Core Insights - China National Petroleum Corporation (CNPC) and China Petroleum Group Geophysical Exploration Co., Ltd. have obtained a patent for a "modeling method and device for speed models, computer equipment, and storage media" with authorization announcement number CN119986775B, applied on November 2023 [1] Group 1: Company Overview - China National Petroleum Corporation was established in 1990 and is headquartered in Beijing, primarily engaged in oil and natural gas extraction. The company has a registered capital of 48,690 million RMB [1] - CNPC has invested in 107 enterprises, participated in 5,000 bidding projects, and holds 1,441 trademark records and 5,000 patent records, along with 28 administrative licenses [1] Group 2: Subsidiary Overview - China Petroleum Group Geophysical Exploration Co., Ltd. was founded in 2000 and is located in Baoding, focusing on professional technical services. The company has a registered capital of 1,532.4787891 million RMB [1] - The subsidiary has invested in 32 enterprises, participated in 2,399 bidding projects, and possesses 100 trademark records and 3,418 patent records, in addition to 278 administrative licenses [1]