Maintain the drilling riser string in tension on floating vessels

Cameron wireline riser tensioners are available in three versions—160,000-lbf, 200,000-lbf, and 250,000-lbf double-wire rope tensioners. Their design includes idler sheaves, wire, rotating deadline drum, valve block skids, air pressure vessels (APVs), control system, antirecoil, and optional air compressors.

Specifications

• Compact and robust design
• Easy maintenance at defined points
• Hydraulically driven deadline drum for simplified wire replacement
• Manifold valve blocks to reduce the amount of piping and number of leakage points
• Antirecoil valve with flow shutoff function for safer normal and disconnect operations
• Tensioner cylinder rod coating for harsh marine environment
• High degree of redundancy in the system
• Redundant control system to ensure an efficient, safer, and smooth operation
• Separate filling and draining unit for easy and safer filling and draining of compensation fluid
• System operation from the drilling control room and a local operator panel in the moon pool area