PolyVolve HAMMER

Vibro-impacting drillstring swivel system

PolyVolve HAMMER is the world’s strongest and most durable swivel with the added dynamic benefit of vibro-impacting friction reducing deployment effort from a HydroVolve INFINITY module. It’s patented stackable polymer design allows an unlimited number of bearing modules to be added to effectively give unlimited load bearing and durability capabilities.

Inclusion of PolyVolve HAMMER in the drill string above the liner or casing to be deployed allows dynamic rotation to mitigate the negative effects of static friction and can significantly improve deployment capability with the added benefit of delivering precise, controllable vibration and axial deployment force directly into the deployed liner or casing. This provides operators with total assurance of the speedy, accurate and safe placement of their wellbore systems and allows for longer more complex wells to be planned with confidence and executed safely.

PolyVolve HAMMER is recommended for use in any application where system deployment may be encumbered or hampered by excessive friction due to well conditions or wellbore geometry. It is ideally suited to assist deployment of liners and sand-face completions, TCPs, casing, Perf and Wash systems, and wellbore clean-up systems.

  • Reduced static friction from rotation gives better weight transfer for speedy deployment
  • Added deployment capability with intense friction reducing vibration
  • Enhanced deployment capability with rapid axial driving impact
  • Patented, stackable, polymer design
  • Extreme durability and load capability
  • Safe, controlled & accurate deployment
  • Increased operational success

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Technical Features

Premium Connection Sub

PolyVolve HAMMER can be dressed with any standard or premium threaded connection, removing the need for cross-overs.

Up-Swivel PolyVolve Module

The Up-Swivel PolyVolve module allows high tension forces to be applied to the device whilst allowing rotation.

PolyVolve is a modular, stackable, polymeric thrust bearing swivel capable of withstanding ultra-high thrust forces whilst rotating for extended periods in extremely hostile conditions.

PolyVolve delivers a proven and unrivalled thrust load bearing capability, is impervious to wellbore fluids and debris and can operate comfortably at high temperatures.

Secondary Lock Module

This is the secondary or contingency system for rotationally locking the mandrel of the swivel in the splined position to allow tool manipulation such as releasing from a liner hanger system.

Drive Spline Module

A precision high-torque drive spline provides the torsional drive force required for manipulation of deployment tools as and when required. The drive spline is disengaged in the swivel modes.

Primary Lock Module

The primary lock module provides a system for rotationally locking the mandrel of the swivel in the splined position to allow tool manipulation such as releasing from a liner hanger system. This is pressure activated. A low pressure threshold temporarily locks the mandrel in the splined position which can then be released with the relief of the pressure. An elevated pressure threshold permanently locks the mandrel in the splined position.

HAMMER Transmission module

This system provides torque transmission through the lower PolyVolve modules to allow coupling of an INFINITY engine to provide HAMMER vibro-impact deployment hammer capability.

Down-Swivel PolyVolve Module

The Down-Swivel PolyVolve module allows high compression forces to be applied to the device whilst allowing rotation.

PolyVolve is a modular, stackable, polymeric thrust bearing swivel capable of withstanding ultra-high thrust forces whilst rotating for extended periods in extremely hostile conditions.

PolyVolve delivers a proven and unrivalled thrust load bearing capability, is impervious to wellbore fluids and debris and can operate comfortably at high temperatures.

HAMMER Module

A HAMMER vibro-impact module fitted to the lower end of a PolyVolve SWIVEL DS to provide superior deployment capability by delivering precise, controllable friction-reducing downward acting vibrational and axial impacting forces.

Premium Connection Sub

PolyVolve HAMMER can be dressed with any standard or premium threaded connection, removing the need for cross-overs.