
Vsp Drilling Roller Reamer for Downhole Fishing Operations. 2-Year Warranty Coverage: Comprehensive 2-year warranty for mechanical defects and parts. ISO 9001:2000 Certified: Manufacturing process certified to international quality standards. Pressure Compensated Seals: Bullet seal and bearing assembly reduce downhole torque effectively. Wedge-Style Cutter Retention: Prevents lost cutter incidents and ensures high load durability. Extended Reach Capability: Enables stable drilling in complex extended-reach wellbore geometries. Improved Rate of Penetration: Minimizes stick/slip to improve energy transfer and ROP. Hydraulic Variable Diameter: KY type allows adjustable reaming size via mud pump control. Drilling and Opening in One Trip: Realizes efficient process of hole enlargement during drilling.