Group 1 - The core point of the news is that southbound funds have significantly reduced their holdings in China National Offshore Oil Corporation (CNOOC), with a total net reduction of 7,066.61 million shares over the last five trading days [1] - In the last 20 trading days, there have been 11 days of net reductions, totaling 6,739.89 million shares [1] - As of now, southbound funds hold 10,202 million shares of CNOOC, which represents 21.46% of the company's total issued ordinary shares [1] Group 2 - China National Offshore Oil Corporation is primarily engaged in the exploration, development, production, and sales of crude oil and natural gas [2] - The company operates through three main departments: Exploration and Production (E&P), Trading, and Business Services [2] - The E&P department focuses on conventional oil and gas, shale oil and gas, oil sands, and other unconventional oil and gas operations, while the Trading department handles the import and export of crude oil and natural gas [2]

以上内容为证券之星据公开信息整理，由AI算法生成（网信算备310104345710301240019号），不构成投资建议。 从资金流向上来看，当日油气开采板块主力资金净流出2.68亿元，游资资金净流入2.19亿元，散户资金 净流入4962.78万元。油气开采板块个股资金流向见下表： 证券之星消息，12月19日油气开采板块较上一交易日下跌1.6%，中国海油领跌。当日上证指数报收于 3890.45，上涨0.36%。深证成指报收于13140.22，上涨0.66%。油气开采板块个股涨跌见下表： ...

Core Viewpoint - The development of energy-saving and efficient crude oil distillation technology, specifically the "precise separation of crude oil distillation based on energy conservation," has been recognized as a significant advancement in the refining industry, leading to improved efficiency and reduced energy consumption [1][5]. Group 1: Technological Challenges - The traditional crude oil atmospheric distillation technology is energy-intensive due to high processing volumes and temperatures, with actual flash distillation efficiency being less than 75% [2][3]. - Existing technologies, such as those from Shell and KBC, face common issues of increased energy consumption and reduced quality of wax oil, highlighting the need for innovative solutions [3]. Group 2: Innovative Solutions - A research team has proposed a new mass transfer model and developed several innovative devices, including the NS distillation deep extraction device and high-efficiency composite tower plates, which significantly enhance mass transfer efficiency [4]. - The new technology has improved diesel and wax oil yields by 3% and 4-6%, respectively, while reducing system energy consumption by 20% compared to similar foreign technologies [4]. Group 3: Industrial Application and Impact - The developed technology has been implemented in 43 crude oil distillation systems across major Chinese oil companies, demonstrating significant energy savings and efficiency improvements [6]. - Over the past three years, the application of this technology in three companies has resulted in an additional sales revenue of 3.37 billion yuan and tax contributions of 850 million yuan [7].

中国海洋石油有限公司是一家主要业务为勘探、开发、生产及销售原油和天然气的投资控股公司。该公 司通过三个部门开展业务。勘探及生产（E&P）部门主要经营常规油气业务，页岩油气业务，油砂业务 和其他非常规油气业务。贸易业务部门主要从事原油和天然气的进出口贸易。公司业务部门主要从事技 术研发、资产管理、产品销售以及其它业务。该公司在中国国内和海外市场开展业务，业务遍及亚洲、 非洲、北美洲、南美洲、大洋洲和欧洲。 证券之星消息，12月18日南向资金减持1644.25万股中国海洋石油（00883.HK）。近5个交易日中，获南 向资金减持的有5天，累计净减持7481.65万股。近20个交易日中，获南向资金减持的有10天，累计净减 持5412.13万股。截至目前，南向资金持有中国海洋石油（00883.HK）102.09亿股，占公司已发行普通 股的21.47%。 以上内容为证券之星据公开信息整理，由AI算法生成（网信算备310104345710301240019号），不构成 投资建议。 ...

（文章来源：证券日报） 证券日报网讯 12月18日，通源石油在互动平台回答投资者提问时表示，三桶油是公司国内的主要客 户，公司与其长期保持稳固的合作关系。2025年上半年三桶油的营业收入占比约11%。 ...

格隆汇12月18日｜南下资金今日净买入港股12.57亿港元。其中： 据统计，南下资金已连续15日净买入小米，共计147.5053亿港元；连续7日净买入美团，共计59.9241亿 港元；连续6日净卖出中海油，共计20.9138亿港元；连续5日净卖出中国移动，共计28.8582亿港元。(格 隆汇) 净买入小米集团-W 9.03亿、美团-W 4.34亿、长飞光纤光缆3.69亿、农业银行2.11亿、腾讯控股1.07亿； | | 沪股通 | | | 深股通 | | | | | --- | --- | --- | --- | --- | --- | --- | --- | | 名称 | 深鉄転 | 净买入额(亿) | 成交额 | 名称 | 涨跌幅 | 净买入额(亿) | 成交额 | | 阿里巴巴-W | -1.3% | 0.87 | 25.32亿 | 阿里巴巴-W | -1.3% | -2.43 | 16.86 Z | | 小米菲国-W | -2.5% | 3.49 | 20.44亿 | 中金公司 | 2.5% | 0.13 | 12.22 亿 | | 长飞光纤光镜 | -0.7% | 2.51 | 17.85 Z | ...

