Inspection method of gauge for a self-locking threading of a tubular connection used in the oil industry
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United States of America Patent
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Oct 1, 2013
Grant Date -
Aug 25, 2011
app pub date -
Oct 26, 2009
filing date -
Oct 30, 2008
priority date (Note) -
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Abstract
A method and a gauge for inspecting a self-locking threading provided close to one end of a tubular component used for exploration or operation of hydrocarbon wells, the threading including a lead with a constant width and thread root widths that increase in the direction of a distal surface of the tubular component. The gauge can be displaced in the self-locking threading to a locking position, the locking position then being marked and compared with a reference locking position.
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