Sou Hu Cai Jing·2025-05-28 02:23Group 1 - The National Petroleum and Natural Gas Index (399439) has seen an increase of 0.43% as of May 28, 2025, with notable gains from companies such as Zhuoran Co. (688121) up 4.25% and Lansi Heavy Industry (603169) up 3.81% [1] - The oil and gas ETF (159697) rose by 0.31%, with the latest price reported at 0.97 yuan [2] - The development project of the Kenli 10-2 oilfield group, which is the largest lithologic oilfield discovered offshore China with proven geological reserves exceeding 100 million tons, has entered the offshore operation phase [2] Group 2 - The top ten weighted stocks in the National Petroleum and Natural Gas Index account for 66.65% of the index, including major companies like China National Petroleum (601857) and Sinopec (600028) [3] - Short-term pressures on international oil prices are expected due to tariff policies and OPEC+ production increases, but geopolitical risk premiums and global demand resilience may support oil price stability [2] - The oil and gas upstream capital expenditure is increasing, leading to a recovery in the oil service industry and enhanced competitiveness driven by technological advancements [2]