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延长管道寿命的阴极保护

添加时间:2010-11-3 编辑: 阅读:

  • 产品名称:延长管道寿命的阴极保护
  • 产品定货号:MS-00392-00
  • 产地:美国
  • 推荐:
 

Product Overview

RetroSled and ExpandaSled™ (expanding RetroSled) are optimized pipeline retrofit sled arrays designed for pipelines where anode burial below the natural seabed is required or anticipated. Both are ROV installed.

Both sleds are available in standard configuration for 15 or 30-year design life. Sleds are also equipped with single or dual RetroClamps™ to facilitate rapid and reliable tie back to the pipeline or riser.

RetroSled is a single-section, rigid sled design measuring 20 ft x 8 ft. Use RetroSled to extend life on a pipeline with good coating and still protected readings above -0.900V vs Ag/AgCl sw.

ExpandaSled consists of three sections, which unfold to a 40 ft’ x 8 ft anode on the bottom. Use ExpandaSled when an extra current boost is required for a depolarized pipeline or one with a degraded coating.

Both sleds are pre-programmed into Deepwater’s PipeMod™ attenuation modeling system, which calculates the optimized the spacing between sleds.

Applications

Offshore pipelines. Note: in situations where seabed movement is anticipated, Deepwater does not recommend the rigid RetroSled. See the CP Mat™ for these applications.

Main Benefits

Rapid and safe offshore deployment.
 

Proven design; hundreds of miles of lines successfully retrofitted.
 

Highest quality materials and anodes from Deepwater's affiliated foundries.

Materials

RetroSled uses the highest available quality of sacrificial anode alloys. Typical ambient and cold water Al-In-Zn compositions are used. All steel fabrication uses ASTM A 36 material and is performed in Deepwater's own manufacturing facility as well as at sub-licensed facilities.

System Design Life

10 to 30 years depending on customer requirements.

RetroClamp™ Tie Back

Each RetroSled is shipped with two RetroClamps; typical cables are 2 x 25 feet #4/0 AWG heavy duty flex cables. Thousands of these clamps are now in service around the world, and many have been installed by ROV. The installation efficiency of the RetroClamp has saved customers hundreds of thousands of dollars.

RetroSled consists of a single 20' x 8' section and is installed by a diver or ROV.

ExpandaSled consists of three sections,
which unfold to 40' x 8' on the bottom.

RetroSled deployment from a boat.

ExpandaSled and RetroClamp installation by an ROV. Pipelines only have to be partially excavated (120°).

The RetroClamp tie-back in situ.


产品名称产品简介产品编号
延长管道寿命的阴极保护MS-00392-00



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