Offshore pipelines are the lifelines of the energy industry. The offshore pipeline market includes the design, manufacture, and installation of subsea pipelines. The offshore pipeline market for "rigid" steel pipe (carbon steel with corrosion coating) is the standard for most applications. The offshore pipeline market for "flexible" pipe (composite materials) is used for dynamic risers (connecting the seabed to a floating platform) and for some flowlines. The offshore pipeline market for "pipe-in-pipe" (insulated) is used for high-temperature or high-pressure fluids.
The broader pipe laying vessel market provides the installation. The offshore pipeline market for "subsea tiebacks" (connecting new wells to an existing platform) is a major driver. The offshore pipeline market for "gas" export pipelines are large diameter and long distance. The offshore pipeline market for "oil" pipelines are smaller. The offshore pipeline market for "water" injection pipelines are used for enhanced oil recovery.
The offshore pipeline market for "pipeline coatings" protect against corrosion (fusion-bonded epoxy, FBE) and provide weight (concrete) for stability. The offshore pipeline market for "cathodic protection" (using sacrificial anodes) further prevents corrosion. The offshore pipeline market for "pipeline" inspection (using "pigs" – intelligent inspection tools) is a separate aftermarket.
The offshore pipeline market for "buckle arrestors" are used to prevent catastrophic failure during installation. The offshore pipeline market for "risers" (the section from the seabed to the platform) are subject to wave and current forces. The offshore pipeline market for "steel catenary risers" (SCR) are common.
The offshore pipeline market for "deepwater" challenges include high external pressure, low temperature, and long spans. The offshore pipeline market for "flow assurance" (ensuring that fluids flow, preventing hydrates or wax) is a critical design consideration.
Looking ahead, the offshore pipeline market will see the use of "composite" materials for deepwater risers. The offshore pipeline market for "carbon capture" (transporting CO2) is an emerging application. The offshore pipeline market for "hydrogen" transport is a future possibility.
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