Attachment Document Blowout Preventer Control System Reliability Primarily Focused on Subplate Mounted (SPM) Valves (2.14 MB) Document Type Research Reports Issued Date Tuesday, December 12, 2017 - 5:00am Publication Date Sunday, January 1, 2017 - 12:00pm Date for required review Tuesday, December 12, 2017 - 12:00pm
