Core Insights - The "Deep Sea No. 1" Phase II project has been fully operational since June 25, marking China's largest offshore gas field and a significant step towards large-scale deep-sea oil and gas development [1][2]. Industry Overview - Over 70% of global oil and gas resources are located in oceans, with 40% from deep water. China's South China Sea alone has approximately 2.48 billion tons of oil and 42 trillion cubic meters of natural gas, with about half found in deep water [2]. - The exploration and development of deep-sea oil and gas resources, particularly in the South China Sea, is a long-term and significant growth direction for China [2]. Project Details - The "Deep Sea No. 1" gas field is located 150 kilometers from Sanya, Hainan Province, and has geological reserves exceeding 100 billion cubic meters [2]. - The project has overcome numerous technical challenges associated with deep-water operations, establishing China as a player in the global deep-water oil and gas development arena [3][4]. Technological Innovations - The "Deep Sea No. 1" energy station is the world's first 100,000-ton deep-water semi-submersible production and storage platform, featuring three world-class innovations and 13 domestically developed technologies [4]. - The project has developed a unique operational model combining underwater production systems, shallow water platforms, and deep-water semi-submersible platforms, creating a large-scale oil and gas production facility cluster [6][7]. Production Capacity - The "Deep Sea No. 1" project has a maximum daily production capacity of 15 million cubic meters, with an expected annual output exceeding 4.5 billion cubic meters [7]. - The cumulative production has surpassed 12 billion cubic meters, making it the largest offshore gas field in China and a key supplier for the Guangdong-Hong Kong-Macao Greater Bay Area [7]. Future Prospects - The technological and equipment systems established by the "Deep Sea No. 1" project are expected to facilitate the development of other complex deep-water oil and gas fields in the future [8]. - There are vast areas in the South China Sea awaiting exploration, and the advancements made through this project lay a solid foundation for future deep-sea endeavors [8].

Group 1: Nuclear Power Development - The "Hualong One" nuclear power unit at Fuqing Nuclear Power Plant has officially commenced commercial operation, marking a significant achievement in China's third-generation nuclear technology [3] - The "Hualong One" unit has an annual electricity generation capacity of nearly 10 billion kWh, sufficient to meet the annual electricity needs of 1 million people [3] - During the 14th Five-Year Plan period, the construction of "Hualong One" units is progressing steadily, with a domestic equipment localization rate exceeding 90%, benefiting over 5,400 upstream and downstream enterprises [3] Group 2: Heavy Machinery and Infrastructure - The development of large-diameter shield tunneling machines has broken foreign technology monopolies, addressing key construction challenges in China's transportation infrastructure [5] - China Railway Equipment has produced over 50 large-diameter shield machines, including the world's largest high-speed rail shield machine, showcasing China's manufacturing capabilities [5] Group 3: Space Exploration - The "Xihe" solar observation satellite has been capturing solar evolution data, providing a unique perspective for understanding the sun [7] - The satellite has achieved several international firsts in solar observation technology and has made its data available to research teams from 15 countries [7] Group 4: Energy Equipment - The successful development of the domestically produced F-class 50 MW heavy-duty gas turbine represents a significant breakthrough in China's high-end energy equipment sector [9] - This turbine can generate over 70,000 kWh of electricity per hour, enough to meet the daily electricity needs of 7,000 households, and can reduce carbon emissions by approximately 500,000 tons annually [9] Group 5: High-Speed Rail - The CR450 train set, capable of reaching a testing speed of 450 km/h and an operational speed of 400 km/h, represents a significant advancement in high-speed rail technology [11] - The train features a 22% reduction in running resistance and a 10% weight reduction, making it the fastest high-speed train globally upon its operational launch [11] Group 6: Quantum Computing - The "Zuchongzhi 3" superconducting quantum computing prototype has set a new record for quantum computing superiority, outperforming the fastest classical algorithms by 15 orders of magnitude [13] - This achievement highlights China's advancements in quantum computing technology and its potential to lead in this field [13] Group 7: Artificial Synthesis - Chinese scientists have achieved the first artificial synthesis of starch from carbon dioxide in a simplified process, significantly faster than natural methods [15] - This breakthrough could revolutionize food production methods if successfully industrialized [15] Group 8: Offshore Gas Development - The "Deep Sea No. 1" Phase II project has commenced full production, becoming China's largest offshore gas field with a daily output exceeding 15 million cubic meters [17] - This project marks a significant advancement in deep-water oil and gas development in China, entering the ultra-deep water era [17]

