OCTG pipe system and method of manufacturing thereof
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United States of America Patent
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May 26, 2020
Grant Date -
Sep 28, 2017
app pub date -
Mar 21, 2017
filing date -
Mar 22, 2016
priority date (Note) -
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Abstract
A pipe system for oil country tubular goods (OCTG) and a method of manufacturing the OCTG pipe system is disclosed. The pipe system includes at least one OCTG pipe having a pipe body, the pipe body having at least one connection end formed in unipartite and materially integral manner with the pipe body for coupling to a second OCTG pipe. The OCTG pipe is formed in seamless fashion from a hardenable steel alloy, and the connection end has a yield strength higher than the yield strength of the pipe body.
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