8. #Standard_Accelerator is used in conjunction with hydraulic or #spring_jars when jarring at shallow depths.

The #Wireline_Accelerator assemble is run just below the #rope_socket of the #toolstring.

Upward tension on the wireline compresses the springs within the accelerator, storing energy.

When the #jar fires, the stored energy is released, increasing the impact of the jar at the fish.

8.2 Heavy Duty Accelerator