
Bq Nq Hq Pq Wireline Drilling Ezy Lock Core Barrel Overshot. High Core Recovery Ratio: Designed for high penetration rate and superior core recovery in wireline drilling operations. Strong Magnetic Attraction: Features strong magnetic field and attractive force to retrieve pro-magnetic objects from the hole. Immediate Stock Availability: Large inventory ensures products can be shipped out immediately according to requirements. Comprehensive Size Options: Available in BQ, NQ, HQ, PQ, and Chinese standard series for various aperture grades. Global Export Experience: Exported to over 80 countries with professional technical support in English and Spanish. Proven Quality Record: Maintains a 'No rod breakage' record with zero major quality complaints for over 37 years. ISO 9001 Certified: Manufactured with ISO certification and advanced CNC equipment for reliable quality. Customization Support: Offers customized solutions for geological formations, logos, and packaging.