Core Insights - He Jishan dedicated his life to the field of geophysical exploration, focusing on national resource security and making significant contributions to the industry over 60 years [1][2][3] Group 1: Contributions to Geophysical Exploration - He Jishan established the mountain electric field theory, overcoming traditional technical limitations in mountain exploration [1] - He invented the dual-frequency electromagnetic method, achieving a breakthrough in autonomous electromagnetic instruments [1] - He pioneered wide-area electromagnetic methods to support national deep-earth strategies and solved global challenges in leakage detection using the proposed flow field method [1] Group 2: Educational Impact - He Jishan created the first national key discipline in electromagnetic detection and established a foundation to support nearly a thousand students and teachers [1] - His classrooms and lectures are highly attended, inspiring many young students to engage in geological research and contribute to the nation [1] Group 3: Ongoing Research and Field Work - He Jishan remains active in research and exploration, addressing flood risks along the Yangtze and Yellow Rivers and guiding breakthroughs in rare earth mineral exploration [2] - He is involved in developing intelligent systems for tunnel exploration in the Sichuan-Tibet Railway, demonstrating his commitment to academic progress and national resource security [2]

Group 1 - China National Petroleum Corporation (CNPC) and China Petroleum Group Eastern Geophysical Exploration Co., Ltd. applied for a patent titled "Identification Method, Device, Equipment, and Medium for Deep-Level Turbidite Sedimentary Bodies" with publication number CN119882037A, filed on October 2023 [1] - The patent describes a method for identifying deep-level turbidite sedimentary bodies, involving the extraction of velocity and seismic attributes from geological data, which are then fused to create a geological body distribution map [1] - The proposed method allows for rapid identification of turbidite sedimentary bodies even with limited geological data available [1] Group 2 - CNPC, established in 1990 and based in Beijing, primarily engages in gas production and supply, with a registered capital of 48.69 billion RMB [2] - CNPC has invested in 109 companies, participated in 5,000 bidding projects, and holds 1,435 trademark records and 5,000 patent records [2] - China Petroleum Group Eastern Geophysical Exploration Co., Ltd., founded in 2000 and located in Baoding, focuses on professional technical services, with a registered capital of approximately 1.53 billion RMB [2] - The Eastern Geophysical Exploration Company has invested in 31 companies, participated in 1,877 bidding projects, and possesses 100 trademark records and 3,094 patent records [2]