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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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