Dual 12.75-in. OD flowlines extending some 27 mi were installed in the Gulf of Mexico within the bounds of a tight cost and time budget. The Gemini Project team attributes its success to the embrace of the philosophy that good contracting strategy, proper installation planning and good risk management will produce desired results. This article describes the contracting philosophy and management, installation planning and project execution associated with the installation of the Gemini flowlines. The dual Gemini flowlines are 27 mi in length and installed to a maximum water depth of 3,400 ft.
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