FIELD: sea oil drilling. SUBSTANCE: platform, made of supporting structure with carrying pillar 2 and deck 4 has laid on the bottom bed-frame, to which all the structure is fixed. Laid on the bottom bed-frame is made as a fundamental late with narrowing down conical hole. Supporting part of the platform is made as a pontoon, the bottom part of which has a conical bulge, that enters the conical hole of the fundamental plate during platform sinking. EFFECT: platform is used in sea oil drilling. 2 cl, 3 dwg
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