The new threaded pipe joint for pilot drilling at pipelining

Authors: A.V. Shadrina, L.A. Saruev, A.L. Saruev (Tomsk Polytechnic University)
The new construction of drill pipe sleeve connection is developed. Introduced pipe joint is efficiently at a rotary-percussion pilot drilling for pipelining in upland. Absence of a stress raiser is advantage of this type of pipe connection.
The new construction of drill pipe sleeve connection is developed. Introduced pipe joint is efficiently at a rotary-percussion pilot drilling for pipelining in upland. Absence of a stress raiser is advantage of this type of pipe connection.


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