Drilling and Production Riser System for TLP & Spar

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Tension Leg Platforms (TLPs) and Spars are floating production platforms that serve as hosts for the production of subsea wells. Dril-Quip offers components and systems for the entire drilling and production riser strings used for these applications.

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Drilling Riser

Dril-Quip offers a complete riser system for drilling operations conducted from floating production platforms. A key element of the system is the FRC riser joint connector. This, along with appropriately sized riser piping, form the basis of an outer barrier riser between the subsea wellhead and the drilling spool on the floating production platform to connect to the BOP Stack and maintain pressure control during drilling operations.

Dril-Quip’s FRC Flanged Riser Connectors are preloaded connections suitable for use in TLP or Spar high-pressure drilling riser applications. Forged heavy-duty bolts are used to make up each connection and incorporate rings to retain the bolts in the "up" position during handling. A metal-to-metal sealing ring gasket provides a gas-tight connection.

Dril-Quip’s FRC™ Marine Drilling Riser Connector combines high coupling strength with ease of operations and meets the stringent durability requirements of today’s deepwater and ultra deepwater drilling operations.

Special hydraulic wrenches ensure fast make-up and accurate preloading of the flange connectors. This quick-running, high-strength coupling is designed for easy maintenance with field replacement of most of its components. This rugged, reliable riser connector delivers maximum uptime.

Features:

  • Easy operation
  • Includes syntactic foam buoyancy for lighter riser string
  • Includes telescopic joint, tensioning joint and diverter joint
  • Available with Dril-Quip’s FRC™ or HFRe™ Riser Connectors
  • Designed to accommodate inner tie-back strings if required
  • Includes tensioning joint, telescopic joint, surface joint as required
  • Includes all the required accessory equipment to run, install and retrieve
  • Field-proven performance

Dry Tree Production Riser

Dril-Quip’s PR-80™ and PR-85™ and OPT ZF2005 and NF2000 Riser Connectors, along with its subsea wellhead system, wellhead tie-back connector and the radial bolt connector equipped surface wellhead system and production tree product lines, have enabled Dril-Quip to offer the entire production riser string for Spar and TLP Floating Production vessels. The PR-80 and PR-85 and the OPT ZF2005 forged, weld-on threaded connectors have the strength to resist high fatigue seen toward the upper and lower ends of production riser systems. The OPT NF2000 integral threaded connector is unequaled for its high strength fatigue-resistant, economical design for middle-distance riser joints connections that are not as highly stressed.

  • Uses Dril-Quip’s high fatigue life PR-80, PR-85 and/or OPT ZF2005 Riser Connectors
  • Uses OPT NF2000 integral threaded connectors in lower fatigue Riser Connections
  • Incorporates Dril-Quip’s Riser Tensioning System and is compatible with any industry standard tensioning system
  • Can be designed to include passive buoyancy and/or strakes to minimize vortex induced vibration, if required
  • Uses Dril-Quip’s high-strength DX or DXe™ Tie-Back Connector and integral tapered stress joint to connect at the subsea wellhead interface
  • Stress joint is engineered to resist bending and tension loads in critical stress areas and provide “life of field” fatigue life
  • Unique keel joint and transition joints to accommodate point loading at Spar keel (Spar only requirement)
  • Includes tensioning joint, surface joint and telescopic joint (Spar only) as required
  • Incorporates riser performance instrumentation joint if required
  • Includes all the required accessory equipment to run, install and operate the riser system
  • Field-proven performance

Dril-Quip offers complete drilling and production riser systems available with universal riser spider and tensioning system to deploy and operate all production and drilling riser joints.

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