Tubular component for drilling and operating hydrocarbon wells, and resulting threaded connection
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United States of America Patent
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Nov 21, 2017
Issued Date -
N/A
app pub date -
Apr 9, 2010
filing date -
Apr 17, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A tubular component for a threaded connection includes at one of its ends a threaded zone. The end includes a terminal surface and the threaded zone includes, over at least a portion, threads including, when viewed in a longitudinal section passing through an axis of the tubular component, a thread crest, a thread root, a load flank, and a stabbing flank, such that a respective axial width of thread crests decreases in a direction of the terminal surface while a respective axial width of thread roots increases when considered in the same direction. At least one of a profile of the load flank and a profile of the stabbing flank of a thread portion includes, as a contral portion, a continuous curve provided with a point of inflection such that the profile with the point of inflection in convex at the thread crest and concave close to the thread root.
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