Paper Title:
The Design of High Pressure Wellhead’s Spool Base on the Autofrettage
  Abstract

The problem facing of spool used in high pressure wellhead is illustrated. The methods and steps of conventional design and autofrettage design for spool are introduced. Based on the 4rd strength theory, the wall thickness of spool under 103.5MPa is designed using the two methods. Compared with the conventional design, the wall thickness of spool is declined 16.6%, the gross weight is 60% of previous, the stress distribution is more uniform and the utilization rate of raw materials is increased by autofrettage. Thus it provides a theoretical basis for design of spool used in high pressure wellhead.

  Info
Periodical
Advanced Materials Research (Volumes 308-310)
Chapter
Structural Strength and Robustness
Edited by
Jian Gao
Pages
1405-1409
DOI
10.4028/www.scientific.net/AMR.308-310.1405
Citation
M. Q. Li, M. L. Duan, Y. Huang, S. Z. Zhou, "The Design of High Pressure Wellhead’s Spool Base on the Autofrettage", Advanced Materials Research, Vols. 308-310, pp. 1405-1409, 2011
Online since
August 2011
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Price
$32.00
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