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RL-4

RL-4

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The RL-4 is a legacy Baker Hughes product with extensive field history dating back to the 1980s. It is family of large OD, internally shouldering conductor casing connectors with sizes ranging from 30 - 36" OD. The RL-4 is driveable, with 4-start threads that provide make-up with only 1/4 to 1/2 turn.

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RL-4 Connectors greatly reduce rig time to run conductor casing strings by providing quick stabbing and make-up. RL-4 connectors are available in sizes and styles for drilling and driving in a variety of applications.

The RL-4 connectors feature self-locking 4-start threads, which provide make-up with only 1/4 to 1/2 turn of the suspended joint.

The RL-4 connector is available in 30-36" sizes and is available with an integral secondary anti-rotation device. The anti-rotation lock is set by a portable, handheld tool. Each anti-rotation tab provides approximately 400 ft-lb resistive torque per inch of nominal pipe diameter.

Accessory equipment used in driven RL-4 conductor strings include a threadless drive sub, a remote release extension tool and a torque tool releasable RL-4 for direct torque release at the mudline.

Features and Benefits
  • Rapid make-up
  • Integral Anti-Rotation
  • Driveable
  • Applications
    • High Bending
    • High Internal Pressure
    • High Tensile Strength
    • Driveable
    • Deep Water
    • Platform/Jack-up
    • Popular resources