Sou Hu Cai Jing·2026-01-12 02:33Group 1 - The core point of the article is that China National Petroleum Corporation (CNPC) has applied for a patent for a method and device for evaluating well spacing in shale gas wells, indicating a focus on improving efficiency in shale gas extraction [1] Group 2 - The patent application, published as CN121302947A, was filed on July 2024 and outlines a method that includes obtaining original formation pressures of new and adjacent old wells to assess whether the spacing meets preset requirements [1] - CNPC, established in 1999 and headquartered in Beijing, primarily engages in oil and gas extraction, with a registered capital of 18,302,097,000 RMB [1] - The company has invested in 1,296 enterprises, participated in 443 bidding projects, and holds 38 trademark records and 5,000 patent records, along with 168 administrative licenses [1]