The maximum pull required to trip the hydraulic jar is the specific force applied to activate its impact mechanism. Exceeding this limit may fatigue the impact mandrel and compromise tool integrity over time.

The tensile limit represents the absolute maximum pull the jar can withstand. While this limit can be applied during jarring operations, repeated use accelerates fatigue and reduces the tool's operational lifespan.

The jar's temporary resistance is generated by an advanced hydraulic time-delay mechanism. Release occurs when the internal metering sleeve moves into the bypass section, allowing hydraulic oil to rapidly bypass. Time delay varies with pull weight - lighter pulls require longer delays than harder pulls.

When downhole tools become stuck, applying steady pull creates upward impact forces. The jar can be reset by setting down the string, enabling repeated jarring cycles as needed.

Techcore Oil Tools brings over ten years of specialized experience in manufacturing drill stem testing equipment. Our dedicated R&D department continuously advances DST tool technology for enhanced well testing performance.

Our comprehensive DST tool string portfolio includes RTTS packers, circulating valves, safety joints, select tester valves, omni valves, hydraulic jars, shock absorbers, RD safety circulating valves, high pressure retrievable packers with bypass, IPO valves, and tubing string test valves.

We provide meticulous attention to technical specifications and rapid response to client requirements. Contact us for detailed information about our oil tool solutions and manufacturing capabilities.