Shell Exploration & Production Co. launched the truss spar for the Perdido regional development on Aug.8, 2008. After a 2 1/2-day sail, it reached location at Alaminos Canyon Block 857, about 200 miles south of Freeport, Texas, about 8 miles north of the international maritime border with Mexico. The spar was upended and attached to three of nine mooring lines. The regional spar with DVA (direct vertical access) wells is moored in about 8,000 ft of water and will gather, process, and export production from three fields: Great White, Tobago, and Silvertip, in a 15-km radius. Called the 'Perdido Regional Host,' it will serve as a common processing hub; the topsides will include a rig for additional drilling and completions. There will be 22 DVA wells frorm the spar, with an additional eight tiebacks from subsea completions. The spar is designed to process as much as 130,000 boe/d (100,000 bo/d and 200 MMcfd of natural gas) from wet-tree production systems. Perdido is the first Gulf of Mexico spar to have hydrocarbon storage tanks for flow assurance. The reservoirs have temperatures of 150 to 200 deg F. and pressures of 5,000 to 9,000 psi(W.Shellsays the oil gravity ranges 18 to 40 degree API. First oil is expected 'around the end of the decade' said Shell, meaning yearend 2009.
Shell installs world's deepest production spar at Perdido
Oil and Gas Journal ; 106 , 34 ; 35-39
2008
5 Seiten, 5 Bilder
Article (Journal)
English
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