SS-15® Standard Subsea Wellhead System

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Dril-Quip’s SS-15 Subsea Wellhead Systems are rated for 15,000 psi working pressure, features a field-proven “weight-set” metal-to-metal annulus seal, and the “weight-set” technique to install and retrieve all components.





System Features:

  • Reliable, trouble-free operation¬; fewer trips required
  • Weight-set seal assemblies provide true dual metal-to-metal annulus seal
  • Seal assemblies and hangers designed for 15,000 psi working pressure, H2S service
  • Same seal assembly fits all hangers 13-3/8" and smaller
  • Seal assemblies automatically lock to casing hangers and lock casing hangers to the wellhead
  • Seal assemblies are retrieved by vertical pull¬—no rotation required
  • All casing hangers are automatically centralized in the wellhead
  • Large flow-by areas around casing hangers
  • High-pressure and high load capacity due to a unique single landing shoulder at the bottom of the 18-3/4" wellhead housing
  • High-bending load capacity between the conductor and 18-3/4" housing
  • BOP stack can be tested with nominal bore protector and wear bushings installed
  • Tubing hanger sealing area and lockdown profile standard
  • Threaded profile standard on all casing hangers for emergency situations
  • Pressure-balanced, fail-safe “in-place” annulus shut-off system available
  • The lower O.D. of the 18-3/4" wellhead has a reaction ring to transfer bending loads to the conductor wellhead
  • Available with a variety of supplemental casing hanger systems
  • ending loads to the conductor wellhead

  • Available with a variety of supplemental casing hanger systems

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