Definition(s)
Blind Ram
Closing and sealing component in a ram BOP that seals the open wellbore.
Source: API STANDARD 16AR, Standard for Repair and Remanufacture of Drill-through Equipment, First Edition, April 2017. Global Standards
Blind Ram
A closing and sealing component in a ram blowout preventer that seals the open wellbore.
Source: API STD 53, Blowout Prevention Equipment Systems for Drilling Wells, Upstream Segment, Fourth Edition, November 2012. Global Standards
Source: API RP 96, Deepwater Well Design and Construction, First Edition, March 2013. Global Standards
Blind Rams (blank, master)
Rams whose ends are not intended to seal against any drill pipe or casing. They seal against each other to effectively close the hole.
Source: API RP 59, Recommended Practice for Well Control Operations, Second Edition, May 2006. Global Standards
Blind Ram
Closing and sealing component in a ram blowout preventer that seals the open wellbore.
Source: API Specification 16A, Specification for Drill-through Equipment, Fourth Edition, April 2017. Global Standards
Source: API SPEC 16A, Specification for Drill-through Equipment, Third Edition, June 2004 (Errata/Supplement November 2004). Global Standards