The 120 pipeline segments, each measuring 36 m, were welded and pushed through the 4.3 km tunnel over the past month using a large hydraulic jack, as the tunnel filled with seawater to buoy the 1,066.8 mm diameter pipeline.
Santos Vice President Downstream GLNG Rod Duke said the delivery of the first under-sea crossing for Queensland’s CSG-to-LNG industry brings the pipeline to its final stages of completion.
The GLNG Project involves the development of gas fields in the Bowen and Surat basins, the construction of a 420 km underground gas transmission pipeline, and a two-train LNG processing facility on Curtis Island at Gladstone.
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