Pipe bending and running forces in iviedium to high- curvature wells using finite element analysis

A. C. Seibi, A. M. Al-Shabibi

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

The present paper describes the running process in horizontal wells and studies the effect of some factors on running forces required to push pipes through curved holes with short to medium radii of curvatures. Estimation of the running forces was performed using a general-purpose finite element program called ANSYS. The effect of pipe bending stiffness, hole radius of curvature, and hole clearance are investigated. Finite element results showed that the pipe bending stiffness becomes insignificant for medium curvatures (i.e., radius of curvature greater than 80 mj. It was also found that the running force at the kick-off point (k.o.p) increases as the radius of curvature shortens (severe doglegs) and as the pipe stiffness increases. In addition, FE results revealed that the effect of hole clearance on the running force is negligible.

Original languageEnglish
Pages (from-to)263-267
Number of pages5
JournalJournal of Energy Resources Technology, Transactions of the ASME
Volume120
Issue number4
DOIs
Publication statusPublished - Dec 1998

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Fuel Technology
  • Energy Engineering and Power Technology
  • Mechanical Engineering
  • Geochemistry and Petrology

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