VBR

Variable-bore ram.

Source: API Specification 16A, Specification for Drill-through Equipment, Fourth Edition, April 2017. Global Standards

Source: API STANDARD 16AR, Standard for Repair and Remanufacture of Drill-through Equipment, First Edition, April 2017. Global Standards

Source: API SPEC 16A, Specification for Drill-through Equipment, Third Edition, June 2004 (Errata/Supplement November 2004). Global Standards

Source: API STD 53, Blowout Prevention Equipment Systems for Drilling Wells, Upstream Segment, Fourth Edition, November 2012. Global Standards

Source: Deepwater Well Control Guidelines. IADC Guidelines

Source: Oil & Gas UK, Guidelines on subsea BOP systems, Issue 1, July 2012, Global Standards

Closing and sealing component in a ram BOP that is capable of sealing on a range of tubular sizes.

Source: API STANDARD 16AR, Standard for Repair and Remanufacture of Drill-through Equipment, First Edition, April 2017. Global Standards

Closing and sealing component in a ram blowout preventer that is capable of sealing on a range of tubular sizes.

Source: API Specification 16A, Specification for Drill-through Equipment, Fourth Edition, April 2017. Global Standards

Glossary