Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
January 31, 2023
0Patent Application Number
170737460
Date Filed
October 19, 2020
0Patent Citations
Patent Primary Examiner
An apparatus for controlling bottomhole pressure in a wellbore during cementing includes a sensor positionable to measure pressure in the bottomhole of the wellbore, a controllable valve, and a controller. The controller may be positionable to receive pressure measurements from the sensor and control the controllable valve to maintain a specified pressure in the wellbore based on the pressure measurements. The apparatus may be positionable in a bottomhole portion of the wellbore.
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