MSC Software Confidential MSC Software Confidential
Development of Seal Systems for High Pressure
High Temperature (HPHT) Applications
2013 MSC Users Conference
Presented By: Goang-Ding Shyu, Sibu Varghese, Dustin Jordy, Daniel Ewing,
Matthew Krueger, Baker Hughes Incorporated
May 14, 2013
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• Introduction
• Seal Design Considerations
• Completion Packers
• Packer-to-Tubing Seals
• Conclusion
Agenda
2
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High Pressure High Temperature (HPHT)
(Reproduced with permission from http://www.theoildrum.com/node/6135)
Introduction
3
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• Temperature
• Chemical
Environment
• Duration of
Usage
Seal Design Considerations
4
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Seal Design Considerations – Materials for HPHT
5
FFKM = Perfluoroelastomer
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Elastomer Evolution in the Oil Industry
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<1924
Natural Rubber
1936
Neoprene 1940s
Nitrile 1954
Fluoroelastomer 1960s
Perfluoroelastomer
Aflas
1975
Hydrogenated Nitrile
1986
1000X
3000X
10X
1X
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• Pressure Differential
• Extrusion Gap/Backup system
• Seal Geometry
Seal Design Considerations
7
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Completion Packers – Axial Compression
8
Premier Packer
(Animation)
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Worn Casing
Completion Packers – Axial Compression
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(Animation)
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Completion Packers – Radial Expansion
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ZXP Packer
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Completion Packers – Radial Expansion
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(Animation)
ZXP Packer
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Completion Packers – Problem Diagnosis
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(Animation)
Buckling Load
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Completion Packers – Problem Diagnosis
13
Heat Generation
due to Plastic
Deformation
and Friction
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Packer-to-Tubing Seals
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Packer-to-Tubing Seals – Bonded Seal
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(Animation)
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Packer-to-Tubing Seals – Seal Stack
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(Animation)
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Packer-to-Tubing Seals – Bullet Seal
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(Animation)
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• MSC.Marc is an indispensable part of seal design verification,
optimization and failure diagnosis
• Tools for HPHT applications require not only development of new
materials but also ingenuity in design.
Conclusion
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Questions?
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