First Gas Flows Into Santos GLNG Pipeline

December 2014, Vol. 241, No. 12

Santos GLNG has fed natural gas into its 420-km transmission pipeline for the first time via its primary compressor station in the Fairview field in southwest Queensland, Australia.

Santos Vice President Downstream GLNG Rod Duke said he was pleased to take another important step toward Santos GLNG’s first shipment of LNG from Gladstone Harbor next year.
“Commissioning of our pipeline is an important milestone, not only for our business, but the Queensland LNG industry as a whole,” Duke said.

Once fully commissioned and in operation, the pipeline will transport up to 40 MMcf/d from Santos GLNG’s gas fields to its liquefaction plant on Curtis Island, off Gladstone, where it will be cooled and shipped to customers as LNG.

“Building such a big pipeline is no easy task. Construction began in 2012 and since then we’ve worked over 6 million hours on this part of our project,” Duke said.

“We’ve welded more than 36,000 segments of 1.05-meter diameter pipe, weighing in excess of 250,000 tons in total. We’ve individually negotiated land access agreements with over 120 landholders, and we’re proud of the strong relationships we’ve built with property owners and local communities over this time.”

Construction of the Santos GLNG pipeline also involved: 36,000 segments of pipe; 120 excavators; 45 pipe laying machines; and one primary contractor and over 50 subcontractors. Saipem Australia constructed the pipeline for Santos GLNG.

Duke said work in Santos GLNG’s gas fields across the Bowen and Surat basins and construction of the LNG plant were progressing toward first LNG in 2015. The pipeline will now be progressively filled with gas section by section.

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