Core Viewpoint - The successful production launch of the Kenli 10-2 oilfield group (Phase I) marks a significant milestone for China's offshore oil industry, particularly in the development of complex heavy oil reservoirs [1][2] Group 1: Project Overview - The Kenli 10-2 oilfield, located in the southern Bohai Sea with an average water depth of approximately 20 meters, has proven geological reserves exceeding 100 million tons, making it the first billion-ton level lithologic oilfield discovered in the Bohai Bay Basin [1] - The Phase I development project plans to drill 79 production wells, with an expected peak daily oil and gas equivalent production of about 3,000 tons [1][2] Group 2: Development Challenges and Solutions - The oilfield features a "branch-like + heavy oil thermal recovery" reservoir type, which is rare both domestically and internationally, presenting significant extraction challenges due to its "scattered, narrow, thin, and mixed" characteristics [1] - To address the challenges of scattered reserves and varying oil viscosity, the project employs a combined development approach of "conventional water injection + steam flooding + steam drive" [2] - The central processing platform is designed with both conventional cold production and heavy oil thermal recovery systems, making it one of the most complex production platforms in the Bohai region, equipped with over 240 key devices [2] Group 3: Technological Innovations - The project has achieved several key breakthroughs in drilling and completion engineering, including the large-scale application of self-developed high-temperature electric submersible pump integrated technology, which significantly enhances production efficiency [2] - The successful launch of the Kenli 10-2 oilfield group (Phase I) signifies a new stage in the development of complex heavy oil reservoirs offshore, contributing to the goal of achieving a total production target of 40 million tons for China National Offshore Oil Corporation (CNOOC) in the Bohai oilfield this year [2]