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Shutdown Chart for Well Control Panels

Response Action
Remote ESD Fusible Plugs High Pilot Low Pilot Manual WV at Panel Manual MV at Panel Manual SCSSV at Panel
Close WV
Close MV    
Close SCSSV      
Shutdowns can be changed to meet customer requirements

Notes:

  1. Customers should specify the number and type of surface safety valves (wing, master, or both) and pneumatic or hydraulic.
  2. If NACE service is required, customer should specify.
  3. Typical delivery is only four to six weeks upon receipt of purchase order.
  4. All safety system accessories: pressure pilots, ESD stations, fusible plugs, gas scrubbers and installation kits are available.
© 2008 Weatherford International Ltd.