Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ashish Prafulla Khaparde0
Krunal Kanubhai Mehta0
Ragi Lohidakshan Poyyara0
Date of Patent
December 6, 2016
0Patent Application Number
143824360
Date Filed
November 22, 2013
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A shock tool for a drill string includes an outer tubular housing having female multi-spiral helical spline grooves disposed on an interior surface of the housing, and an inner tubular mandrel having a portion of an exterior circumferential surface with mating male multi-spiral helical splines. The inner tubular mandrel is telescopically and rotationally received in the outer tubular housing with the male splines received in the female spline grooves of the housing.
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