XFR Pulling tool

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XFR Pulling tool

XFR Pulling tool

The WellEnTech eXternal Flow-Release (XFR) Pulling Tool is a device for locating, engaging and retrieving tools with standard external fishing necks. The Grapple can be functioned either mechanically or hydraulically in order to engage the fish and a strong spring ensures the Grapple is fully supported when located on the fish. Flow through the tool and a pull load disengages the tool from the fish.

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Description

Features
  • Flow activated
  • Enclosed Spring design
  • Multi-function operation
  • Fully adjustable activation pressure
  • Easily redressed
  • Compact and rugged design
  • Interchangeable Grapples
Applications
  • Standard fishing operations
  • Heavy duty fishing operations
  • Jetting and pick up operations
Operation

To mechanically function the tool, an axial downward load (in excess of the spring force) enables the Grapple to automatically engage the fish. The Spring then pushes the Grapple back to the supported position and an applied axial load causes the Grapple to become supported by the Main Body. This over pull will verify engagement with the fish.

To release, fluid flow through a Nozzle fitted to the nose of the stem creates an internal pressure which pumps the Grapple back to the de-supported position enabling the Grapple to be pulled free from the fish. The pressure at which activation occurs is adjusted by simply changing out the Nozzle orifice dia.

 

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