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Burst Strength Analysis of Casing with Geometrical Imperfections

dc.contributor.authorHuang, Xiaoguang
dc.contributor.authorChen, Yanyun
dc.contributor.authorLin, Kai
dc.contributor.authorMihsein, Musa
dc.contributor.authorKibble, Kevin A.
dc.contributor.authorHall, Richard
dc.date.accessioned2008-06-05T14:42:44Z
dc.date.available2008-06-05T14:42:44Z
dc.date.issued2007
dc.identifier.citationJournal of Pressure Vessel Technology, 129(4): 763-770
dc.identifier.issn00949930
dc.identifier.doi10.1115/1.2767370
dc.identifier.urihttp://hdl.handle.net/2436/29557
dc.descriptionThe research presented advances the understanding of the accurate prediction of burst strength in the drill casings used in the offshore oil and gas industry. The derived predictive equations involve a Limit-State-Design methodology, a methodology common in building structures, but novel in its application to drill casings. The potential exploitation of the software algorithms is currently being evaluated.
dc.description.abstractAccurately predicting the burst strength is very important in the casing design for the oil and gas industry. In this paper, finite element analysis is performed for an infinitely long thick walled casing with geometrical imperfections subjected to internal pressure. A comparison with a series of full-scale experiments was conducted to verify the accuracy and reliability of the finite element analysis. Furthermore, three predictive equations were evaluated using the test data, and the Klever equation was concluded to give the most accurate prediction of burst strength. The finite element analysis was then extended to study the effects of major factors on the casing burst strength. Results showed that the initial eccentricity and material hardening parameter had important effects on the burst strength, while the effect of the initial ovality was small. (ASME)
dc.language.isoen
dc.publisherASME (American Society of Mechanical Engineers)
dc.relation.urlhttp://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=JPVTAS000129000004000763000001&idtype=cvips&gifs=yes
dc.subjectFinite element analysis
dc.subjectGas industry
dc.subjectOil drilling
dc.subjectMechanical properties
dc.subjectDesign optimisation
dc.subjectMaintenance engineering
dc.subjectEngineering technology
dc.subjectBurst strength
dc.subjectDrill casings
dc.subjectModelling
dc.titleBurst Strength Analysis of Casing with Geometrical Imperfections
dc.typeJournal article
dc.identifier.journalJournal of Pressure Vessel Technology
html.description.abstractAccurately predicting the burst strength is very important in the casing design for the oil and gas industry. In this paper, finite element analysis is performed for an infinitely long thick walled casing with geometrical imperfections subjected to internal pressure. A comparison with a series of full-scale experiments was conducted to verify the accuracy and reliability of the finite element analysis. Furthermore, three predictive equations were evaluated using the test data, and the Klever equation was concluded to give the most accurate prediction of burst strength. The finite element analysis was then extended to study the effects of major factors on the casing burst strength. Results showed that the initial eccentricity and material hardening parameter had important effects on the burst strength, while the effect of the initial ovality was small. (ASME)


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