Group 1 - China National Petroleum Corporation (CNPC) has recently obtained a new invention patent titled "A Method and Device for Evaluating the Sweet Spot of Shale Full-Volume Element Three-Component" with application number CN202511960662.8, authorized on February 17, 2026 [1] - The patent involves a method for shale analysis that enhances the accuracy of shale evaluation results by assessing total porosity, grain size distribution, and X-ray diffraction patterns of shale samples [1] - In 2023, CNPC has received a total of 342 patent authorizations, representing an increase of 80.95% compared to the same period last year [1] Group 2 - CNPC has made investments in 1,300 enterprises and participated in 443 bidding projects [2] - The company holds 105 trademark registrations and 48,574 patent records, along with 168 administrative licenses [2] - In the first half of 2025, CNPC invested 9.899 billion yuan in research and development, reflecting a year-on-year increase of 2.51% [1]