Core Insights - China National Petroleum Corporation (CNPC) has developed key corrosion control technologies for high-sulfur gas fields, achieving breakthroughs in independent intellectual property rights [1] - The new technology addresses the challenges of element sulfur deposition in pipelines, which can lead to blockages, and has resulted in a predictive management system with over 90% accuracy [1] - The team has also successfully localized the application of corrosion inhibitors, reducing costs and usage by 50% compared to international counterparts [2] Group 1 - The technology developed by CNPC includes a predictive model for element sulfur deposition, which improves prediction accuracy and location determination [1] - The corrosion control technology has been fully localized, supporting the scientific production and safe operation of key gas fields such as Luojiazai, Tieshanpo, and Dukouhe [1] - The corrosion control rate achieved is below 0.076 mm/year, indicating significant advancements in managing corrosion in high-sulfur environments [2] Group 2 - The team has created a material selection chart specifically for high-sulfur gas fields, addressing the challenges posed by hydrogen sulfide and element sulfur coexistence [1] - The application of pre-film and continuous injection of corrosion inhibitors has been fully realized domestically for the first time [2] - The development of related patents around these core technologies is underway, further strengthening CNPC's position in the industry [1]