creators | Sousa J?nior, Almir Mariano de |
| Contributors | 15724520800, http://lattes.cnpq.br/0022988322449627, Curbelo, Fabiola Dias da Silva, 87599651420, http://lattes.cnpq.br/6991333478380004, Freitas, J?lio Cezar de Oliveira, 00957245408, http://lattes.cnpq.br/2357217530716519, Braga, Renata Martins, 05165674460, http://lattes.cnpq.br/4603529162393328, Santiago, Rodrigo Cesar, 05345915407, http://lattes.cnpq.br/6823966481089536, Martinelli, Antonio Eduardo |
| Publisher | PROGRAMA DE P?S-GRADUA??O EM CI?NCIA E ENGENHARIA DE PETR?LEO, UFRN, Brasil |
| Source Sets | IBICT Brazilian ETDs |
| Language | Portuguese |
| Detected Language | English |
| Type | info:eu-repo/semantics/publishedVersion, info:eu-repo/semantics/doctoralThesis |
| Source | reponame:Repositório Institucional da UFRN, instname:Universidade Federal do Rio Grande do Norte, instacron:UFRN |
| Rights | info:eu-repo/semantics/openAccess |
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