Failure and integrity analysis of casings used for oil well drilling

Autores
Cirimello, Pablo. G.; Otegui, Luis Jose; Carfi, Guillermo; Morris, Walter
Año de publicación
2017
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Drilling with casing (DwC) is an innovative method particularly widespread in deep shale plays, that reduces the time and cost of drilling stages. However, casings are not designed for this purpose, and still the pipes and connections are required to remain sealed in the well after sustaining a large amount of drilling cycles and possible damage. The investigations presented in this article were triggered by the failure of a 9 5/8″ diameter K55 seamless casing during drilling an oil well. Fractographic analyses identified fatigue crack nucleation and growth in the tube/coupling (T/C) transition zone. The failure analysis included physical and chemical material tests and numerical stress analyses at the T/C threaded joints when subjected to the loads logged during drilling. Fatigue cracks were found in other pipes that, although did not lead to fast fracture, would have caused leaking during subsequent well completion and production. The most relevant conclusion is that future integrity of casings used for drilling could not be assured. Reducing cyclic drilling stresses below the actual fatigue strength of pipes and connections is not easy task; the industry tendency is to go to slim-hole DwC, with ever increasing operating loads. Therefore, the economic feasibility of using heat treated casing and more sophisticated DwC designs are highlighted. Large grained tube steels and premium connections are found to be the most cost-effective alternatives to ensure the casing would survive the cyclic torque and compression stresses without serious damage.
Fil: Cirimello, Pablo. G.. YPF - Tecnología; Argentina
Fil: Otegui, Luis Jose. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. YPF - Tecnología; Argentina
Fil: Carfi, Guillermo. YPF - Tecnología; Argentina
Fil: Morris, Walter. YPF - Tecnología; Argentina
Materia
Casing Drilling
Fatigue Cracking
In-Service Integrity
Material Optimization
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/46856
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/46856
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Failure and integrity analysis of casings used for oil well drillingCirimello, Pablo. G.Otegui, Luis JoseCarfi, GuillermoMorris, WalterCasing DrillingFatigue CrackingIn-Service IntegrityMaterial Optimizationhttps://purl.org/becyt/ford/2.5https://purl.org/becyt/ford/2Drilling with casing (DwC) is an innovative method particularly widespread in deep shale plays, that reduces the time and cost of drilling stages. However, casings are not designed for this purpose, and still the pipes and connections are required to remain sealed in the well after sustaining a large amount of drilling cycles and possible damage. The investigations presented in this article were triggered by the failure of a 9 5/8″ diameter K55 seamless casing during drilling an oil well. Fractographic analyses identified fatigue crack nucleation and growth in the tube/coupling (T/C) transition zone. The failure analysis included physical and chemical material tests and numerical stress analyses at the T/C threaded joints when subjected to the loads logged during drilling. Fatigue cracks were found in other pipes that, although did not lead to fast fracture, would have caused leaking during subsequent well completion and production. The most relevant conclusion is that future integrity of casings used for drilling could not be assured. Reducing cyclic drilling stresses below the actual fatigue strength of pipes and connections is not easy task; the industry tendency is to go to slim-hole DwC, with ever increasing operating loads. Therefore, the economic feasibility of using heat treated casing and more sophisticated DwC designs are highlighted. Large grained tube steels and premium connections are found to be the most cost-effective alternatives to ensure the casing would survive the cyclic torque and compression stresses without serious damage.Fil: Cirimello, Pablo. G.. YPF - Tecnología; ArgentinaFil: Otegui, Luis Jose. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. YPF - Tecnología; ArgentinaFil: Carfi, Guillermo. YPF - Tecnología; ArgentinaFil: Morris, Walter. YPF - Tecnología; ArgentinaPergamon-Elsevier Science Ltd2017-05info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/46856Cirimello, Pablo. G.; Otegui, Luis Jose; Carfi, Guillermo; Morris, Walter; Failure and integrity analysis of casings used for oil well drilling; Pergamon-Elsevier Science Ltd; Engineering Failure Analysis; 75; 5-2017; 1-141350-6307CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1016/j.engfailanal.2016.11.008info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S1350630716307889info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-22T11:14:14Zoai:ri.conicet.gov.ar:11336/46856instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-10-22 11:14:14.674CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Failure and integrity analysis of casings used for oil well drilling
title Failure and integrity analysis of casings used for oil well drilling
spellingShingle Failure and integrity analysis of casings used for oil well drilling
Cirimello, Pablo. G.
