• For controlled, optimum upward jarring during the retrieval of downhole items


  • Available in industry standard toolstring sizes
  • Harmonised hydraulic and mechanical functions improving reliability in oil and gas wells
  • 200, 500 and 1000 grade silicone oil available to control jar release time in varied well temperatures
  • Unique inverted jar design for improved debris tolerance
  • Balance piston chamber to limit well pressure effects
  • Simplistic, ergonomic design for rapid redress
  • “J” Slot feature for simple and safe jar rod release at surface
  • Connection options to suit customer requirements
  • Simple, robust design ensuring ease of operation for the end user
  • Selected components QPQ treated
  • Hexagonal flats for safe make-up & break-out