Operation that can change or affect the mechanical properties, including toughness, of the materials used in equipment.
Source: API SPEC 7K, Drilling and Well Servicing Equipment Upstream Segment, Fifth Edition, June 2010 (August 2010). Global Standards
The load exerted on the BOP handling system by the static weight of the BOP stack.
Source:API SPECIFICATION 7K, Drilling and Well Servicing Equipment, Sixth Edition, December 2015. Global Standards