Metal end cap seal with annular protrusions
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United States of America Patent
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N/A
Issued Date -
Nov 13, 2003
app pub date -
May 10, 2002
filing date -
May 10, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention relates to a metal end cap seal for a well sealing assembly for sealing the annulus between two tubular members that has improved sealing abilities at an increased range of temperatures. The metal end cap seal generally comprises a resilient ring with a metal end caps on either end. The inner diameter of the resilient ring has one or more annular protrusions along the inside diameter of the resilient ring. The annular protrusions are sized so as to provide additional interference with the internal tubular member and provide areas of localized compressive stress within the resilient ring while maintaining a desirable overall stress distribution.
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