发明名称 A FLEXIBLE PIPE
摘要 A flexible offshore pipe for transportation of fluids is described. The pipe comprises a plurality of layers comprising an inner pipe structure. The inner pipe structure comprises an innermost sealing sheath defining a bore and a center axis defining a length of the pipe. A first and a second tensile armor layer each comprising a plurality of helically wound elongate armor elements are surrounding the inner pipe structure. The first and the second tensile armor layer each has a winding pitch length and the tensile armor layers are cross wound with respect to each other. The pipe comprises a plurality of unbonded length sections and a plurality of holding length sections. The elongate armor elements of the first tensile armor layer in the unbonded length sections are unbonded to said inner pipe structure and in each holding length section at least one of the elongate armor elements of the first tensile armor layer is more restricted to displacement relative to said inner pipe structure than the elongate armor elements of the first tensile armor layer in the unbonded length sections. The total length of a holding length section and an adjacent unbonded length section is at least about the winding pitch length of the first tensile armor layer.
申请公布号 WO2015028025(A1) 申请公布日期 2015.03.05
申请号 WO2014DK50255 申请日期 2014.08.28
申请人 NATIONAL OILWELL VARCO DENMARK I/S 发明人 GLEJBØL, KRISTIAN;RYTTER, JAN
分类号 F16L11/08 主分类号 F16L11/08
代理机构 代理人
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