Evaluation of Standard API Casing Connections and Parametric API Buttress Improvement by Finite Element Analysis
Autor(a) principal: | |
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Data de Publicação: | 2017 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Materials research (São Carlos. Online) |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392017000100130 |
Resumo: | Threaded and coupled connections generally present a non-uniform stress distribution, which is related to the higher stiffness of the box when compared to the pin. The non-uniform stress distribution can contribute to fatigue cracks and other failure modes in high pressure oil wells. An API 5CT P110 steel obtained from a seamless pipe was mechanically characterized. FEA models were carried out to investigate and compare two API casing connections under make-up torque and tensile efforts. A parametric study was performed using numerical models to determine the influence of some geometric features on the behavior of the API Buttress threaded connection. The API Buttress connection supported higher tensile loads than the API Short Round, however both standard connections showed high stress concentration in the last engaged thread and a non-uniform stress distribution. The manufacturing of grooves at the first and the last engaged threads proved to be an efficient way to reduce the stress concentration of Buttress casing connection and could be an alternative to the development of new products. |
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Materials research (São Carlos. Online) |
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Evaluation of Standard API Casing Connections and Parametric API Buttress Improvement by Finite Element AnalysisThreaded ConnectionsThread Parametric StudyAPI Thread GeometryAPI 5CT SteelThreaded and coupled connections generally present a non-uniform stress distribution, which is related to the higher stiffness of the box when compared to the pin. The non-uniform stress distribution can contribute to fatigue cracks and other failure modes in high pressure oil wells. An API 5CT P110 steel obtained from a seamless pipe was mechanically characterized. FEA models were carried out to investigate and compare two API casing connections under make-up torque and tensile efforts. A parametric study was performed using numerical models to determine the influence of some geometric features on the behavior of the API Buttress threaded connection. The API Buttress connection supported higher tensile loads than the API Short Round, however both standard connections showed high stress concentration in the last engaged thread and a non-uniform stress distribution. The manufacturing of grooves at the first and the last engaged threads proved to be an efficient way to reduce the stress concentration of Buttress casing connection and could be an alternative to the development of new products.ABM, ABC, ABPol2017-02-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392017000100130Materials Research v.20 n.1 2017reponame:Materials research (São Carlos. Online)instname:Universidade Federal de São Carlos (UFSCAR)instacron:ABM ABC ABPOL10.1590/1980-5373-mr-2015-0613info:eu-repo/semantics/openAccessPorcaro,Rodrigo RangelCândido,Luiz CláudioTrindade,Vicente BrazFaria,Geraldo Lucio deGodefroid,Leonardo Barbosaeng2017-03-22T00:00:00Zoai:scielo:S1516-14392017000100130Revistahttp://www.scielo.br/mrPUBhttps://old.scielo.br/oai/scielo-oai.phpdedz@power.ufscar.br1980-53731516-1439opendoar:2017-03-22T00:00Materials research (São Carlos. Online) - Universidade Federal de São Carlos (UFSCAR)false |
dc.title.none.fl_str_mv |
Evaluation of Standard API Casing Connections and Parametric API Buttress Improvement by Finite Element Analysis |
title |
Evaluation of Standard API Casing Connections and Parametric API Buttress Improvement by Finite Element Analysis |
spellingShingle |
Evaluation of Standard API Casing Connections and Parametric API Buttress Improvement by Finite Element Analysis Porcaro,Rodrigo Rangel Threaded Connections Thread Parametric Study API Thread Geometry API 5CT Steel |
title_short |
Evaluation of Standard API Casing Connections and Parametric API Buttress Improvement by Finite Element Analysis |
title_full |
Evaluation of Standard API Casing Connections and Parametric API Buttress Improvement by Finite Element Analysis |
title_fullStr |
Evaluation of Standard API Casing Connections and Parametric API Buttress Improvement by Finite Element Analysis |
title_full_unstemmed |
Evaluation of Standard API Casing Connections and Parametric API Buttress Improvement by Finite Element Analysis |
title_sort |
Evaluation of Standard API Casing Connections and Parametric API Buttress Improvement by Finite Element Analysis |
author |
Porcaro,Rodrigo Rangel |
author_facet |
Porcaro,Rodrigo Rangel Cândido,Luiz Cláudio Trindade,Vicente Braz Faria,Geraldo Lucio de Godefroid,Leonardo Barbosa |
author_role |
author |
author2 |
Cândido,Luiz Cláudio Trindade,Vicente Braz Faria,Geraldo Lucio de Godefroid,Leonardo Barbosa |
author2_role |
author author author author |
dc.contributor.author.fl_str_mv |
Porcaro,Rodrigo Rangel Cândido,Luiz Cláudio Trindade,Vicente Braz Faria,Geraldo Lucio de Godefroid,Leonardo Barbosa |
dc.subject.por.fl_str_mv |
Threaded Connections Thread Parametric Study API Thread Geometry API 5CT Steel |
topic |
Threaded Connections Thread Parametric Study API Thread Geometry API 5CT Steel |
description |
Threaded and coupled connections generally present a non-uniform stress distribution, which is related to the higher stiffness of the box when compared to the pin. The non-uniform stress distribution can contribute to fatigue cracks and other failure modes in high pressure oil wells. An API 5CT P110 steel obtained from a seamless pipe was mechanically characterized. FEA models were carried out to investigate and compare two API casing connections under make-up torque and tensile efforts. A parametric study was performed using numerical models to determine the influence of some geometric features on the behavior of the API Buttress threaded connection. The API Buttress connection supported higher tensile loads than the API Short Round, however both standard connections showed high stress concentration in the last engaged thread and a non-uniform stress distribution. The manufacturing of grooves at the first and the last engaged threads proved to be an efficient way to reduce the stress concentration of Buttress casing connection and could be an alternative to the development of new products. |
publishDate |
2017 |
dc.date.none.fl_str_mv |
2017-02-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392017000100130 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392017000100130 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/1980-5373-mr-2015-0613 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
ABM, ABC, ABPol |
publisher.none.fl_str_mv |
ABM, ABC, ABPol |
dc.source.none.fl_str_mv |
Materials Research v.20 n.1 2017 reponame:Materials research (São Carlos. Online) instname:Universidade Federal de São Carlos (UFSCAR) instacron:ABM ABC ABPOL |
instname_str |
Universidade Federal de São Carlos (UFSCAR) |
instacron_str |
ABM ABC ABPOL |
institution |
ABM ABC ABPOL |
reponame_str |
Materials research (São Carlos. Online) |
collection |
Materials research (São Carlos. Online) |
repository.name.fl_str_mv |
Materials research (São Carlos. Online) - Universidade Federal de São Carlos (UFSCAR) |
repository.mail.fl_str_mv |
dedz@power.ufscar.br |
_version_ |
1754212668823044096 |