Recently, the oil (casing) service team of the casing technology service center of Zhongyuan Petroleum Engineering Company, a subsidiary of Sinopec Petroleum Engineering Company, successfully passed the strict audit of the Oilfield Exploration and Development Division of China Petroleum&Chemical Corporation with excellent technical strength and service quality, and obtained the Class A qualification for casing technology service, becoming the only team in the Sinopec system to obtain this qualification.

Since the beginning of this year, the company has been closely focusing on the main line of "quality assurance and safety, service efficiency, innovation and development", continuously deepening the service concept of "ensuring drilling is the tool of storage", and striving to build a professional team. Equipped with 6 sets of top drive rotating casing equipment, more than 100 sets of hydraulic casing pliers, non tooth mark hydraulic pliers and other equipment, it can meet the routine operation requirements of oil and casing with various specifications, sizes and buckle types from 2 inches to 7 inches. It also has strong processing capabilities for special operations such as thin section hoops and non section hoop casings. At the same time, we have also mastered advanced construction techniques for seamless alloy oil casing and top drive rotating casing, becoming the strongest specialized casing team in Sinopec's internal technical strength.

At present, the company's service scope covers multiple important regions such as Southwest China, Central Plains, and Xinjiang, providing strong professional technical service support for 88 drilling teams. From January to the end of September this year, a total of 442 wells have been completed, with a construction quality pass rate of 100%.