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Application of Laser Cladding Nickel Based Alloy in Anti Corrosion and Wear Resistance of Petroleum Drill Pipe Joints
Date:2025-12-04 13:58     Source:daokedao     Browse:17

Oil drill pipe couplings face dual challenges of mud slurry erosion and hydrogen sulfide corrosion during downhole operations. Traditional chrome plating processes are prone to coating detachment, with an average service life of only 3-6 months. Daokedaore Automation's laser cladding equipment specifically employs Ni60A nickel-based alloy powder to achieve uniform cladding on coupling threads and sealing surfaces. The cladding layer contains reinforcing elements such as chromium and boron, which not only far exceed the corrosion resistance of chrome plating but also improve wear resistance by 4 times. Third-party testing confirmed no corrosion traces after 1,000 hours of immersion in a 15% hydrogen sulfide environment. Application in a certain oilfield demonstrated that adopting this technology extended the service life of drill pipe couplings to 18-24 months, reducing single-well maintenance costs by 60%. The equipment's laser power closed-loop control technology ensures consistent cladding quality for batch couplings, achieving a 99.5% pass rate.

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