Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Dillon Cayer0
Date of Patent
January 7, 2020
Patent Application Number
15961169
Date Filed
April 24, 2018
Patent Citations Received
Patent Primary Examiner
Patent abstract
A portable lifting device is provided for adjusting pump spacing of a production well. The lifting device rests directly on a well head flange and provides an expansive force between the flange and a temporary polish rod clamp or collet device is attached to a polished rod extending into the well head. The device includes first and second hydraulic cylinders for simultaneously lifting the polished rod to provide a gap between a carrier bar and a polished rod clamp.
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