Group 1 - China National Petroleum Corporation (CNPC) has recently obtained a new invention patent titled "Characterization Method, Plate Construction Method, and Measurement Method for Shale Oil Storage Space," with the application number CN202311195681.7 and authorization date set for February 17, 2026 [1] - The patent describes a method for characterizing shale oil storage space, which includes cutting shale samples into regular shapes, conducting helium injection measurements to determine effective porosity, and using nuclear magnetic resonance measurements to ascertain total porosity [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 - 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] - CNPC has made investments in 1,300 companies and participated in 443 bidding projects [2] - The company holds 105 trademark registrations and 48,574 patent records, along with 168 administrative licenses [2]