API Standard Qy Type High Temperature Hydraulic Drilling Jar

API Standard Qy Type High Temperature Hydraulic Drilling Jar. High Temperature Resistance: Features unique sealing structure and seal oil bath design for superior temperature resistance. Adjustable Shock Tonnage: Operating force can be controlled on ground and flexibly adjusted according to downhole conditions. Simple Structure: Easy operation with superior machine structure designed to improve maintainability. Stable Performance: Adopts new hydraulic delay release system for excellent reliability and wide adaptability. API Standard Compliance: Manufactured to API standards with ISO9001 and API Q1 certifications. Fast Recovery Function: Mandrel moves to middle position for jarring in either direction after upward or downward strokes. Optional Mechanical Locking: Optional mechanical locking module available to meet special user needs. Reduced Wear and Tear: Core mechanism uses seal oil bath design to extend the life of moving parts.