Product category:
Plant Design and Construction
News Release from: Arc Energy Resources | Subject: Clad pig receivers
Edited by the Processingtalk Editorial
Team on 05 October 2007
Pipeline pig receiver project cladding
contract
Pipeline Engineering chose Arc Energy Resources for the Inconel 625 weld cladding of pipeline pig receiver vessels to be used offshore from Mumbai, to be installed on a corrosive sour service
North Yorkshire based Pipeline Engineering (PE) is a global provider of pipeline pigging and flow assurance products and services to major oil, gas and petrochemical companies, pipeline and refinery operators and contractors Following the successful completion of previous contracts to coat pig launcher vessels for a major Middle East project, the company has again turned to weld overlay cladding specialist Arc Energy Resources to meet the exacting specification for corrosion resistant coatings for the wetted surfaces of a pig receiver vessel
This article was originally published on Processingtalk on 4 Apr 2008 at 8.00am (UK)
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This latest vessel is a 20 x 24inch Class 900 scraper receiver designed to receive conventional and intelligent pipeline pigging tools.
It is destined for the Vasai East Development Project located approximately 80 km west-north-west of Mumbai, off the west coast of India.
The vessel is manufactured in high strength carbon steel using S460 rolls and welded plate.
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Anti-corrosive cladding for pipeline component
Arc Energy Resources has corrosion-proof clad an 8.65 metre-long, 16inch diameter Superduplex riser for use on a sour oil reservoir, fully weld and pressure tested ahead of schedule
Also, because the hydrocarbon gas is classified as a sour service that is particularly corrosive and could cause cracking and other problems in carbon steel components, the specification called for all internal wetted surfaces, flange faces and a quick-closure door to be clad with a 3mm corrosion resistant coating of Inconel 625, to increase the life expectancy of the equipment.
Commenting on the choice of contractor for the cladding, PE project manager Kevin Wilson says: "Cost and delivery are always important on this type of contract, so we called in weld overlay cladding specialists Arc Energy Resources who had worked with us previously on equipment for a number of projects in the Middle East".
Arc Energy, which has recently opened a fabrication facility specifically to provide a complete supply service for weld overlay clad vessels, was able to offer to manufacture and overlay the pig receiver and, because carrying out all welding functions at the one location saved time and freed-up capacity at its own site, Pipeline Engineering took advantage of the offer.
Explaining the complexity of the work involved, Arc Energy sales director Alan Brown says "Welding can cause material shrinkage and distortion and, as the overlay cladding process requires vessels to go through two welding cycles, there were risks that needed to be assessed and addressed.
Our highly qualified and experienced welding and fabrication teams therefore needed to take considerable care, both with the initial set-up and the welding sequences, to ensure that allowances were made for distortion and the customer received the vessel to the exact specification ordered".
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