中国海油近日发布消息称，我国海上稠油热采技术体系和核心装备规模化应用取得关键进展，海上稠油 热采累计产量超500万吨，标志着我国成为全球首个实现海上稠油规模化热采开发的国家。 稠油是一种黏度高、密度大、流动性差且容易凝固的原油，开采难度大。与陆地油田相比，海上平台作 业空间小、成本高，稠油热采规模化开发面临技术装备和经济效益双重挑战，是业界公认的世界难题。 中国海油研究总院杨仁锋表示，目前在全球剩余石油资源中，稠油占比约70%，是石油生产国实现增产 的主攻方向之一。对于高黏稠油，行业内主要采用热采方式进行开发，核心原理是向地层注入高温高压 蒸汽，通过加热使稠油黏度降低，成为流动性好、易开采的"稀油"。 我国是全球四大稠油生产国之一，稠油资源丰富，海上需注热开发的高黏稠油探明储量超6亿吨，占我 国稠油已探明储量的20%，开发潜力巨大。持续推动稠油储量向产量转化，对于加大国内油气勘探开发 力度具有重要意义。 目前，我国海上稠油热采主要集中在渤海海域，现已建成南堡35-2、旅大21-2、锦州23-2等多个主力热 采油田。今年以来，稠油热采产量已超130万吨，全年产量有望跃升至200万吨。 为高效且经济利用稠油储量， ...

Core Insights - China's offshore heavy oil thermal recovery has achieved a significant milestone, surpassing a cumulative production of 5 million tons, marking a key step in the global offshore heavy oil development sector [3][12][14] - The Luda 5-2 North Oilfield Phase II project has emerged as a leader in this field, showcasing strong development momentum since its production start in February, with over 2 million tons of heavy oil reserves activated and daily production exceeding 500 tons [3][6] Technological Innovations - The development of heavy oil is challenged by its high viscosity and density, making extraction difficult, especially in offshore environments where costs are high and space is limited [6][9] - China National Offshore Oil Corporation (CNOOC) has introduced an innovative "fewer wells, higher yield" thermal recovery model, which enhances single well output through high-temperature steam injection and the use of various gases and chemicals [8][9] Equipment Advancements - CNOOC has successfully developed high-end oil production trees and supporting systems suitable for offshore heavy oil thermal recovery, along with modular equipment specifically designed for this purpose, filling a gap in the domestic market [9][10] Resource Potential - China is one of the world's four major heavy oil producers, with proven heavy oil resources amounting to 3.5 billion tons, indicating substantial development potential [10][12] - Currently, less than 3% of the annual production from Bohai Oilfield, which exceeds 30 million tons, comes from unconventional heavy oil, highlighting the opportunity to convert dormant heavy oil reserves into actual production [10][12] Future Outlook - The offshore heavy oil thermal recovery production is expected to exceed 1 million tons for the first time in 2024, with projections for 2025 indicating a potential annual output of 2 million tons, reflecting the technology's vast potential and promising future [14][16] - Continuous advancements in technology and equipment are anticipated to accelerate the pace of offshore heavy oil thermal recovery capacity construction, contributing significantly to national energy security [16]

（来源：央视网） ...

Core Insights - China's offshore heavy oil thermal recovery has surpassed 5 million tons since its exploration began in 2008, making it the first country to achieve large-scale offshore heavy oil thermal recovery development globally [1] - Heavy oil, characterized by high viscosity and density, poses significant extraction challenges, yet it constitutes approximately 70% of the world's remaining oil resources, making it a key focus for oil-producing countries [1] - China is one of the world's top four heavy oil producers, with proven reserves of high-viscosity heavy oil exceeding 600 million tons offshore, representing about 20% of the country's total proven heavy oil reserves, indicating substantial development potential [1] Industry Developments - The primary method for developing high-viscosity heavy oil is thermal recovery, which involves injecting high-temperature and high-pressure steam into the reservoir to reduce viscosity, making it easier to extract [1] - Offshore operations face challenges such as limited working space and high costs compared to onshore oil fields, complicating the large-scale development of heavy oil thermal recovery [1] - To efficiently utilize heavy oil reserves, China National Offshore Oil Corporation (CNOOC) has proposed the "fewer wells, higher production" thermal recovery development theory to address issues like low thermal recovery capacity and significant heat loss, thereby improving heavy oil recovery rates [1] - Current offshore heavy oil thermal recovery is primarily concentrated in the Bohai Sea, with several key thermal recovery oil fields established, including Nanpu 35-2, Luda 21-2, and Jinzhou 23-2, with production expected to reach 2 million tons this year [1]

