US 11,982,143 B2
Communicating with blowout preventer control system
Eric Ducamin, Katy, TX (US); and Joergen Kringen Johnsen, Kristiansand (NO)
Assigned to SCHLUMBERGER TECHNOLOGY CORPORATION, Sugar Land, TX (US)
Filed by Schlumberger Technology Corporation, Sugar Land, TX (US)
Filed on Mar. 2, 2022, as Appl. No. 17/653,228.
Claims priority of provisional application 63/155,438, filed on Mar. 2, 2021.
Prior Publication US 2022/0282587 A1, Sep. 8, 2022
Int. Cl. E21B 21/08 (2006.01); E21B 33/06 (2006.01); E21B 47/06 (2012.01)
CPC E21B 21/08 (2013.01) [E21B 33/061 (2013.01); E21B 47/06 (2013.01)] 20 Claims
OG exemplary drawing
 
14. A system comprising:
a blowout preventer (BOP) control system for controlling BOP equipment at a wellsite that comprises a wellbore, wherein the BOP control system comprises a sensor operable to output BOP data indicative of operational status of the BOP equipment, wherein the BOP equipment comprises an annular preventer; and
a health monitoring system communicatively connected with the BOP control system, wherein the health monitoring system:
records the BOP data to a memory;
determines operational health of the BOP equipment based on the BOP data; and
determines operational health of the annular preventer based on a determined drill string length conveyed within the wellbore while the annular preventer is closed.