Definition(s)
Closure Bolting
Bolting used to assemble or join wellbore pressure-containing parts, including end and outlet connections.
- NOTE: Examples of closure bolting include flange bolting, bonnet bolting, end connection bolting on BOPs, ram door bolting, and hub clamp bolting.
Source: API Specification 16A, Specification for Drill-through Equipment, Fourth Edition, April 2017. Global Standards
Closure Bolting
Bolting used to assemble or join wellbore pressure-containing parts including end and outlet connections.
- NOTE: Examples: flange bolting, bonnet bolting, bolting on end connection on BOPs, ram door bolting, hub clamp bolting.
Source: API STANDARD 16AR, Standard for Repair and Remanufacture of Drill-through Equipment, First Edition, April 2017. Global Standards
Closure Bolting
Threaded fastener used to assemble well-bore pressure-containing parts or join end or outlet connections.
- EXAMPLES Studs, nuts, bolts and capscrews.
Source: API SPEC 6A, Specification for Wellhead and Christmas Tree Equipment, Twentieth Edition, October 2010 (Addendum November 2012). Global Standards