Aluminum Alloy Pipe Design and Mechanical Property Analysis

Conference paper
Part of the Lecture Notes in Mechanical Engineering book series (LNME)

Abstract

Since the pipes of aluminum alloy have many advantages over traditional carbon steel pipes, the aluminum alloy pipes are gaining their shares in applications in petroleum development. Considering the complexity of the structure of deep and ultra-deep well, the laboratory experimental studies were conducted on the mechanical property, such as tensile strength, and elastic modulus of the steel pipe, aluminum pipe and titanium alloy pipe. A theoretical relationship between aluminum alloy pipe diameter, wall thickness, and tensile strength was established. For field study, a 7000 m deep well in Tarim oilfield was carried on the detailed design, and the results showed that the aluminum alloy pipe down to 7000 m had a safety factor of hook load greater than 1.94, and the safety coefficient of torque value was greater than 1.62. At the same time, the design requirements could be well met; when aluminum pipe was adopted to improve the design, the maximum tension of drill pipe was much bigger than that of a steel pipe’s maximum permissible stress as the steel pipe’s mechanical properties could not meet the requirement of drill pipe string design.

Keywords

Deep and ultra-deep well Aluminum alloy pipe Steel pipe Safety coefficient 

Notes

Acknowledgements

The authors gratefully acknowledge the financial support from the postdoctoral research project and industrial breakthrough project (2015GY119) in Shaanxi province, and National key research and development plan (2016YFB0300904).

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Copyright information

© Springer Nature Singapore Pte Ltd. 2018

Authors and Affiliations

  • Shangyu Yang
    • 1
  • Chun Feng
    • 1
  • Yaorong Feng
    • 1
  • Lihong Han
    • 1
  1. 1.State Key Laboratory of Performance and Structural Safety for Petroleum Tubular Goods and Equipment Materials, CNPC Key Lab for Petroleum Tubular Goods Engineering, Tubular Goods Research InstituteXi’anChina

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