公开(公告)号：US20150337995A1

公开(公告)日：2015-11-26

申请号：US14646283

申请日：2013-11-13

Applicant: TECHNIP FRANCE

Inventor： Aurélien PEPIN ,  Tomasz TKACZYK

IPC: F16L9/22 ,  F16L9/147 ,  F16L13/02 ,  B23K31/02

CPC classification number: F16L9/22 ,  B23K31/02 ,  F16L1/203 ,  F16L9/147 ,  F16L13/0263

Abstract: A reelable mechanically lined pipe (MLP) (30) having at least a liner (32) and an outer pipe (34), the outer pipe having an outer diameter, DH, with the MLP formed from a plurality of pipe joints having conjoining girth welds (36), wherein the ends of each pipe joint terminate with clad overlay welds (40) having a length in the range Lmin=100 mm and Lmax=4DH, and wherein the liner thickness, t, is equal to or less than a value calculated by formula I as defined.

Abstract translation: 具有至少一个衬套（32）和一个外管（34）的可旋转的机械内衬管（MLP）（30），该外管具有外径DH，MLP由多个具有连接周长的管接头形成 焊缝（36），其中每个管接头的端部终止于长度在Lmin = 100mm和Lmax = 4DH的长度的覆盖层覆盖焊缝（40），并且其中衬垫厚度t等于或小于 根据定义由公式I计算的值。