Casing Drilling
Fatigue Cracking
In-Service Integrity
Material Optimization
title_short Failure and integrity analysis of casings used for oil well drilling
title_full Failure and integrity analysis of casings used for oil well drilling
title_fullStr Failure and integrity analysis of casings used for oil well drilling
title_full_unstemmed Failure and integrity analysis of casings used for oil well drilling
title_sort Failure and integrity analysis of casings used for oil well drilling
dc.creator.none.fl_str_mv Cirimello, Pablo. G.
Otegui, Luis Jose
Carfi, Guillermo
Morris, Walter
author Cirimello, Pablo. G.
author_facet Cirimello, Pablo. G.
Otegui, Luis Jose
Carfi, Guillermo
Morris, Walter
author_role author
author2 Otegui, Luis Jose
Carfi, Guillermo
Morris, Walter
author2_role author
author
author
dc.subject.none.fl_str_mv Casing Drilling
Fatigue Cracking
In-Service Integrity
Material Optimization
topic Casing Drilling
Fatigue Cracking
In-Service Integrity
Material Optimization
purl_subject.fl_str_mv https://purl.org/becyt/ford/2.5
https://purl.org/becyt/ford/2
dc.description.none.fl_txt_mv Drilling with casing (DwC) is an innovative method particularly widespread in deep shale plays, that reduces the time and cost of drilling stages. However, casings are not designed for this purpose, and still the pipes and connections are required to remain sealed in the well after sustaining a large amount of drilling cycles and possible damage. The investigations presented in this article were triggered by the failure of a 9 5/8″ diameter K55 seamless casing during drilling an oil well. Fractographic analyses identified fatigue crack nucleation and growth in the tube/coupling (T/C) transition zone. The failure analysis included physical and chemical material tests and numerical stress analyses at the T/C threaded joints when subjected to the loads logged during drilling. Fatigue cracks were found in other pipes that, although did not lead to fast fracture, would have caused leaking during subsequent well completion and production. The most relevant conclusion is that future integrity of casings used for drilling could not be assured. Reducing cyclic drilling stresses below the actual fatigue strength of pipes and connections is not easy task; the industry tendency is to go to slim-hole DwC, with ever increasing operating loads. Therefore, the economic feasibility of using heat treated casing and more sophisticated DwC designs are highlighted. Large grained tube steels and premium connections are found to be the most cost-effective alternatives to ensure the casing would survive the cyclic torque and compression stresses without serious damage.
Fil: Cirimello, Pablo. G.. YPF - Tecnología; Argentina
Fil: Otegui, Luis Jose. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. YPF - Tecnología; Argentina
Fil: Carfi, Guillermo. YPF - Tecnología; Argentina
Fil: Morris, Walter. YPF - Tecnología; Argentina
description Drilling with casing (DwC) is an innovative method particularly widespread in deep shale plays, that reduces the time and cost of drilling stages. However, casings are not designed for this purpose, and still the pipes and connections are required to remain sealed in the well after sustaining a large amount of drilling cycles and possible damage. The investigations presented in this article were triggered by the failure of a 9 5/8″ diameter K55 seamless casing during drilling an oil well. Fractographic analyses identified fatigue crack nucleation and growth in the tube/coupling (T/C) transition zone. The failure analysis included physical and chemical material tests and numerical stress analyses at the T/C threaded joints when subjected to the loads logged during drilling. Fatigue cracks were found in other pipes that, although did not lead to fast fracture, would have caused leaking during subsequent well completion and production. The most relevant conclusion is that future integrity of casings used for drilling could not be assured. Reducing cyclic drilling stresses below the actual fatigue strength of pipes and connections is not easy task; the industry tendency is to go to slim-hole DwC, with ever increasing operating loads. Therefore, the economic feasibility of using heat treated casing and more sophisticated DwC designs are highlighted. Large grained tube steels and premium connections are found to be the most cost-effective alternatives to ensure the casing would survive the cyclic torque and compression stresses without serious damage.
publishDate 2017
dc.date.none.fl_str_mv 2017-05
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/46856
Cirimello, Pablo. G.; Otegui, Luis Jose; Carfi, Guillermo; Morris, Walter; Failure and integrity analysis of casings used for oil well drilling; Pergamon-Elsevier Science Ltd; Engineering Failure Analysis; 75; 5-2017; 1-14
1350-6307
CONICET Digital
CONICET
url http://hdl.handle.net/11336/46856
identifier_str_mv Cirimello, Pablo. G.; Otegui, Luis Jose; Carfi, Guillermo; Morris, Walter; Failure and integrity analysis of casings used for oil well drilling; Pergamon-Elsevier Science Ltd; Engineering Failure Analysis; 75; 5-2017; 1-14
1350-6307
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.1016/j.engfailanal.2016.11.008
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S1350630716307889
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Pergamon-Elsevier Science Ltd
publisher.none.fl_str_mv Pergamon-Elsevier Science Ltd
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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score 12.982451

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