Marsh crossing uses large HDD, pull

Freeport LNG Development LP, Houston, used state-of-the-art pipe-pull techniques in completing the longest of the horizontally drilled sections of pipelay connecting its regasification terminal site with intrastate natural gas transmission lines. Freeport officials described the pull of 42-in. line under 5,000 ft of marsh as the largest yet undertaken.The total length of the line between the regasification plant and the tie-in location is 10 miles; one-third horizontally drilled, one-third water lay, and one-third upland lay. Other horizontally drilled sections include the already completed crossing of the Inter-Coastal Waterway, and still-pending crossings of Oyster Creek and the channel...

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