development of seal systems for high pressure high...
TRANSCRIPT
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
MSC Software Confidential
• 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
6
<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
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Completion Packers – Axial Compression
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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?