FIELD: well drilling technology.
SUBSTANCE: construction has orderly placed on drilling column chisel, localizers, face engine and hardened drilling pipe. Construction is provided with driving eccentric working pair consisting of body, in which a screw element is placed, which is rigidly connected to drilling pipes column. On both ends of body subs are placed with packing gland compactions. On outer surface of body and subs ribs are placed mounted at an angle to construction axis.
EFFECT: precision of wells driving with use of long-dimensional flexible pipes.
2 dwg, 1 ex
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