央视网消息：在人类探索自然的征途上，深海、深地、深空一度是三大空白地带。把目光投向海洋，"十四五"期间，中国从"认识深海"到"利 用深海"，一步步向着"海洋强国"建设迈进。 万米海底 "奋斗者"号突破认知边界 不久前，"奋斗者"号载人潜水器在太平洋西北部深达9533米的海沟中，发现了一个绵延2500公里的巨大"生命绿洲"。五年来，从南海海沟到太 平洋洋底，"奋斗者"号带着科研团队勘测足迹覆盖全球多个关键深海区域，为我国探索深海、利用深海打下坚实基础。 流花油田：我国首个自营深水油田油气产量创新高 在深海开发中，能源开发的表现尤其突出。前不久，我国首个自营深水油田"流花油田"油气产量再创新高。 在渤海，垦利6-1亿吨级大油田上部组块完成安装，成为我国海上智能无人井口平台数量最多的开发项目。 在珠江口盆地，我国首个深海二氧化碳封存项目已经实现关键技术突破，为我国的碳减排目标提供了新的途径。 在北部湾海域，我国自主研发的首个水下机器人七功能机械手成功投用，为深海智能化作业提供技术支撑。 五年来，中国海油国内原油产量增长至5861万吨，国内海上原油增产量超1600万吨，占全国原油总增量的比例超过七成，深海油气已成我国 ...

Core Insights - China National Offshore Oil Corporation (CNOOC) announced that the total length of China's subsea oil and gas pipelines has surpassed 10,000 kilometers, positioning the country among the world's leaders in this field, marking a significant milestone in marine oil and gas resource development and enhancing national energy security [1] Group 1: Pipeline Infrastructure - The 10,000 kilometers of subsea pipelines is nearly twice the straight-line distance from the south to the north of China, showcasing the extensive reach of the infrastructure [1] - The pipeline specifications cover a full range from 2 inches to 48 inches, including single-layer and double-layer pipes, aligning with international mainstream types [1] - CNOOC's pipeline laying technology and equipment capabilities have reached international advanced levels, leading in aspects such as the completeness of the equipment technology system [1] Group 2: Engineering Challenges - Subsea pipelines are critical for offshore oil and gas transportation, often referred to as the "lifeline" of marine oil and gas production systems, facing complex underwater terrains and extreme environmental conditions [1] - At depths of 1,500 meters, pipelines must withstand pressures of 150 atmospheres, equivalent to the weight of 1.5 family cars concentrated on an A4 sheet of paper [1] - China is one of the countries with the most complex marine conditions, which imposes higher technical requirements for subsea pipeline engineering [1] Group 3: Technological Advancements - CNOOC has overcome technical challenges related to subsea pipeline design and installation in harsh marine conditions, establishing a complete technical system for subsea pipeline engineering that includes design, construction, and installation [2] - Since the 14th Five-Year Plan, CNOOC has significantly enhanced its pipeline laying capabilities, laying over 1,500 kilometers of subsea pipelines, with a maximum operational depth of 1,542 meters, marking a historic transition from shallow to ultra-deep water [2] - The company has developed a range of specialized vessels and equipment, including the first domestic 3,000-meter ultra-deepwater lifting and laying vessel, "Ocean Oil 201," which has driven the independent and comprehensive upgrade of China's subsea pipeline construction [2] Group 4: Global Projects - In recent years, CNOOC has undertaken over 10 projects in Southeast Asia, the Middle East, and Africa, laying more than 500 kilometers of subsea pipelines and setting multiple industry records for the largest and heaviest subsea pipes [3]

