Probabilistic assessment of API casing strength in serviceability limit state

Gouveia, Lucas Pereira De; Lima, Eduardo Toledo de; Santos, João Paulo Lima; Lira, William Wagner Matos; Anjos, Jorel Lopes Rodrigues Dos; Oliveira, F. L.

doi:10.1007/s13202-020-00858-9

Cited by 13 publications

(4 citation statements)

References 19 publications

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“…For real θ 0 ≈ 0.1 rad, ∆ ≈ 1 m and k ≈ 10 5 -10 6 Pa/m stresses within the string may reach up to σ max ≈ 350-500 MPa. At the same time, according to [18], the yield strength for casing pipes of strength group D is σ Y = 373-552 MPa.…”

Section: Results and Analysismentioning

confidence: 99%

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Mechanism of Casing String Curvature Due to Displacement of Surface Strata

et al. 2022

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One of the main problems of well operation is the risk of uncontrolled leakage of hydrocarbons into the environment. This problem is especially relevant for the long-term operation of wells. The idea for this study was inspired by a real industrial problem that the authors of the article were involved in solving. At several operating gas wells, an abnormal slope of the production tree occurred, which raised the question of the safety of their further operation. An analysis of known studies and current regulatory documents did not allow us to assess the safety of using a gas well based on the measured kinematic parameters of production tree deviations. A mathematical model for the deformation of a package of casing strings when the surface layer of the rock is displaced is developed in the article. A boundary value problem is formulated for differential equations of pipe bending on an elastic foundation. Based on the results of solving this problem, an unambiguous relationship was established between the maximum bending stress in the surface pipe and the angle of inclination of the production tree. The quantitative characteristics of the connection depend on the geometric and mechanical properties of the pipes and on the thickness and mechanical parameters of the formations. It was established that the existing inclination of the production tree can be achieved due to the beginning of the plastic bending of the surface pipe under the slickenside, which does not exclude the exhaustion of the safety margin of the surface pipe and indicates the possible operation of the casing string in a pre-emergency state. In general, the obtained results develop analytical approaches to assessing the behavior of underground structures of a production well in unstable soil bodies.

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Section: Results and Analysismentioning

confidence: 99%

“…The authors of [17] obtained regularities of the effect of axial length on the casing string failure. Probabilistic estimates of the strength of casing strings are studied in the work [18]. Finite element modeling of various scenarios of static and dynamic loads of casing strings was carried out in [19,20].…”

Section: Introductionmentioning

confidence: 99%

Mechanism of Casing String Curvature Due to Displacement of Surface Strata

et al. 2022

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“… Collapse: Similar to “burst” failure mode, a pipe is said to collapse when it fails due to external pressure exerted on it. The failure mode is associated with stiffness loss and local instability (Gouveia et al., 2020). Deflection: This failure mode occurs when the vertical diameter of a pipe is decreased.…”

Section: Findings From the Systematic Reviewmentioning

confidence: 99%

Toward Sustainable Water Infrastructure: The State‐Of‐The‐Art for Modeling the Failure Probability of Water Pipes

