Lubricant for use in a wellbore
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United States of America Patent
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N/A
Issued Date -
Nov 25, 2004
app pub date -
May 22, 2003
filing date -
May 22, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention provides methods and apparatus for reducing friction and preventing galling between surfaces in a wellbore. In one aspect of the invention, a titanium carbide is disposed between surfaces of an expansion tool and a tubular to be expanded. The titanium carbide coating acts as a lubricant to reduce friction and prevent galling therebetween.
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