习近平总书记强调，建设海洋强国是实现中华民族伟大复兴的重大战略任务。要推动海洋科技实现高水平自 立自强，加强原创性、引领性科技攻关，把装备制造牢牢抓在自己手里，努力用我们自己的装备开发油气资 源，提高能源自给率，保障国家能源安全。 中央纪委国家监委网站 陈瑶 压裂船铺设龙骨仪式完成。受访单位供图 开工仪式上，工作人员认真核对各项数据，操作切割仪器。受访单位供图 随着第一块钢板切割，压裂船建造项目开工。受访单位供图 工作人员对船体进行海底塞抽真空密性检验。受访单位供图 工欲善其事，必先利其器，深海油气开发也不例外。近年来，我国自主研发了多种适应不同类型油藏的"深海 利器"，显著提升了深海进入、深海探测以及深海开发方面能力。其中，就包括"海洋石油696"。 "海洋石油696"由中国船舶集团上海船舶研究设计院（以下简称"中船集团上研院"）设计，专为中海石油（中 国）有限公司天津分公司（以下简称"中国海油天津分公司"）打造，目前正在进行下水后的全船动力及压裂 系统系泊调试。作为国内首艘集成式大型压裂船，该船具有高度集成化、智能化、自动化等优势，可进行海 上高效规模化压裂作业，对填补我国海上油田压裂技术和工程空白、推进 ...

Group 1 - The stock price of CNOOC Development reached 4.07 yuan as of August 25, 2025, with an increase of 0.03 yuan, representing a rise of 0.74% compared to the previous trading day [1] - The company operates in the extraction industry, focusing on marine oil engineering technology services, equipment manufacturing, and green energy, making it a significant player in domestic marine oil and gas development [1] - As of the end of the second quarter, pension accounts held 52.1022 million shares of CNOOC Development, accounting for 0.51% of the circulating shares, with the Basic Pension Insurance Fund 808 Combination being the fifth largest circulating shareholder [1] Group 2 - On August 25, the net inflow of main funds was 54.6103 million yuan, representing 0.13% of the circulating market value [1] - Over the past five trading days, the cumulative net inflow of main funds reached 108.9331 million yuan, accounting for 0.26% of the circulating market value [1]

Group 1 - The ocean economy is experiencing unprecedented development opportunities, becoming a strategic high ground for China [1] - The central government emphasizes the need for high-quality development of the ocean economy and plans to establish national ocean economy development demonstration zones [1][2] - The ocean economy's total value is projected to exceed 10 trillion yuan, reaching 10.5 trillion yuan in 2024, with a year-on-year growth of 5.9% [2] Group 2 - The first quarter of 2024 saw the ocean production value reach 2.5 trillion yuan, reflecting a year-on-year increase of 5.7% [2] - Various regions are formulating ocean economy development plans, including Shandong, Liaoning, and Hainan [3] - The focus is on enhancing ocean resource development capabilities and transitioning to a quality and efficiency-oriented ocean economy [4] Group 3 - State-owned enterprises (SOEs) are encouraged to participate in ocean economy development due to their financial strength and technological capabilities [7] - China National Offshore Oil Corporation (CNOOC) has made significant discoveries in oil and gas reserves, highlighting the importance of SOEs in resource exploration [7][8] - The shipbuilding industry is a key component of the ocean economy, with China's market share in marine vessels and offshore engineering equipment leading globally [8] Group 4 - The government is promoting policies to support the development of marine energy and encourage investment from SOEs and private sectors [9] - The potential for deep-sea technology and marine economy development is significant, with opportunities in deep-sea equipment, marine biotechnology, and offshore wind power [9]

