中国石油天然气集团取得地层界限识别专利

Group 1 - The core point of the article is that China National Petroleum Corporation (CNPC) has obtained a patent for a method and device for identifying formation boundaries, with the patent announcement number CN119535577B and an application date of August 2023 [1] - CNPC was established in 1990 and is headquartered in Beijing, primarily engaged in oil and natural gas extraction [1] - The registered capital of CNPC is 48,690,000 million RMB [1] Group 2 - According to data analysis from Tianyancha, CNPC has made investments in 107 companies and participated in 5,000 bidding projects [1] - The company has 1,439 trademark registrations and 5,000 patent records, along with 28 administrative licenses [1]