从资金流向上来看，当日油气开采板块主力资金净流入7630.83万元，游资资金净流出1085.25万元，散户 资金净流出6545.58万元。油气开采板块个股资金流向见下表： | 代码 | 名称 | 主力净流入 (元) | 主力净占比 游资净流入 (元) | | | 游资净占比 散户净流入 (元) 散户净占比 | | | --- | --- | --- | --- | --- | --- | --- | --- | | 600759 洲际油气 | | 4503.57万 | 3.81% | -1169.01万 | -0.99% | -3334.56万 | -2.82% | | 600938 中国海油 | | 3679.08万 | 4.44% | -306.24万 | -0.37% | -3372.83万 | -4.07% | | 000968 蓝焰控股 | | -32.02万 | -0.78% | 46.81万 | 1.15% | -14.79万 | -0.36% | | 600777 | *ST新潮 | -519.79万 | -16.38% | 343.19万 | 10.82% | 176.60万 | 5.57% ...

主力资金净流出的行业有23个，电子行业主力资金净流出规模居首，全天净流出资金110.42亿元，其次 是电力设备行业，净流出资金为73.47亿元，净流出资金较多的还有机械设备、非银金融、计算机等行 业。 石油石化行业今日上涨1.25%，全天主力资金净流入1.86亿元，该行业所属的个股共47只，今日上涨的 有37只；下跌的有5只。以资金流向数据进行统计，该行业资金净流入的个股有24只，其中，净流入资 金超千万元的有7只，净流入资金居首的是洲际油气，今日净流入资金4905.09万元，紧随其后的是中国 石油、中国海油，净流入资金分别为4724.80万元、4514.62万元。石油石化行业资金净流出个股中，净 流出资金居前的有恒逸石化、中国石化、中油工程，净流出资金分别为2153.40万元、1870.91万元、 879.93万元。（数据宝） 沪指12月18日上涨0.16%，申万所属行业中，今日上涨的有12个，涨幅居前的行业为银行、煤炭，涨幅 分别为1.97%、1.89%。石油石化行业位居今日涨幅榜第三。跌幅居前的行业为电力设备、通信，跌幅 分别为2.22%、1.58%。 资金面上看，两市主力资金全天净流出325.78亿元 ...

Group 1 - Southbound funds reduced their holdings in China National Offshore Oil Corporation (CNOOC) by 13.79 million shares on December 17 [1] - Over the past 5 trading days, there have been 5 days of net reductions by southbound funds, totaling 66.86 million shares [1] - In the last 20 trading days, there were 10 days of net reductions, amounting to 54.51 million shares [1] - Currently, southbound funds hold 10.225 billion shares of CNOOC, representing 21.5% of the company's total issued ordinary shares [1] Group 2 - CNOOC is primarily engaged in the exploration, development, production, and sale of crude oil and natural gas [2] - The company operates through three main departments: Exploration and Production (E&P), Trading, and Business Services [2] - The E&P department focuses on conventional oil and gas, shale oil and gas, oil sands, and other unconventional oil and gas operations [2] - The Trading department is involved in the import and export of crude oil and natural gas [2] - The Business Services department handles technology research and development, asset management, product sales, and other services [2] - CNOOC conducts its operations in both domestic and international markets across Asia, Africa, North America, South America, Oceania, and Europe [2]

Core Viewpoint - The implementation of the Hainan Free Trade Port's closure operation is set to reshape the island's industrial logic, leading to a new Hainan characterized by higher technological content and a more solid industrial foundation [2][28]. Trade Policy Changes - Starting December 18, 2025, Hainan will officially implement a new trade policy characterized by "one line open, two lines controlled, and free circulation within the island" [2]. - The scope of "zero tariff" goods will expand from approximately 1,900 tax items to about 6,600 tax items, covering around 74% of all goods [3]. - The management of imported "zero tariff" goods will shift from a "positive list" to a "negative list" model, allowing for broader exemptions from tariffs unless specifically prohibited [4]. Agricultural Development - Hainan has long served as China's "natural greenhouse" for seed breeding, leveraging its unique tropical climate for accelerated breeding cycles [7]. - The establishment of the Hainan South Breeding Industry Group aims to enhance the province's seed industry development, having introduced over 25,600 tropical fruit and medicinal crop germplasm resources [8]. - The transition to a standardized, industrialized service model in agriculture is underway, supported by the new trade policies [9]. Logistics and Transportation - The launch of a cross-strait low-altitude drone logistics route significantly enhances logistics efficiency, reducing transport times from hours to minutes [11]. - Hainan's geographical characteristics make low-altitude logistics a necessity, with plans for further development in this area [12][13]. Commercial Aerospace - The completion of the first phase of the reusable rocket assembly and testing facility in Hainan marks a significant step in the commercial aerospace sector [14]. - The "zero tariff" policy is expected to lower procurement costs for high-tech manufacturing companies, enhancing Hainan's attractiveness for aerospace investments [15]. Marine Resources and Energy - The "Deep Sea No. 1" project, China's first ultra-deepwater gas field, has begun full production, significantly contributing to the country's energy capabilities [20][21]. - The successful operation of this gas field is part of a broader strategy to enhance Hainan's role in marine oil and gas production [24]. - Hainan is also transitioning towards clean energy, with a target to ban the sale of fuel vehicles by 2030, supported by a high percentage of clean energy installations [25][26]. Infrastructure Development - The launch of the Hainan 500 kV digital power grid marks a significant enhancement in the island's electricity transmission capacity [27]. - Ongoing infrastructure improvements are crucial for supporting the energy transition and ensuring stability in the power grid [27]. Conclusion - The closure operation is not merely about creating a shopping paradise but is set to transform Hainan into a hub of innovation and industrial development across various sectors [28].