Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Mark May0
Date of Patent
April 30, 2024
0Patent Application Number
178724420
Date Filed
July 25, 2022
0Patent Citations
Patent Primary Examiner
CPC Code
Patent abstract
A downhole intelligent Circulating Sub controller detects the difference between rotary drilling and sliding drilling, responds appropriately and quickly to multiple changes between rotary drilling and sliding drilling that may occur several times each stand of pipe. Additional controls prevent actuation of the Circulating Sub at inappropriate times. In one embodiment, a separate modular control sub is disclosed that may be utilized with and/or removably secured to a Circulating Sub and/or other types of downhole tools.
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