FIELD: well drilling at sea areas by mechanisms set up on supporting platform in form of one tubular column. SUBSTANCE: invention includes use of technology of tow-section supporting platform from tubes of various diameters and method its stabilization by working up and down of upper section in lower section, i.e., by use of upper section of tubes in capacity of driving (in and out) tool. Blows are delivered with help of circular hammer to circular anvil mounted on lower end of lower section. Telescopic joint of column upper and lower sections is splined. EFFECT: higher efficiency of column sinking owing to reduced energy losses, increased rate of mounting and platform stabilization with simplified equipment, reduced labor input and cost of process with higher process reliability. 5 cl, 3 dwg
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