Application of the CEL approach to consider FSI for the assessment of leak tightness for elastomeric seals

Yevgen Gorash, Alan Bickley, Francisco Gozalo

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Abstract

Swellable elastomeric seal is a type of specifically engineered packer that swell upon contact with wellbore fluids. Assessment of leakage tightness is a fundamental aspect in the design of swellable packers, since they should guarantee a reliable sealing under extreme pressures of the downhole fluids. Numerical capability of the leakage pressure prediction would facilitate improvement in the packer design methodology. Previous work was focused on investigation of the non-parametric optimisation capability seeking for an optimal external shape with a goal to maximise the grip of a packer with a borehole. The verification of an optimised design was done with a dynamic FE-simulation of packer's failure by extrusion under an excessive pressure. The downside of that verification analysis was that Abaqus/Explicit solver couldn't implement a realistic adaptive pressure application due to changing packer disposition and contact conditions. This simulation challenge is addressed in this paper by application of the Coupled Eulerian-Lagrangian (CEL) approach in Abaqus/Explicit, which provides the ability to simulate a class of problems where the fluid-structure interaction is important.

Original languageEnglish
Title of host publicationASME 2018 Pressure Vessels and Piping Conference
Subtitle of host publicationFluid-Structure Interaction
Place of PublicationNew York
Number of pages10
Volume4
ISBN (Electronic)9780791851654
DOIs
Publication statusPublished - 15 Jul 2018
EventASME 2018 Pressure Vessels and Piping Conference - Prague, Czech Republic
Duration: 15 Jul 201820 Jul 2018

Conference

ConferenceASME 2018 Pressure Vessels and Piping Conference
Abbreviated titlePVP 2018
CountryCzech Republic
CityPrague
Period15/07/1820/07/18

Keywords

  • leakage
  • fluid structure interaction
  • seals
  • swelling

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  • A comparative study of simulated and experimental results for an extruding elastomeric component

    Connolly, S., Gorash, Y. & Bickley, A., 23 Feb 2016, 23rd International Conference on Fluid Sealing 2016. Bickley, A. (ed.). Cranfield, p. 31-41 11 p.

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