Spars
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Classic Spar In 1996, Kerr-McGee pioneered the use of spar technology in deepwater field development at its Neptune field, in the Gulf of Mexico, in 1,930 feet. The classic spar is a large, cylindrical hull moored in a vertical position. The innovative spar production system offers a stable platform that can accommodate dry trees, and support workover and drilling operations. The world's first spar floating production facility was installed at the Kerr-McGee-operated Neptune field in 1996. Kerr-McGee Global Producer IV is in 1,930 feet of water in the Gulf of Mexico's Viosca Knoll block 826. |
Truss Spar In 2002, Kerr-McGee deployed the second generation of spar technology, the truss spar, at the Nansen and Boomvang fields in more than 3,000 feet of water in the gulf, marking another industry milestone. This new design replaces the lower portion of the cylindrical hull with an open truss structure reducing size and cost. Kerr-McGee achieved first production from its third truss spar at the Gunnison field in the deepwater gulf in December 2003. Kerr-McGee installed its fourth truss spar over the Constitution field in 5,000 feet of water. |
Cell Spar In 2004, Kerr-McGee deployed the third generation of spar technology, the cell spar, marking another industry first. The cell spar's advantage - ease of fabrication and flexibility - makes it a more cost-efficient design, providing another option to reduce the reserve threshold for economic development of deepwater fields. Red Hawk achieved first production in July 2004. The Red Hawk cell spar was fabricated at Gulf Marine Fabricators yard in Corpus Christi, Texas. The cell spar's hull is formed by seven hollow tubes, each 20 feet in diameter, used to provide both stability and buoyancy for people, production equipment and related systems. |
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