【Ten Years of Rapid Development in Chemical Processing Equipment】From 2880 to 2025: Capacity increased from zero to over 110 million cubic meters per day – Southwest Oil and Gas Field becomes China’s largest natural gas purification complex

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Let’s give praise and support to the achievements made in China’s chemical engineering technology and equipment; your participation in discussions is the greatest encouragement. **********************【Ten Years of Progress in Chemical Engineering Equipment】A continuously updated summary post – feel free to join the discussions: https://bbs.hcbbs.com/thread-3576046-1-1.html ***************** From scratch to a daily processing capacity of over 110 million cubic meters – the Southwest Oil and Gas Field has become the largest natural gas purification complex in the country. On December 4th, reporters learned from the 60th anniversary technical exchange conference on natural gas purification and chemical engineering held by the Southwest Oil and Gas Field Company that since China’s first industrial-scale desulfurization unit was built in Dongxi, Chongqing, in 1965, the country’s natural gas processing capacity has now reached over 110 million cubic meters per day, making this area the largest natural gas purification complex in the nation. In December 1965, China’s first industrial natural gas desulfurization facility was put into operation in Chongqing, with a daily processing capacity of only 150,000 cubic meters. To date, the Southwest Oil and Gas Field Company has a daily natural gas purification and processing capacity of over 110 million cubic meters. While providing a solid supply of gas for domestic use in the Sichuan and Chongqing regions, it also supplies gas to more than 20 large and medium-sized cities in the southwest and central China. During the interview, the reporter learned that in 1977, with the development of the Wolong River gas field, **the import of a complete set of foreign purification equipment was approved for the first time; this equipment also served as a stepping stone for breakthroughs in natural gas purification and chemical processing technologies. In 1998, China’s first natural gas purification plant designed and built independently, with the highest processing capacity, was put into operation, and a selectively desulfurization solvent developed through independent research was used for the first time. By 2025, the commissioning of new plants in Yanting, Dazhou and other locations will further indicate that China has reached international leadership levels in the field of cryogenic treatment across the entire natural gas value chain under various operating conditions, as well as in the development of the entire industrial chain for ultra-high sulfur content gas fields. https://p3-sign.toutiaoimg.com/tos-cn-i-ezhpy3drpa/38807385bde54e088cf85331cdb700e9~tplv-tt-origin-web:gif.jpeg?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1765503673&x-signature=qZ9PLV%2F3Vjk0d%2BUk32NuMyEzzig%3D With the rise of digitalization, the Southwest Oil and Gas Field has established China National Petroleum Corporation’s first intelligent natural gas purification plant – the Dazhu branch of the Natural Gas Purification Plant, enabling these facilities to \"think and breathe\"” ； During the construction of the Ziyang branch of the Natural Gas Purification Plant in the new production area, digital delivery was achieved for the first time in China’s natural gas purification sector ； The Real-Time Optimization System (RTO) and Advanced Process Control System (APC) monitor the operation of the equipment 24/7, effectively reducing production energy consumption and reliance on experience ； Industrial 5G private networks, inspection robots, \"Safety Eye\" systems, smart safety helmets, and other technologies that are being widely used are all helping to infuse agility and intelligence into the traditionally robust oil and gas industry. They contribute a unique \"Xiyou Solution\" to the digital transformation of this sector. Over the past 60 years, China’s natural gas purification and chemical industry has transformed from a follower to a leader. Today, the Southwest Oil and Gas Field is a leader in natural gas purification in China. Core technologies such as desulfurization, sulfur recovery, and exhaust gas treatment have reached international advanced levels, among which the advanced amine solution regeneration technology is at the international leading level. Led the development of over 10 international standards and 165 **industry standards, and obtained 104 invention patents.