Core Insights - Yang Haifeng, a manager at CNOOC Tianjin Branch, has made significant contributions to oil and gas exploration in the Bohai Bay Basin, discovering over 30 oil and gas fields and proving reserves exceeding 1 billion tons since 2009 [1] Group 1: Breakthroughs in Exploration - Yang Haifeng successfully tackled the challenging Qinhuangdao 29-2 structure, discovering that carbon dioxide and natural gas were trapped in separate "drawers," leading to the identification of Bohai's first billion-ton hidden oil field [2] - After a decade of stagnation, Yang and his team revitalized the Shijiu Tuo uplift area by proposing a quantitative three-dimensional control model, resulting in the discovery of another billion-ton oil field [3] - In 2020, Yang led the discovery of the first billion-ton lithological oil field in the northern Laizhou Bay area, achieving this in a record time of 40 days [4] Group 2: Continued Success and Innovations - Yang's innovative "gentle ridge-strong fault" model led to a significant breakthrough in the Qinhuangdao 27-3 area, marking another billion-ton oil field discovery [5] - The 2023 discovery of the Bohai Zhong 26-6 oil field, utilizing a new theory on fault isolation, resulted in the identification of the world's largest metamorphic rock potential mountain oil field, with proven reserves exceeding 200 million cubic meters [6]