New spar installed in gulf

In September, Kerr-McGee Corp. installed its sixth spar production facility in the Gulf of Mexico on Green Canyon Block 680. The Constitution spar, moored in 4,970 ft of water, initially will handle production from both the Constitution and Ticonderoga fields (Fig. 1). Click here to enlarge imageAs these fields decline, Kerr-McGee expects to tie other potential fields into the facility, in a hub-and-spoke development strategy. Its first five spars process fluids from more than 20 subsea tiebacks.Subsea tiebacks connect new discoveries to existing production facilities, improving the economics of offshore oil and gas production so that marginal fields become profitable assets and existing...

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