Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Daniel Lee Schmidt0
Gary Joe Makowiecki0
Patrick Lyle Cherney0
Date of Patent
March 6, 2018
0Patent Application Number
150315690
Date Filed
December 23, 2014
0Patent Citations Received
Patent Primary Examiner
Patent abstract
In some embodiments, a subsurface wiping plug apparatus includes an internal bore that extends for less than a length of the apparatus. A ported case encloses internal components of the apparatus such that each port of the case is configured to couple the internal bore to an external side of the case. A plug capsule is coupled to an end of the ported case. The plug capsule contains an internal wiping plug that is releasable by internal pressure.
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