The Mechanical Analysis of Tubing in Deep Gas Wells in Volcanic Reservoirs

Guo Zhen Li; Shuang Ai; Zhao Jun Hou; Yue Dong Yao

doi:10.4028/www.scientific.net/AMM.117-119.521

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 117-119The Mechanical Analysis of Tubing in Deep Gas...

The Mechanical Analysis of Tubing in Deep Gas Wells in Volcanic Reservoirs

Abstract:

With the fast development of the natural gas industry, volcanic gas reservoirs have been paid an increasing attention. Many deep gas wells in volcanic reservoirs have special characteristics, such as high temperature, high pressure and high level of CO₂ with strong corrosion effect, which brings great challenge to the safety of the tubing. Therefore, the mechanical analysis of tubing in deep gas wells in volcanic reservoirs is helpful to design the strings, optimize operation parameters and predict service life. In this paper, based on the buckling analysis, a mechanical model of tubing is established and solved by stepwise iterative algorithm. Physical properties of tubular strings and fluid are taken into consideration in new model, as well as the pitting corrosion of CO₂. A program also developed for practical purposes. The results can be applied for the safety assessment and life prediction of the tubing in deep gas wells in volcanic reservoirs.

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Periodical:

Applied Mechanics and Materials (Volumes 117-119)

Pages:

521-525

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.117-119.521

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Online since:

October 2011

Authors:

Guo Zhen Li, Shuang Ai, Zhao Jun Hou, Yue Dong Yao

Keywords:

Deep Wells, Safety Assessment, Thermal Expansion, Volcanic Reservoirs

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