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
EP2344836(A1)
申请公布日期
2011.07.20
申请号
EP20090741238
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