公开(公告)号：US20150059904A1

公开(公告)日：2015-03-05

申请号：US14384238

申请日：2013-03-12

Applicant: National Oilwell Varco Denmark I/S

Inventor： Alexandros Nokkentved ,  Bo Asp Moller Andersen ,  Niels Juul ,  Nicky Weppenaar ,  Kristian Glejbol

IPC: F16L11/12 ,  F16L55/00

CPC classification number: F16L11/12 ,  F16L11/083 ,  F16L11/088 ,  F16L55/00 ,  F16L2201/30 ,  G01M3/38

Abstract: A unbonded flexible pipe with a length and a longitudinal axis is described. The pipe comprises an innermost sealing sheath defining a bore, at least one armor layer surrounding the inner sealing sheath and at least one optical fiber containing layer, wherein the optical fiber containing layer comprises at least one tape and at least one optical fiber arranged with a length of at least about 3 times the length of the flexible pipe. In an embodiment the optical fiber is incorporated into the at least one tape of said optical fiber containing layer to provide an integrated fiber tape where advantageously the optical fiber is arranged with S-shaped folds.

Abstract translation: 描述了具有长度和纵向轴线的未连接的柔性管。 所述管包括限定孔的最内密封护套，围绕所述内密封护套和至少一个光纤容纳层的至少一个护甲层，其中所述光纤容纳层包括至少一个带和至少一个光纤， 长度至少约为柔性管长度的3倍。 在一个实施例中，光纤被并入到所述光纤容纳层的至少一个带中，以提供集成的光纤带，其中有利地，光纤布置有S形折叠。

公开(公告)号：US20190162336A1

公开(公告)日：2019-05-30

申请号：US16320633

申请日：2017-07-05

Applicant: National Oilwell Varco Denmark I/S

Inventor： Bo Asp Moller Andersen ,  Michael Eilersen ,  Nicky Weppenaar

IPC: F16L11/127

Abstract: A flexible pipe system includes an unbonded flexible pipe connected to a floating vessel and a sensor system with an optical fibre integrated in the unbonded flexible pipe. Interrogating equipment transmits optical signals into the fibre, receives optical signals reflected from the fibre and detects a parameter of the unbonded flexible pipe. A turret connects the flexible pipe rotationally to the floating vessel via a swivel device that provides a fluid transfer passage between the turret and the vessel. The interrogating equipment is arranged on the turret and is further configured to transfer signals indicative of the detected parameter to receiving equipment on the floating vessel. In this way, optical signals reflected from the fibre can reach the interrogating equipment without distortion in the swivel, so that parameters can be detected with sufficient quality also for floating vessels equipped with a turret mooring system.

公开(公告)号：US11092264B2

公开(公告)日：2021-08-17

申请号：US16320633

申请日：2017-07-05

Applicant: National Oilwell Varco Denmark I/S

Inventor： Bo Asp Moller Andersen ,  Michael Eilersen ,  Nicky Weppenaar

IPC: B63B27/24 ,  F16L11/127 ,  F16L11/08 ,  F16L27/08 ,  F16L33/01 ,  G01M5/00 ,  G01L1/24 ,  F16L11/12 ,  F16L25/01 ,  B63B21/50

Abstract: A flexible pipe system includes an unbonded flexible pipe connected to a floating vessel and a sensor system with an optical fibre integrated in the unbonded flexible pipe. Interrogating equipment transmits optical signals into the fibre, receives optical signals reflected from the fibre and detects a parameter of the unbonded flexible pipe. A turret connects the flexible pipe rotationally to the floating vessel via a swivel device that provides a fluid transfer passage between the turret and the vessel. The interrogating equipment is arranged on the turret and is further configured to transfer signals indicative of the detected parameter to receiving equipment on the floating vessel. In this way, optical signals reflected from the fibre can reach the interrogating equipment without distortion in the swivel, so that parameters can be detected with sufficient quality also for floating vessels equipped with a turret mooring system.

公开(公告)号：US09587773B2

公开(公告)日：2017-03-07

申请号：US14384238

申请日：2013-03-12

Applicant: National Oilwell Varco Denmark I/S

Inventor： Alexandros Nokkentved ,  Bo Asp Moller Andersen ,  Niels Juul ,  Nicky Weppenaar ,  Kristian Glejbol

IPC: F16L9/00 ,  F16L11/12 ,  F16L11/08 ,  G01M3/38 ,  F16L55/00

CPC classification number: F16L11/12 ,  F16L11/083 ,  F16L11/088 ,  F16L55/00 ,  F16L2201/30 ,  G01M3/38

Abstract: A unbonded flexible pipe with a length and a longitudinal axis is described. The pipe comprises an innermost sealing sheath defining a bore, at least one armor layer surrounding the inner sealing sheath and at least one optical fiber containing layer, wherein the optical fiber containing layer comprises at least one tape and at least one optical fiber arranged with a length of at least about 3 times the length of the flexible pipe. In an embodiment the optical fiber is incorporated into the at least one tape of said optical fiber containing layer to provide an integrated fiber tape where advantageously the optical fiber is arranged with S-shaped folds.

Abstract translation: 描述了具有长度和纵向轴线的未连接的柔性管。 所述管包括限定孔的最内密封护套，围绕所述内密封护套和至少一个光纤容纳层的至少一个护甲层，其中所述光纤容纳层包括至少一个带和至少一个光纤， 长度至少约为柔性管长度的3倍。 在一个实施例中，光纤被并入到所述光纤容纳层的至少一个带中，以提供集成的光纤带，其中有利地，光纤布置有S形折叠。