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Same stringent testing used on its maximum reliability tubing-retrievable safety valves (TRSV) 

BigBore™ wireline-retrievable safety valves (WLRSV) offer the durability and reliability of Halliburton TRSVs through metal-to-metal (MTM) sealing of the contoured flapper, enhanced body connections, and debris isolation. The contoured flapper provides a large ID compared to other valve designs while providing enhanced flapper sealing.

Another significant feature of this valve is its ease of on-location servicing. The construction of the upper end of the valve provides easy access to the valve’s external packing. Once the lock is removed, the packing retainer sleeve can be removed and serviced. The savings made possible by an enlarged ID, enhanced performance, and ease of service have made it an excellent choice for replacing equipment currently installed in existing completions.

Applications

  • New completions
  • Replacement of existing WLRSVs to provide increased ID and reliability

Features

  • MTM sealing contoured flapper closure with large ID
  • High-strength rod-piston actuation 
  • Dual-sealing minimized body connections 
  • Enhanced debris isolation through MTM interface of flow tube/bottom sub
  • Radius of curvature at flow entrance
  • Equalizing feature available
  • Designed for easy field servicing
  • Setting depths to 9,000 ft (2743 m)

Benefits

  • MTM sealing for increased reliability
  • Helps increase durability and reliability from piston arrangement and minimized body connections
  • Increased reliability through debris isolation
  • Optimized flow entrance to decrease wear
  • Equalizing feature isolated from well solids to enhance durability
  • Ease of on-location servicing of external packing helps reduce downtime and operating costs 

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