Highest-Impact Force Reliably Delivered
The Hydra-Jar AP double-acting hydraulic drilling jar enables the driller to jar up or down and vary impact force to free stuck drillstring components, minimizing NPT and avoiding sidetracking. And, when run with the Accelerator AP impact tool, the Hydra-Jar AP drilling jar delivers up to 1 million pounds of impact force—while protecting the drillstring and surface equipment from shock.
Rugged jar design ensures consistent impact
The Hydra-Jar AP is balanced to hydrostatic pressure through ports open to the wellbore, ensuring consistent hitting performance regardless of changes in downhole pressure or temperature. This hitting performance is further enhanced by the jar’s detent system: it enables the jar to load and fire consistently in a broad range of downhole conditions.
The Hydra-Jar AP drilling jar’s proven performance in high-temperature applications worldwide has established it as a best-in-class HT technology, which includes products and services for directional drilling and MLWD operations.
Reliable jarring in all environments with BHA compatibility
The Hydra-Jar AP drilling jar is suitable for every drilling environment: land or offshore, vertical or deviated wells, and ultradeep or ultrahot boreholes. And, because the jar works without applied torque, directional drilling tools maintain their orientation throughout the jarring operation.
Flexible and simple jarring operation
The Hydra-Jar AP drilling jar may be run in compression or tension, enabling optimized placement in the drillstring. The jar makes up, racks, and handles like a standard-length drillpipe, reducing trip time.
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