Two Typical Cases Analysis of Casing Connection Pullout

Zhi Yong Pan; Chun Feng; Hua Jia Zhang; Dong Feng Li; Peng Yang

doi:10.4028/www.scientific.net/AMR.524-527.1651

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 524-527Two Typical Cases Analysis of Casing Connection...

Two Typical Cases Analysis of Casing Connection Pullout

Abstract:

Research on a round thread casing connection pullout case and a buttress thread casing connection pullout accident was carried out combining relative theorys with tests. Macroscopic analysis and dimension measurement and material’s physical and chemical properties were checked for casings and couplings. Thread inspection and full-scale tests were done for casing simples that are same lot with pullout casing. Comprehensive analysis was carried out on these results. Two cases history showed that casing connection dropout may take place if make-up location cann’t reach standard location or make-up torque is too little even if the quality of casing and coupling are in accordance with corresponding standards.

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Periodical:

Advanced Materials Research (Volumes 524-527)

Pages:

1651-1655

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.524-527.1651

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Online since:

May 2012

Authors:

Zhi Yong Pan, Chun Feng, Hua Jia Zhang, Dong Feng Li, Peng Yang

Keywords:

Buttress, Case Analysis, Casing, Field End, Mill End, Pullout, Round

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References

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