DRILLING PLATFORM Russian patent published in 1996 - IPC

FIELD: marine hydraulic structures, borehole drilling, minerals production, processing and storage in ice floes. SUBSTANCE: drilling platform includes such two blocks as floatable pontoon and foundation frame. Foundation block represents a frame with vertical pile-like guides installed inside, and interconnected to create a single structure using tubular members. Reply part of the floatable block with ring recess is installed onto support ring of the foundation block, and cavity formed between support ring and recess ring is filled with concrete. Floatable block is dismantled and removed if needed. EFFECT: decreased cost, university, decreased labour consumption. 2 cl, 3 dwg