Sou Hu Cai Jing·2026-01-03 04:02Group 1 - The core point of the article is that China National Petroleum Corporation has obtained a patent for a method and system to quickly determine the hydrocarbon generation threshold depth of mudstone [1] - The patent was granted with the announcement number CN116755176B and the application date was May 2023 [1] - China National Petroleum Corporation was established in 1999 and is primarily engaged in oil and natural gas extraction [1] Group 2 - The company has a registered capital of 18,302,097,000 RMB [1] - According to data analysis, the company has invested in 1,296 enterprises and participated in 443 bidding projects [1] - The company holds 38 trademark registrations and has 5,000 patent records, along with 168 administrative licenses [1]