FULL HYDRAULIC DOUBLE ACTING JARS
The Full Double Acting Hydraulic Drilling Jar is a bi-directional drilling jar incorporating hydraulic delay without a latch mechanism. This jar will allow the operator to apply variable impact in both the up and down directions.
The Full Double Acting Hydraulic Drilling Jar is intended for use in highly deviated or high friction wells, where conditions may prevent applying sufficient force to release a mechanical latch.
The Full Double Acting Hydraulic Drilling Jar is intended for use in highly deviated or high friction wells, where conditions may prevent applying sufficient force to release a mechanical latch.
Features, Advantages and Benefits
The Full Double Acting Hydraulic Drilling Jar is hydraulically controlled and jars in both directions, with impact force controlled by the operator.
The Full Double Acting Hydraulic Drilling Jar operates via a simple up and down motion and is unaffected by right- or left-hand torque.
Impact force is controlled by a metering device that ensures consistent delay times over the full range of operating temperatures.
External sealing surfaces are tungsten carbide-coated to enhance wear and corrosion resistance.
Standard seals are effective up to 250°F (120°C). The jar can be dressed with seals effective to 400°F (200°C) for hot hole environments. The jar can be dressed with seals effective to 450°F (230°C) for extreme environments.
The Full Double Acting Hydraulic Drilling Jar operates via a simple up and down motion and is unaffected by right- or left-hand torque.
Impact force is controlled by a metering device that ensures consistent delay times over the full range of operating temperatures.
External sealing surfaces are tungsten carbide-coated to enhance wear and corrosion resistance.
Standard seals are effective up to 250°F (120°C). The jar can be dressed with seals effective to 400°F (200°C) for hot hole environments. The jar can be dressed with seals effective to 450°F (230°C) for extreme environments.
Technical Specification
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