Definition(s)
BOP Stack
Blowout preventer stack.
Source: API Specification 16A, Specification for Drill-through Equipment, Fourth Edition, April 2017. Global Standards
BOP Stack
Assembly of well control equipment including BOPs, spools, valves, hydraulic connectors and nipples that connects to the subsea wellhead or to the surface wellhead on top of a high pressure drilling riser.
Source: API Standard 2RD, Dynamic Risers for Floating Production Systems, Second Edition, September 2013. Global Standards
BOP Stack
An assembly of well control equipment including BOP’S, spook, valves, hydraulic connectors, and nipples that connects to the subsea wellhead. Common usage of this term sometimes inlcludes the Lower Marine Riser Package (LMRP).
Source: API RP 16Q, Recommended Practice for Design, Selection, Operation and Maintenance of Marine Drilling Riser Systems, First Edition, November 1993 (Reaffirmed August 2001). Global Standards
BOP Stack
Assembly of well control equipment including BOPs, spools, valves, hydraulic connectors, and nipples that connect to the subsea wellhead. NOTE As commonly used, this term sometimes includes the LMRP.
Source: API RP 17G, Recommended Practice for Completion/Workover Risers, Second Edition, July 2006 (Reaffirmed April 2011). Global Standards
BOP Stack
BOPs assembled as a unit, including all attachments.
Source: API SPEC 7K, Drilling and Well Servicing Equipment Upstream Segment, Fifth Edition, June 2010 (August 2010). Global Standards
Source:API SPECIFICATION 7K, Drilling and Well Servicing Equipment, Sixth Edition, December 2015. Global Standards
BOP Stack
The assembly of well control equipment including BOPs, spools, valves, and nipples connected to the top of the casing head.
Source: API SPEC 16D, Specification for Control Systems for Drilling Well Control Equipment and Control Systems for Diverter Equipment, Upstream Segment, Second Edition, July 2004. Global Standards
BOP Stack
Assembly of well-control equipment, including BOPs, spools, valves, hydraulic connectors and nipples, that connects to the subsea wellhead. NOTE Common usage of this term sometimes includes the lower marine riser package (LMRP).
Source: ISO 13624-1:2009, Petroleum and natural gas industries – Drilling and production equipment – Part 1:Design and operation of marine drilling riser equipment. Global Standards