Core Viewpoint - The development of China's marine economy is showing a steady upward trend in the first half of the year, with a marine GDP of 5.1 trillion yuan, reflecting a year-on-year growth of 5.8% [1] Group 1: Industry Structure Optimization - China's marine shipbuilding industry maintains a leading position in the international market, with new orders, completed orders, and hand-held orders accounting for 64%, 47.2%, and 57.6% of the global total, respectively [2] - The marine tourism market is experiencing growth, with an added value of 771.8 billion yuan, representing an 8% year-on-year increase [2] - The number of cruise passengers and cruise ship calls increased by 40.1% and 33.7%, respectively, compared to the previous year [2] Group 2: Emerging Marine Industries - The marine engineering equipment market continues to lead globally, with new orders, delivered orders, and hand-held orders accounting for 64.6%, 43.3%, and 62.6% of the international market share, respectively [3] - Significant advancements in marine technology include the delivery of large-scale aquaculture vessels and innovations in desalination technology [3] Group 3: Resource Security Enhancement - The discovery of the Huizhou 19-6 oil field in the South China Sea indicates significant exploration potential, with geological reserves exceeding 100 million tons of oil equivalent [4] - Marine oil and gas production increased by 2.3% and 16.9%, respectively, in the first half of the year [4] - The newly approved marine area increased by 167,000 hectares, a year-on-year growth of 25.2%, with investments exceeding 500 billion yuan [4] Group 4: Food and Water Resource Security - The domestic marine aquaculture production increased by 4.8%, with seawater aquaculture production rising by 5.6% [5] - The completion of a 100,000 tons per day seawater desalination project enhances the country's desalination capacity [5] Group 5: Technological Innovation - The establishment of the National Marine Comprehensive Test Field (Deep Sea) in Hainan aims to support deep-sea technology and industry development [7] - Significant progress in deep-sea detection and resource development technologies has been made, including the launch of the "Deep Sea No. 1" gas field project [7] Group 6: Marine Foreign Trade - The total import and export volume of marine trade increased by 1.1% year-on-year, with high-end, intelligent, and green marine products showing strong export growth [8] - The construction of smart green ports is accelerating, with 23 automated container terminals and 29 automated bulk cargo terminals established [8] Group 7: Economic Outlook - A majority of marine economy-related enterprises reported growth in revenue, profit, and R&D expenditure, with 87.6% of companies optimistic about the economic environment for the second half of the year [9] - The Central Financial Committee's meeting emphasized the need for continuous technological innovation and optimization of industrial layout to promote high-quality development of the marine economy [9]

Group 1 - China National Offshore Oil Corporation (CNOOC) has fully launched the second phase of the "Deep Sea No. 1" gas field project in the South China Sea, marking the completion of the largest offshore gas field in China [2][14] - The "Deep Sea No. 1" gas field has proven natural gas reserves exceeding 150 billion cubic meters, with an annual production capacity expected to reach 4.5 billion cubic meters by June 2025, which is 1.67 times the natural gas consumption of Hainan Province in 2023 [4][14] - The project is a significant step towards enhancing China's energy self-sufficiency, as it can meet one-quarter of the natural gas demand for the Guangdong-Hong Kong-Macao Greater Bay Area [15] Group 2 - The development of the "Deep Sea No. 1" gas field has led to the creation of a complete technical system for deepwater drilling, exploration, development, and operation, positioning China among the few countries capable of independently developing ultra-deepwater gas fields [15][16] - The project has also driven the upgrade of the marine equipment manufacturing industry, achieving a significant increase in the localization rate of key equipment from 33% to 80% [10][16] - The successful implementation of the project has created numerous job opportunities and promoted the training of marine engineering talent, contributing to the economic development of the Guangdong-Hong Kong-Macao Greater Bay Area and Hainan Free Trade Port [16]

Group 1 - The core project of the Kenli 10-2 oilfield group has successfully completed the offshore floating installation of the central processing platform, setting records for size and weight in the Bohai Sea region, which lays the foundation for increasing reserves and production at China's largest crude oil production base [1] - The Kenli 10-2 oilfield is the largest lithologic oilfield discovered offshore in China, with proven geological reserves of over 100 million tons. The central processing platform has entered the commissioning phase and is expected to commence production within the year, contributing to the Bohai oilfield's goal of achieving an oil and gas output of 40 million tons by 2025 [2] - China's floating installation technology has reached world-class levels, overcoming significant challenges in the installation of giant equipment in marine engineering. The floating installation method allows for the installation of platforms weighing over 8,000 tons, which is advantageous in terms of installation weight and construction cycle [3] Group 2 - The floating installation technology utilizes natural tidal forces and ship loading techniques, allowing for precise placement of the platform onto the guide frame, which has been successfully applied in the installation of 50 large offshore platforms, with a total weight exceeding 600,000 tons [3] - The technology has established a complete independent intellectual property system and ranks among the top in the world in terms of the variety of floating types, operational difficulty, and technical complexity [3]