Emergency Shutdown System (ESD)

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ESD system / well control panel with a minimum of two remote control stations are recommended for all well test operations. They are designed to pneumatically control a Master SSV, a Wing SSV, to hudraulically control a SCSSV and to generate an emergecy shutdown signal. The remote stations are to be located at the separator and in an area removed from all pressurized equipment on an escape route. During testing operations, the shutdown system controls the hydraulically operated flowline valve on the Surface Test Tree and permits manual or remote closure in response to a pipe leak or break, equipment malfunction, fire, or similar emergency. The ESD system is also used to reopen the valve and, if needed, can control an additional surface safety valve upstream of the choke. Pressure from the system’s air-driven hydraulic pump is applied to open the valves and released to close them. Applications •All well test operations •H2S environments and when wellhead pressures are greater than 34 MPa [5,000 psi] Features •Operation Area: Class 1 Div. 1, Groups C and D. •Operation Temperature: -10°F to 120°F (-23 to 48.8 °C) •Material: Stainless Steel •Air Supply: clean and dry air or natural gas with a pressure of 100 to 200 PSI. •Hydraulic Circuit Working Pressure: 6,000 psi, 10,000 psi working pressure available upon request. •Hydraulic Tank: 5 gallons. •Storage space for remote emergency shutdown (ESD) stations and three hose reels •Ports for additional or optional pilots

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ShangHai Sunry Petroleum Equipment Co., Ltd

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