发明名称 INSPECTION METHOD OF GAUGE FOR A SELF-LOCKING THREADING OF A TUBULAR CONNECTION USED IN THE OIL INDUSTRY
摘要 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.
申请公布号 US2011203125(A1) 申请公布日期 2011.08.25
申请号 US200913126387 申请日期 2009.10.26
申请人 VALLOUREC MANNESMANN OIL & GAS FRANCE;SUMITOMO METAL INDUSTRIES, LTD. 发明人 MOREAU REGIS;COULON JEAN-LUC;BESSE JEAN-GUILLAUME;BAKALEMIAN PIERRE-YVES;MARTIN PIERRE
分类号 G01B3/40;B21D39/00 主分类号 G01B3/40
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