Applying Offshore Pipe-in-Pipe Technologies on Onshore Projects
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Presenter
Pierre Ollier
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Pierre Ollier
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Abstract
Pipe-in-pipes have now been applied widely for upstream offshore projects in particular for deepwater fields. Flow assurance and particular environment led to such choices, but the industry is also very keen on choosing pipe-in-pipe for the long term integrity and lower risks of damages to the environment. Additional characteristics were developed to the first generation of offshore pipe-in-pipes such as electrically heat tracing systems and optical fiber monitoring. With the development of challenging fields onshore, there are new requirements for pipelines the pipe-in-pipe technologies developed for offshore application can answer. This is particularly true for buried pipelines in cold conditions to transport viscous fluids such as bitumen. A first electrically heat traced insulated pipe-in-pipe is being developed in Alberta over 20km. The objective of this paper is to present the main characteristics of this pipeline project and to give an overview of where it is reasonable to believe that these pipe-in-pipe technologies have a strong interest for the operators and covers the entire scope of pipeline works from procurement to field installation.

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