FIELD: hydraulic engineering. SUBSTANCE: method consists in shifting the gantry with drilling derrick located on deck of self-lifting floating drilling rig and upper structure is mounted on area thus freed. Then self-lifting floating drilling rig is towed to support block mounted at sea beforehand and hull is brought to this block, after which hull of self-lifting drilling rig is raised till its deck is at the same level with deck of upper structure and upper structure is shifted to deck of support block where it is secured to deck. EFFECT: enhanced reliability. 4 dwg
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Authors
Dates
1997-07-27—Published
1994-07-20—Filed