Hydraulic Jars

Global Dynamics is distributor of reliable Bi-Directional Hydraulic Jars. They have a large through bore to allow for ball activated tools to be run below it. The Hydraulic Jar’s Bi-directional design allows it to strike upward, downward, or both. GDI’s shorter, compact design makes it ideal for milling, drilling, and fishing in vertical and horizontal applications. The anti-rotation section of our Hydraulic Jar gives it high torsional & high tensile ratings for heavy duty operations.  The Hydraulic Jar’s seals also permit its use in hot hole applications.

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Features & Benefits

  • Bi-directional
  • H2S tolerant
  • High temperature tolerance available
  • Full through bore
  • High torque & tensile ratings
  • High impact
  • Shorter, compact design
  • Available in 1.6875” (42.9mm), 2.125” (54mm), 2.875” (73mm) and 3.125” (79.4mm) sizes
Jar OD (in) 2 1/82 7/8
Jar ID (in)  5/81
Connection 1 1/2” AMMT2 3/8" PAC
Overall Length - Closed (in) 56.4957.49
Total Stroke (in)  7.07.0
Maximum Overpull (lb) 39,500 63,000
Maximum Overpush (lb) 18,000 63,000
Max. Lift after Jarring (lb)  95,000189,000
Torsional Yield (ft-lb) 9202,325