Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Mark B. Nichols0
Date of Patent
January 12, 2021
0Patent Application Number
162204550
Date Filed
December 14, 2018
0Patent Primary Examiner
Patent abstract
A downhole communication valve containing a piston and chamber which allows hydrostatic testing of a casing or tubing string multiple times before permanently opening communication ports to the exterior.
Timeline
No Timeline data yet.
Further Resources
No Further Resources data yet.
