Well workover technical service

GWDC provides comprehensive workover and well intervention services for oil and gas wells worldwide. With over 20 years of experience and more than 10,000 completed workover jobs, the company serves major operators including BP in regions such as China, the Middle East, and Africa. The service portfolio covers the entire workover cycle: Overhaul process design and scheme optimization Well testing and oil/gas testing services Fishing operations and complex well problem solving Production string replacement and repair Casing damage repair and treatment Integrated turnkey workover & completion services Stimulation operations: layer change, injection/production conversion, plug removal, fracturing, acidizing Horizontal & lateral well workover and production restoration Slim hole and high-pressure/high-sulfur well interventions Tooth-mark-free tubing service Abandoned well closure GWDC employs electric drive workover equipment (stronger and more environmentally friendly) as well as hybrid electric-diesel drive systems, enabling efficient operations in deep wells (≥5,000 m), high-pressure environments, and wells with high H₂S content.