Core Insights - China National Offshore Oil Corporation (CNOOC) has achieved a significant technological breakthrough in offshore heavy oil thermal recovery, with cumulative production surpassing 5 million tons, making China the first country to master and successfully apply large-scale offshore heavy oil thermal recovery technology [1][3] Industry Overview - Heavy oil accounts for 70% of the remaining global oil resources, making it a crucial area for oil production increase [1] - The thermal recovery technique involves injecting high-temperature and high-pressure steam into the reservoir to reduce the viscosity of heavy oil, transforming it into a more easily extractable "light oil" [1] Project Development - CNOOC's offshore heavy oil thermal recovery projects are primarily located in the Bohai Sea, with successful operations in key oil fields such as Nanpu 35-2, Luda 21-2, and Jinzhou 23-2 [3] - The successful operation of these oil fields not only supports China's oil production but also provides valuable experience and reference for global heavy oil extraction [3] Future Outlook - The technological breakthrough demonstrates CNOOC's strong capabilities in offshore oil extraction and injects new vitality into energy security for China and the world [3] - With continuous maturation and improvement of the technology, CNOOC is expected to lead the development trend of global heavy oil extraction technology in the future [3]

Core Insights - China National Offshore Oil Corporation (CNOOC) has achieved significant progress in the large-scale application of offshore heavy oil thermal recovery technology, with cumulative production exceeding 5 million tons, making China the first country globally to realize large-scale thermal recovery development of offshore heavy oil [1] Group 1: Technology and Equipment - Heavy oil, characterized by high viscosity, density, and poor flowability, poses significant extraction challenges, especially in offshore environments where operational space is limited and costs are high [1] - CNOOC has developed world-leading equipment capable of withstanding temperatures up to 350°C for thermal recovery, including compact and efficient thermal injection equipment, downhole safety control systems, and long-lasting sand control devices [1] - The company has also designed and constructed the world's first mobile thermal injection platform, "Thermal Recovery No. 1," filling a gap in China's offshore heavy oil thermal recovery equipment sector [1] Group 2: Production Areas - The offshore heavy oil thermal recovery operations are primarily concentrated in the Bohai Sea, with key thermal recovery oil fields established, including Nanpu 35-2, Luda 21-2, and Jinzhou 23-2 [1]

Core Insights - China National Offshore Oil Corporation (CNOOC) has achieved significant progress in the large-scale application of offshore heavy oil thermal recovery technology, with cumulative production exceeding 5 million tons, making China the first country globally to realize large-scale thermal recovery development of offshore heavy oil [1][3] Industry Overview - Heavy oil is characterized by high viscosity, high density, poor fluidity, and a tendency to solidify, making extraction challenging. Compared to onshore oil fields, offshore operations face smaller working spaces and higher costs, presenting dual challenges in technical equipment and economic efficiency [3] - Approximately 70% of the world's remaining oil resources consist of heavy oil, which is a primary focus for oil-producing countries aiming to increase production. The industry primarily employs thermal recovery methods for high-viscosity oil, which involves injecting high-temperature, high-pressure steam into the reservoir to reduce viscosity and convert heavy oil into more easily extractable "light oil" [3] Development Focus - China's offshore heavy oil thermal recovery is mainly concentrated in the Bohai Sea, with several key thermal recovery oil fields established, including Nanpu 35-2, Ludao 21-2, and Jinzhou 23-2 [3]

