发明名称 |
WELDING METHOD OF A FIRST TO A SECOND TUBULAR, THE TUBULARS COMPRISING A CORROSION RESISTANT ALLOY ON AN INTERNAL FACE THEREOF |
摘要 |
A method of butt welding a first and second tubular to join them together, the tubulars being suitable for use in an underwater environment and normally being made from carbon steel and having a corrosion resistant alloy (CRA) provided on an internal face thereof, the method comprising: depositing from an external side of the first and second tubulars, a weld-filler material onto a butt joint between the first and second tubulars. Preferably the weld filler on the external side is a carbon steel weld filler and for the internal side is a CRA weld filler. In this manner sufficiently strong circumferential welds may be provided especially for CRA clad tubulars. A method of deploying the tubulars underwater and an apparatus comprising tubulars welded together is also disclosed.
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申请公布号 |
US2013136540(A1) |
申请公布日期 |
2013.05.30 |
申请号 |
US201113695017 |
申请日期 |
2011.04.26 |
申请人 |
JONES RICHARD;CLOUGH TONY;SUBSEA 7 LIMITED |
发明人 |
JONES RICHARD;CLOUGH TONY |
分类号 |
F16L13/02;B23K13/01;B23K31/02;F16L1/12 |
主分类号 |
F16L13/02 |
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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