Aquaterra installs its first Sea Swift platform ///

A new minimum-facilities platform was recently installed offshore West Africa for a major operator. It is the first application of Aquaterra Energy’s new platform concept, Sea Swift. The structure was designed, managed and installed by the company’s personnel, and was fabricated locally in the UK. A second, almost identical, structure has also been built in the UK and will be installed for the same operator offshore Angola during 2008. The new conductor-supported platform uses a field-proven technology for reducing costs in shallow-water field developments by combining the advantages of a platform with the rig-run benefit of a subsea development in a package with lower capital and installation/intervention costs than either. The new structure, located in an 89-ft (27-m) water depth, was installed using a conventional drilling rig. The platform is composed of a subsea “mini-jacket” weighing 50 t (45 metric tons, mt) and a topsides with a gross weight of about 121 t (110 mt...

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