PIPELINE technology specialist, STATS Group, has completed a trunk line isolation project at the Petronas LNG complex in Bintulu, Malaysia.
The Petronas complex is one of the world’s largest LNG production facilities on a single location, with an annual production of 23 million tonnes.
The workscope was performed at the MNGL-Dua plant and was part of the Kumang Cluster onshore tie-in project which will supply the onshore facility with gas from the Kanowit CPP, located approximately 250km offshore Bintulu.
STATS were required to isolate 36” Trunk Lines 3 and 4 while the lines remained at an operating pressure on 69 barg. Two STATS remotely operated Tecno Plugs™ were utilised, one in each trunk line, during the project to isolate the pipeline upstream of the tie-in locations.
The Tecno Plugs™ were configured in a three module train to allow the tools to negotiate multiple bends as they were pigged approximately 80 metres to their set location.
The remote Tecno Plugs™ were tracked and accurately positioned using through-wall communication via an extremely low frequency (ELF) radio control system. The remote control system provided a high degree of flexibility and eliminated the need for tethers or specially modified pig-trap doors.
The remote Tecno Plugs™ were constantly monitored and remained stable and in location for approximately seven days while tie-in operations, which included close proximity hot work activities (welding), were completed. Finally, the plugs were unset and reverse pigged back to the receivers for demobilisation.
STATS Group managing director, Pete Duguid, said: “This project marks a significant milestone for STATS as these are the first Tecno Plugs™ isolations carried out in Malaysia. There is great demand for STATS isolation technologies throughout South East Asia, which is a key market for our isolation technologies, and our future plans include establishing a permanent base in the region.”
Note to editors
Malaysia 1: STATS technician Iain Reid prepares a 36” Tecno Plug™ for deployment at the Petronas LNG complex, Bintulu.
STATS Group is a specialist engineering company and service provider that operates predominantly in the arena of piping and pipeline integrity and maintenance. We supply a comprehensive range of products and services, which enable piping and pipeline isolation, intervention, inspection, repair, connection, and testing work scopes.
The majority of our works are undertaken on mature assets, typically process piping onboard offshore facilities (fixed and floating). We also supply products and services for infield and trunk pipelines both onshore and subsea, as well as onshore processing and distribution terminal facilities.
Established in 1998, our key drivers of providing innovation, value and rapid response, has cemented our reputation in the UK-North Sea and other oil producing regions for always exceeding client expectations. Every product in the STATS portfolio is designed, manufactured, assembled and tested by our own in-house engineers and technicians.
In 2009, STATS Group invested £5 million in a new headquarters at Kintore near Aberdeen, UK, which includes 40,000 sq ft of workshops, storage and testing facilities.
Tecno Plug™ is a Trade Mark of STATS (UK) Ltd
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