Riser Connectors

HPDR Riser SystemOil States has the experience and capacity to supply a range of riser connectors including: marine drilling riser, high-pressure drilling riser, intervention and completion riser and water uptake riser. With the world’s deepest drilling riser in operation at 8,000 feet, Oil States is the best choice for great service at a reasonable cost on your project schedule.

Sales Contacts

United States
Email +1 713 510 2200

United Kingdom
Email +44 (0)1224 290 000

Singapore
Email +65 6773 7555

Brazil
Email +55 21 3503 2400

Middle East
Email +971 4 452 8482

Africa
Email +234 1 2718363



Merlin™ Connector

Key Features

  • Over 40,000 Merlin™ connectors supplied, installed and in service today.
  • Extensively tested including pressure, bending, tension and fatigue.
  • Exceptional fatigue characteristics.
  • 100% dimensionally checked as standard.
  • Available in 6.625″ to 72″ for a variety of applications.

Applications

  • TLP tether connectors
  • High-pressure drilling riser connections
  • FLNG water uptake riser connections
  • Casing and conductor applications
  • High-pressure workover/completion riser connections

Services

  • Inspection
  • Maintenance
  • Life-cyle management
  • Fatigue monitoring
  • Bespoke sizing
  • Physical testing

OR-6 Connector

Key Features

  • Dog-type connection.
  • Fully preloaded, increasing resistance to high tension and  bending loads.
  • Field proven.
  • Fast, safe, non-rotational makeup. Low makeup torque.
  • Can be fitted with buoyancy if required.

Applications

  • Marine drilling riser
  • Conduit from rig to BOP stack

Services

  • Engineering
  • Maintenance
  • Inspection
  • Recertification

OR-21 Connector

Key Features

  • Lock-ring connection.
  • Fully preloaded.
  • Safe, reliable, non-rotational connection.
  • Quicker to operate than most conventional systems.
  • Qualified to API16R.

Applications

  • Marine drilling riser
  • Conduit from rig to BOP stack

Services

  • Engineering
  • Maintenance
  • Inspection
  • Recertification

OMR-M Connector

Key Features

  • Utilizes an Oil States patented, non-integral Merlin™ connector.
  • Suitable for 10,000-foot plus water depth.
  • Excellent fatigue properties.

Applications

  • Marine drilling riser
  • Conduit from rig to BOP stack

Services

  • Engineering
  • Maintenance
  • Inspection
  • Recertification

OR-F Connector

Key Features

  • Suitable for deepwater applications up to 12,000 feet combined with high loadings.
  • Meets API 16R ratings.
  • All parts retained within connector to prevent possible damage and loss.
  • Excellent fatigue life due to high bolt preload.
  • Choke and kill lines and nose ring are field replaceable.

Applications

  • Marine drilling riser
  • Conduit from rig to BOP stack