Torsion jars SHOCK TURN of new type

Authors: G.G. Ishbaev, S.Yu. Vagapov (Burintekh OOO)
The new technology of stuck equipment recovery on the base of use of new types of torsion jars SHOCK TURN is offered. By the example of calculations it is shown the advantages of torsion jars compared with the widely used jars, allowing strike or up or down

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