Group 1: Industry Developments - China's offshore heavy oil thermal recovery cumulative production has exceeded 5 million tons, making it the first country to achieve large-scale offshore heavy oil thermal recovery development [1] - The Luda 5-2 North Oilfield Phase II project, which started production in February, has added over 20 million tons of recoverable heavy oil reserves and has contributed over 100,000 tons to the thermal recovery output [1] - The newly launched 100-million-ton-level Kenli 10-2 oilfield development project has added over 14 million tons of recoverable heavy oil reserves [1] - As of this year, China's offshore heavy oil thermal recovery production has surpassed 1.3 million tons, setting a historical record for the same period [1] Group 2: Company News - Digital政通 has successfully won the bid for the "Nanjing Urban Management Big Data Operation Management Platform Phase II Construction Project," which includes six core modules and aims to enhance urban management services in Nanjing [4] - Muyuan Group has signed a strategic cooperation agreement with Charoen Pokphand Group in Bangkok, focusing on strategic planning, business integration, and global layout in various sectors including feed, pig farming, and food processing [4] - Skyworth Group has signed a strategic cooperation agreement with the Haikou municipal government to leverage opportunities in Hainan Free Trade Port and enhance cooperation in investment, advanced manufacturing, and new energy [4]

Core Insights - China National Offshore Oil Corporation (CNOOC) announced significant progress in the large-scale application of offshore heavy oil thermal recovery technology, achieving a cumulative production of over 5 million tons, making China the first country globally to realize large-scale thermal recovery of offshore heavy oil [2] Group 1: Technology and Equipment - Heavy oil, characterized by high viscosity, density, poor fluidity, and tendency to solidify, poses significant extraction challenges, especially in offshore environments where operational space is limited and costs are high [2] - CNOOC has developed world-leading equipment capable of withstanding temperatures of 350°C for thermal recovery, along with efficient small-scale heating injection equipment, downhole safety control systems, and long-lasting sand control devices [2] - The company has designed and constructed the world's first mobile heating injection platform, "Thermal Recovery No. 1," filling a gap in China's offshore heavy oil thermal recovery equipment sector [2] Group 2: Production Areas - The offshore heavy oil thermal recovery efforts are primarily concentrated in the Bohai Sea, with key thermal recovery oil fields established, including Nanpu 35-2, Luda 21-2, and Jinzhou 23-2 [2]

Group 1: Offshore Heavy Oil Thermal Recovery Progress - China has achieved significant progress in the large-scale application of offshore heavy oil thermal recovery technology, with cumulative production exceeding 5 million tons, making it the first country to achieve large-scale thermal recovery of offshore heavy oil [1] - The Luda 5-2 North Oilfield Phase II project, which began production in February, has added over 20 million tons of recoverable heavy oil reserves and has a daily thermal recovery production exceeding 500 tons, contributing over 100,000 tons to cumulative thermal recovery output [1] - The newly launched Kengli 10-2 oilfield development project has added over 14 million tons of recoverable heavy oil reserves, with total thermal recovery production in the offshore sector exceeding 130,000 tons this year, setting a historical high for the same period [1] Group 2: Heavy Oil Resource Potential - China is one of the world's four largest heavy oil producers, with an estimated heavy oil resource of approximately 19.87 billion tons and proven reserves of 3.5 billion tons, indicating significant development potential [5] - Currently, less than 3% of the annual crude oil production of over 30 million tons from Bohai Oilfield comes from unconventional heavy oil, highlighting the importance of converting heavy oil reserves into production for enhancing domestic oil and gas exploration and development [5] Group 3: Applications and Importance of Heavy Oil - Heavy oil is a valuable petrochemical raw material, often referred to as "black gold," and can be refined into lubricants, greases, and various types of asphalt used in transportation and construction [6][8] - In industrial applications, heavy oil can be refined into low-congealing diesel suitable for cold regions, high-performance lubricants, and electrical insulation oil, while also serving as a core raw material for road paving asphalt and waterproofing asphalt in construction [8]