截至二零二五年十月八日，原定本次增持計劃期間已過半，實際增持金額合計未達到計 劃金額區間下限的50%，主要是受股票市場價格波動及資本市場整體趨勢等因素影響。中 國海油集團後續將依照本次增持計劃，以自有資金繼續擇機增持本公司股份。 茲提述本公司日期為二零二五年四月八日的公告（「該公告」），內容有關本公司控股股東 中國海洋石油集團有限公司（「中國海油集團」）增持本公司股份計劃。除非文義另有所 指，本公告所用詞彙與該公告所界定者具有相同涵義。現將有關進展公告如下： 於二零二五年四月九日至二零二五年十月八日期間，中國海油集團通過香港聯合交易所 有限公司系統場內交易方式增持本公司H股股份16,008,000股，約佔本公司已發行股份總 數的0.34%，增持金額累計約為人民幣8,098.17萬元（不含稅費）。上述增持實施後，中國 海油集團持有本公司合計2,426,857,300股股份，約佔本公司已發行股份總數的50.86%。 - 1 - 香港交易及結算所有限公司及香港聯合交易所有限公司對本公告的內容概不負責，對其 準確性或完整性亦不發表任何聲明，並明確表示，概不對因本公告全部或任何部分內容 而產生或因倚賴該等內容而引致的任 ...

Investment Rating - The report maintains a positive outlook on the oil and petrochemical industry, indicating a "Look Favorably" investment rating [4]. Core Insights - The global natural decline rates of oil and gas fields show significant differentiation, leading to a more concentrated future supply of oil and gas [4]. - The International Energy Agency (IEA) reports that the average annual decline rate for conventional oil is 5.6%, while for natural gas it is 6.8%. Without new investments, oil production is expected to decline by 8% annually over the next decade, and natural gas by 9% [5][12]. - The report highlights that nearly 90% of upstream investments are currently aimed at offsetting declines rather than meeting growth, indicating a need for substantial new investments to maintain current production levels [14]. Summary by Sections Upstream Sector - Brent crude oil futures closed at $64.53 per barrel, down 7.99% week-on-week, while WTI futures closed at $60.88 per barrel, down 7.36% [24]. - The number of active oil rigs in the U.S. increased by 7 to 549, although this is a decrease of 38 compared to the previous year [37]. - The report anticipates a widening supply-demand trend for crude oil, with expectations of downward pressure on prices, but a medium to high price range due to OPEC cuts and shale oil cost support [4]. Refining Sector - The comprehensive price spread for major refined products in Singapore rose to $21.72 per barrel, an increase of $8.14 from the previous week [59]. - The report suggests that refining profitability is expected to improve as oil prices adjust, with a gradual recovery anticipated as economic conditions stabilize [4]. Polyester Sector - The report indicates a recovery expectation for the polyester sector, with potential upward movement in profit margins as supply-demand dynamics improve [17]. - Key companies to watch include Tongkun Co., Ltd. and Wankai New Materials, which are expected to benefit from this recovery [17]. Investment Recommendations - The report recommends focusing on leading companies in the polyester sector, such as Tongkun Co., Ltd. and Wankai New Materials, as well as high-quality refining companies like Hengli Petrochemical and Sinopec [17]. - It also highlights the resilience of upstream exploration and development companies, particularly offshore service companies, which are expected to see performance improvements [17].

FF301 股份發行人及根據《上市規則》第十九B章上市的香港預託證券發行人的證券變動月報表 截至月份: 2025年9月30日 狀態: 新提交 致：香港交易及結算所有限公司 公司名稱: 中海油田服務股份有限公司 呈交日期: 2025年10月1日 I. 法定/註冊股本變動 | 1. 股份分類 | 普通股 | 股份類別 H | | | | 於香港聯交所上市 (註1) | | 是 | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 證券代號 (如上市) | 02883 | 說明 | | | | | | | | | | | 法定/註冊股份數目 | | | 面值 | | | 法定/註冊股本 | | | 上月底結存 | | | 1,811,124,000 | RMB | | 1 | RMB | | 1,811,124,000 | | 增加 / 減少 (-) | | | 0 | | | | RMB | | 0 | | 本月底結存 | | | 1,811,124,000 | RMB | | 1 | RMB | | 1,811,124,000 | ...

