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Jumpers, tie-in spools, risers and flowlines

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Jumpers, tie-in spools, risers and flowlines 2018-09-20T10:55:54+00:00
Example of an insulated jumper
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Jumpers and tie-in spools are the relatively short pipe lengths that connect oil field equipment such as trees, manifolds and PLETs together.

Such pipes tend to consist of straight sections of varying length linked with bend sections of varying angle. Due to the complexity of installing such structures the final length and shape of the pipe structures is often not determined until after landing and the determination of post metrology measurements. This presents a challenge in that a two stage installation process must be completed; the insulation of the bulk pipe and bends followed by subsequent field jointing at the fabrication yard. The first section ideally is completed off the critical path to alleviate scheduling pressure however the field joints are very much on the critical path. Advanced Insulation can offer the completion of the bulk pipes at an Advanced Insulation facility where controlled conditions are available or on the site of work, working in conjunction with the pipe fabricator. Advanced Insulation can complete the field joints at the work site again working in conjunction with the pipe fabricator. Risers and flowlines tend to be longer sections of prefabricated pipe that are reeled prior to deployment offshore; the insulation production is very much the same with only the presence of offshore fast field joints adding to complexity.

ContraTherm® C25 is an ideal solution for such pipe insulation projects. The material is readily applied in the temperate and humidity ranges seen in the oil and gas business with only cold temperatures presenting a challenge solved by the provision of heated facilities. The cold curing, low shrinkage attributes of C25 offer defined thicknesses and lengths with minimised internal stress loadings that guarantee a secure coating irrespective of the number of moulding joints. The joint strength between C25 sections is equal to the parent material strength ensuring the joints do not present a weak spot; equally C25 can be jointed to dissimilar insulation materials such as polyurethane or polypropylene where required. ContraTherm® C25 can be applied to a multitude of substrate anti corrosion coatings including but not limited to FBE, thermally sprayed aluminium and epoxy, glass flake and phenolic paint coatings.

ContraTherm® C25 has been successfully applied to such structures in cold territories such as the UK and Norway, hot and humid climates such as Malaysia and the Gulf of Mexico and also in hot and remote territories such as Nigeria and Angola.

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