Valve Closure Timing, Electro-Hydraulic Control SystemĬlose within 45 seconds after sensor activationĬlose one or more valves within 2 minutes and 45 seconds after sensor activation. Welding and burning practices and procedures. Time delays on pressure safety low (PSL) sensors. Temporary quarters and temporary equipment. Pressure vessels (including heat exchangers) and fired vessels.įloating production units equipped with turrets and turret-mounted systems. What are the maximum allowable valve closure times and hydraulic bleeding requirements for a direct-hydraulic control system?ĭesign, installation, and maintenance-general.Īpproval of safety systems design and installation features.Īdditional Production System Requirements What are the maximum allowable valve closure times and hydraulic bleeding requirements for an electro-hydraulic control system? Specification for all boarding shutdown valves (BSDVs) associated with subsea systems.Įmergency action and safety system shutdown-subsea trees. Specification for underwater safety valves (USVs). Subsurface safety devices in injection wells-subsea trees.Īlteration or disconnection of subsea pipeline or umbilical.Īdditional safety equipment-subsea trees. Subsurface safety devices in shut-in wells-subsea trees. Subsea tree subsurface safety devices-general.ĭesign, installation, and operation of SSSVs-subsea trees. Subsea and Subsurface Safety Systems-Subsea Trees Specification for surface safety valves (SSVs).Įmergency action and safety system shutdown-dry trees. Temporary removal of subsurface safety devices for routine operations. Subsurface safety devices in injection wells-dry trees. Subsurface safety devices in shut-in wells-dry trees. Surface and Subsurface Safety Systems-Dry Treesĭry tree subsurface safety devices-general.ĭesign, installation, and operation of SSSVs-dry trees.
What SPPE failure reporting procedures must I follow?Īdditional requirements for subsurface safety valves (SSSVs) and related equipment installed in high pressure high temperature (HPHT) environments. Safety and pollution prevention equipment (SPPE) certification.
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