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Technical Brief

Ductile Rupture Pressure Prediction for Capped-Open Casing and Tubing Under Combined Loads

[+] Author and Article Information
Yongxing Sun

Drilling & Production Engineering Technology Research
Institute CNPC, Chuanqing Drilling Engineering Company
Limited (CCDC),
Guanghan, Sichuan 618300, China
e-mail: yohancesun@aliyun.com

Kuanhai Deng, Taihe Shi

State Key Laboratory of Oil and Gas Reservoir Geology
and Exploitation (SWPU),
Chengdu, Sichuan 610500, China

Yuanhua Lin

State Key Laboratory of Oil and Gas Reservoir Geology
and Exploitation (SWPU),
Chengdu, Sichuan 610500, China
e-mail: yhlin28@163.com

1Corresponding authors.

Contributed by the Pressure Vessel and Piping Division of ASME for publication in the JOURNAL OF PRESSURE VESSEL TECHNOLOGY. Manuscript received October 18, 2016; final manuscript received February 8, 2017; published online March 10, 2017. Assoc. Editor: David L. Rudland.

J. Pressure Vessel Technol 139(4), 044502 (Mar 10, 2017) (4 pages) Paper No: PVT-16-1197; doi: 10.1115/1.4035978 History: Received October 18, 2016; Revised February 08, 2017

Casing and tubing is widely used as protective conduits during all the phases of operations and productions for the oil and gas industry. Recently, casing and tubing burst failure accidents often take place in high pressure and high temperature (HPHT) oil and gas wells during production. Therefore, it is very important to accurately predict casing and tubing bust strength in the casing and tubing design and operation process. PD CEN ISO-TR 10400 presents the ductile rupture model for capped-end conditions, but capped-end casing and tubing applied in oil fields is few. For this case, this document establishes the ductile rupture model for capped-open conditions under combined loads on the base of PD CEN ISO-TR 10400. Numerical and experimental comparisons show that the ductile rupture model for capped-open conditions under combined loads prediction values essentially coincides with burst data provided by PD CEN ISO-TR 10400.

FIGURES IN THIS ARTICLE
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Copyright © 2017 by ASME
Topics: Stress , Rupture , Pressure , Tubing , Design
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References

Figures

Grahic Jump Location
Fig. 1

Pressure acts on the wall surface

Grahic Jump Location
Fig. 2

Plastic and elastic zone

Grahic Jump Location
Fig. 3

The correlation between Pco/Pce and D/t

Grahic Jump Location
Fig. 4

Statistical histogram graph for burst data to calculation values of Pco*, Pce ratio distribution

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