Taiwo

Seghier

Zayed

2023

Water Resources Research

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Water distribution networks (WDNs) are undoubtedly a critical part of water utility assets, as they are responsible for water transmission (Atef et al., 2016;Berardi et al., 2014). It has been reported that, on average, 80% of water utility expenditures are spent on the management of WDNs (Poulakis et al., 2003). However, available evidence shows that the failure of WDNs is increasing at a fast rate, which negatively impacts individuals' social, economic, and health status (Steffelbauer et al., 2022;Yazdani & Jeffrey, 2012).In the USA and Canada, around 700 water pipes fail daily, thereby contributing to the loss of over 2 trillion gallons of clean water annually (Fan et al., 2022). In 2017, more than 2.2 billion m 3 of water was loss in China (Liao et al., 2021). The enormous financial commitment associated with the failure of water distribution networks cannot be overemphasized. According to the American Water Work Association (AWWA), the USA needs to invest around $1 trillion in replacing and repairing the deteriorating components of their WDNs (Fan et al., 2022). In Australia, the estimated cost of repairing and maintaining WDNs is about AUD 1.4 billion (Weeraddana et al., 2020). In South Korea, 52.5% of the water pipes will require rehabilitation by 2024, as indicated in a study by Seo et al. (2015). In the case of Colombia, a developing country, approximately 50% of water is lost due to water pipe failures (Giraldo-González & Rodríguez, 2020). From the aforementioned, the failure of WDNs, which mostly consist of water pipes, is a global issue that requires utmost attention. WDNs are founded underground; therefore, these infrastructures need to be designed to resist traffic, soil, internal, and overburden pressures, and other environment and operation related loads (Berardi et al., 2008). In essence, the reliability of WDNs must not be compromised during their service life; hence, catastrophic failure

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“…Estes modelos foram obtidos através da observação da variação de parâmetros geométricos, materiais e alguns testes de colapso e ruptura de tubos. Vários trabalhos na literatura têm abordado modelos probabilísticos de ruptura e colapso de tubos (CHANTOSE et al, 2011;SUN;ZHANG, 2013;GOUVEIA et al, 2014GOUVEIA et al, , 2020STEWART, 1998;TAMANO, 2006;TALLIN et al, 1998). Abordagens de confiabilidade estrutural têm sido usadas para verificar fatores de segurança apropriados para projetos determinísticos regionais (LONG;GUAN;LIAO, 2013).…”

Section: Introductionunclassified

Envoltórias probabilísticas da estanqueidade de conexões de revestimento de poços

Uribe¹

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Primeiramente, agradeço ao professor André Beck pela amizade, orientação, confiança e valiosos conselhos. Também, agradeço pela bolsa outorgada durante o doutorado, através da Fundação de Apoio à Universidade de São Paulo (FUSP). Agradeço à PETROBRAS pelo financiamento indireto desta pesquisa através de excedentes do contrato P&D número 0050.0089855.14.2. Agradeço aos contribuintes que custeiam a educação superior pública no Brasil. Agradeço à minha esposa Silvia Diaz pela valiosa companhia, incentivo e todo o seu amor, muito obrigado amor de mi vida. Também, agradeço à família Diaz Diaz pelo apoio, muito obrigado! Agradeço aos meus pais Rafael e Carmen pelo carinho, apoio, e sábios conselhos. Ao meu irmão Yuri, sua esposa Andrea, e aos meus queridos sobrinhos Juan e David, muito obrigado pelo carinho. Agradeço aos meus amigos Colombianos e Brasileiros, por todos os bons momentos que fizeram minha vida mais feliz durante a realização do meu doutorado. Faço especial menção aos meus colegas e amigos: Ayrton, Barretos, Rúbia, Fernando, Jeferson, Morkis, Júlio, Rafael, Heider, Giovanni; Aos hermosos Gustavo e Tassia e aos lindos Rodolfo e Raquel. Agradeço ao meu amigo Rodolfo Tessari pelas contribuições à escrita do texto, obrigado lindo! Agradeço aos docentes do Departamento de Engenharia de Estruturas que me formaram na pós-graduação. Aos professores Luis Volnei Sudati Sagrilo e Jonas de Carvalho, cujas valiosas contribuições no exame de qualificação de doutorado, permitiram aprimorar os resultados do trabalho.

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Probabilistic assessment of API casing strength in serviceability limit state

Cited by 13 publications

References 19 publications

Mechanism of Casing String Curvature Due to Displacement of Surface Strata

Mechanism of Casing String Curvature Due to Displacement of Surface Strata

Toward Sustainable Water Infrastructure: The State‐Of‐The‐Art for Modeling the Failure Probability of Water Pipes

Envoltórias probabilísticas da estanqueidade de conexões de revestimento de poços

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