Connection replacement for a drilling mud motor
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United States of America Patent
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Dec 20, 2016
Issued Date -
N/A
app pub date -
Apr 28, 2015
filing date -
Apr 28, 2015
priority date (Note) -
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Abstract
A method for reconditioning a rotary connection of a rotor on a drilling mud rotor. A new rotary connection is machined from a metal blank and is provided with an externally threaded pin end which is subsequently screwed into a mating female threaded opening provided on the rotor body. The new metal connection is welded to the rotor body at an intersection of the connection and selected end of the rotor body. The threaded end of the new connection is threaded a predetermined depth which is selected to bottom out at a selected depth within the mating female threaded opening provided on the rotor body prior to the welding step.
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