UNMANNED DEEPWATER-LINE REPAIR SYSTEM PASSES FULL-SCALE TRIALS

Stefano Venzi, Arrigo Vienna SNAM SpA Milan The first ever full-scale tests of an unmanned, deepwater-pipeline repair system were successfully conducted last year off the coast of Italy. The Italian gas-transmission company SNAM tested a submersible automatic system (SAS) sealine repair system at a depth of 600 m (approximately 2,000 ft). The modular SAS allows sealines to be repaired by installation of the Nuovo Pignone mechanical connector.

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