Estudo e caracterização de folhelhos oriundos da perfuração de poços de petróleo da Bacia do Araripe

The stability of shales rich in clay is deeply affected by its complex physical and chemical interactions with drilling fluids. Thus, these rocks with a high content of clay have shown significant changes, such as swelling or expanding, when placed in contact with aqueous fluids due to the adsorptio...

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Main Authors: Larissa Luciana de Melo, João Pedro Souza Andrade, João Pinheiro de Melo Neto, Danielly Vieira Lucena, Clarice Oliveira da Rocha
Format: Article
Language:English
Published: Instituto Federal de Educação, Ciência e Tecnologia da Paraíba 2018-05-01
Series:Revista Principia
Subjects:
Online Access:https://periodicos.ifpb.edu.br/index.php/principia/article/view/1172
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author Larissa Luciana de Melo
João Pedro Souza Andrade
João Pinheiro de Melo Neto
Danielly Vieira Lucena
Clarice Oliveira da Rocha
author_facet Larissa Luciana de Melo
João Pedro Souza Andrade
João Pinheiro de Melo Neto
Danielly Vieira Lucena
Clarice Oliveira da Rocha
author_sort Larissa Luciana de Melo
collection DOAJ
description The stability of shales rich in clay is deeply affected by its complex physical and chemical interactions with drilling fluids. Thus, these rocks with a high content of clay have shown significant changes, such as swelling or expanding, when placed in contact with aqueous fluids due to the adsorption of polar molecules of water or hydrated ions dissolved inside . These changes may cause the collapse of the rock during the drilling with water-based drilling fluids. For a better understanding of the phenomenon of interaction between the rock and the drilling fluid, this study aims to analyze reactivity of shales from the Bacia do Araripe through its characterization. In order to do so, the shales were characterized by CEC, XRF, XRD and Foster swelling. The results indicated that the shales showed significant values of CEC, FRX composition close to that of smectite, and XRD pattern with characteristic peaks of smectite. Regarding the Foster swelling, the shale that presented the highest CEC (F-IP) also presented the highest value of swelling, indicating that the CEC can be applied as an indicative parameter of the reactivity.
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spelling doaj.art-2230da6e775b40a9aee3474b0df04f362022-12-22T03:55:56ZengInstituto Federal de Educação, Ciência e Tecnologia da ParaíbaRevista Principia1517-03062447-91872018-05-01140112010.18265/1517-03062015v1n40p11-20670Estudo e caracterização de folhelhos oriundos da perfuração de poços de petróleo da Bacia do AraripeLarissa Luciana de Melo0João Pedro Souza Andrade1João Pinheiro de Melo Neto2Danielly Vieira Lucena3Clarice Oliveira da Rocha4IFPBIFPBIFPBIFPBIFPBThe stability of shales rich in clay is deeply affected by its complex physical and chemical interactions with drilling fluids. Thus, these rocks with a high content of clay have shown significant changes, such as swelling or expanding, when placed in contact with aqueous fluids due to the adsorption of polar molecules of water or hydrated ions dissolved inside . These changes may cause the collapse of the rock during the drilling with water-based drilling fluids. For a better understanding of the phenomenon of interaction between the rock and the drilling fluid, this study aims to analyze reactivity of shales from the Bacia do Araripe through its characterization. In order to do so, the shales were characterized by CEC, XRF, XRD and Foster swelling. The results indicated that the shales showed significant values of CEC, FRX composition close to that of smectite, and XRD pattern with characteristic peaks of smectite. Regarding the Foster swelling, the shale that presented the highest CEC (F-IP) also presented the highest value of swelling, indicating that the CEC can be applied as an indicative parameter of the reactivity.https://periodicos.ifpb.edu.br/index.php/principia/article/view/1172reactive formation. characterization. inhibited drilling fluids. shales.
spellingShingle Larissa Luciana de Melo
João Pedro Souza Andrade
João Pinheiro de Melo Neto
Danielly Vieira Lucena
Clarice Oliveira da Rocha
Estudo e caracterização de folhelhos oriundos da perfuração de poços de petróleo da Bacia do Araripe
Revista Principia
reactive formation. characterization. inhibited drilling fluids. shales.
title Estudo e caracterização de folhelhos oriundos da perfuração de poços de petróleo da Bacia do Araripe
title_full Estudo e caracterização de folhelhos oriundos da perfuração de poços de petróleo da Bacia do Araripe
title_fullStr Estudo e caracterização de folhelhos oriundos da perfuração de poços de petróleo da Bacia do Araripe
title_full_unstemmed Estudo e caracterização de folhelhos oriundos da perfuração de poços de petróleo da Bacia do Araripe
title_short Estudo e caracterização de folhelhos oriundos da perfuração de poços de petróleo da Bacia do Araripe
title_sort estudo e caracterizacao de folhelhos oriundos da perfuracao de pocos de petroleo da bacia do araripe
topic reactive formation. characterization. inhibited drilling fluids. shales.
url https://periodicos.ifpb.edu.br/index.php/principia/article/view/1172
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