Kinetics of swellable packers under downhole conditions

Yucun Lou, Shawn Chester

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

Swellable packers have been widely employed in various oil-field applications. Examples include zonal-isolation, water shut-off, and multi-stage fracturing. Key factors required for these applications are how fast the packer can seal the borehole as well as how fast a certain amount of contact pressure can build up. These factors, which are generally measured from full-scale packer tests, can be estimated through numerical simulations together with lab-scale experiments. In this work, we have developed a three-dimensional continuum level model and simulation capability to study the behavior of swellable packers affected by various downhole conditions. Such conditions include the borehole type, i.e., permeable or non-permeable borehole, and downhole uncertainties, i.e., variations of borehole size and borehole temperature, which are studied systematically through numerical simulations.

Original languageEnglish (US)
Article number1450073
JournalInternational Journal of Applied Mechanics
Volume6
Issue number6
DOIs
StatePublished - 2014

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

Keywords

  • Swellable packers
  • non-linear large deformations
  • polymeric gels
  • swelling kinetics

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