中国石油取得泡沫排水施工边界条件确定方法及系统专利
Group 1 - The core point of the article is that China National Petroleum Corporation (CNPC) has obtained a patent for a method and system for determining boundary conditions in foam drainage construction, with the patent announcement number CN119026200B and an application date of May 2023 [1] Group 2 - CNPC was established in 1999 and is headquartered in Beijing, primarily engaged in oil and natural gas extraction [1] - The registered capital of CNPC is approximately 18.3 billion RMB [1] - CNPC has made investments in 1,297 companies and participated in 443 bidding projects, with 38 trademark registrations and 5,000 patent records [1] - The company holds 168 administrative licenses [1]