Investment Rating - The report maintains a positive outlook on the petrochemical industry, indicating a recovery in industry prosperity [3][5]. Core Viewpoints - The "Petrochemical Industry Steady Growth Work Plan" aims for an average annual growth of over 5% in the industry's added value from 2025 to 2026, with a focus on stabilizing economic benefits and enhancing technological innovation [4][5]. - The report highlights five key initiatives to achieve these goals, including strengthening technological innovation, expanding effective investment, and enhancing market demand [6][10]. - The upstream sector is experiencing a trend of widening supply and demand, with expectations of oil prices maintaining a medium to high level despite potential downward adjustments [4][18]. - The refining sector is seeing improved profitability due to a recovery in oil prices, although the current product price differentials remain low [4][45]. - The polyester sector shows signs of recovery, with expectations for improved profitability as supply and demand conditions improve [14]. Summary by Sections Upstream Sector - Brent crude oil prices increased to $70.13 per barrel, a 5.17% rise week-on-week, while WTI prices rose to $65.72 per barrel, up 4.85% [4][18]. - U.S. commercial crude oil inventories decreased to 415 million barrels, down 610,000 barrels from the previous week, and are 4% lower than the five-year average [20][22]. - The number of U.S. drilling rigs increased to 549, up 7 rigs week-on-week, but down 38 rigs year-on-year [28]. Refining Sector - The Singapore refining margin for major products fell to $13.54 per barrel, down $4.51 from the previous week [4]. - The report notes that while refining product price differentials have improved, they remain at low levels, with expectations for gradual improvement as the economy recovers [4][45]. Polyester Sector - PTA prices have stabilized, with the average price in East China at 4528.6 CNY per ton, down 1.69% week-on-week [4]. - The report anticipates a gradual improvement in the polyester industry as new capacity additions taper off in the coming years [14]. Investment Recommendations - The report recommends focusing on leading companies in the polyester sector, such as Tongkun Co. and Wankai New Materials, as well as high-quality refining companies like Hengli Petrochemical and Sinopec [14][15]. - It also suggests monitoring companies in the upstream exploration and development sector, which are expected to maintain high profitability due to sustained capital expenditures [14].

Market Performance - On September 24, the oil service engineering sector rose by 0.44% compared to the previous trading day, with Junyou Co., Ltd. leading the gains [1] - The Shanghai Composite Index closed at 3853.64, up 0.83%, while the Shenzhen Component Index closed at 13356.14, up 1.8% [1] Stock Performance - Junyou Co., Ltd. (002207) closed at 8.12, with a gain of 10.03% and a trading volume of 268,100 shares, amounting to a transaction value of 216 million [1] - Tongyuan Petroleum (300164) closed at 5.50, up 4.96%, with a trading volume of 1,355,600 shares, totaling 762 million [1] - Other notable performers include Keli Co., Ltd. (920088) with a 3.96% increase, Beiken Energy (002828) up 3.09%, and Zhongman Petroleum (603619) up 2.64% [1] Capital Flow - The oil service engineering sector saw a net inflow of 151 million from institutional investors, while retail investors experienced a net outflow of 96.89 million [1] - The detailed capital flow for key stocks indicates that Junyou Co., Ltd. had a net inflow of 106 million from institutional investors, while retail investors had a net outflow of 49.29 million [2] - Tongyuan Petroleum experienced a net inflow of 50.84 million from institutional investors, but a net outflow of 59.43 million from retail investors [2]

Core Insights - CNOOC Services has successfully deployed its self-developed OPUS eight-probe water-based electrical imaging logging instrument in the East Ba oilfield in Iraq, marking its commercial application in overseas markets [2] Technology and Innovation - The OPUS instrument features innovative designs such as a flexible short-section structure, a new hydraulic push system, and a "one-arm dual-probe" configuration, which enhance image clarity, wellbore coverage, and adaptability to well conditions [2] - The integration of electrical imaging circuits and orientation short sections into a single module reduces the instrument's length, lowers transportation difficulties, and improves operational flexibility and safety during downhole operations [2] Operational Impact - The eight-probe high coverage technology allows for the acquisition of more detailed stratigraphic information, providing a comprehensive reflection of downhole structures and reservoir characteristics, thus offering high-precision logging solutions for overseas markets [2] - The successful operation of OPUS provides valuable data support for fracture identification, sedimentary structure analysis, pore structure and heterogeneity description, and fluid pathway identification in the region [2]

Investment Rating - The report maintains a positive outlook on the polyester sector, recommending high-quality companies such as Tongkun Co. and Wankai New Materials, while also suggesting attention to major refining companies like Hengli Petrochemical and Rongsheng Petrochemical [3][33][49]. Core Insights - The report highlights a decline in oil prices in Q2 2025, with Brent crude averaging $66.7 per barrel, down 11.0% quarter-on-quarter and 21.5% year-on-year, impacting upstream oil and gas exploration and production [3][5][18]. - The downstream refining and chemical sector experienced a revenue drop of 10.4% year-on-year in Q2 2025, with net profits down 26.1% [33][35]. - The report notes a tightening supply-demand balance in the polyester sector, with expectations for improved profitability in the upcoming months as the industry enters a seasonal peak [3][51]. Summary by Sections Upstream Oil and Gas Sector - In Q2 2025, the oil and gas exploration and production sector reported revenues of 1,526.15 billion yuan, a decrease of 10.2% year-on-year, and net profits of 87.58 billion yuan, down 21.8% [17][19]. - The average gross margin for the sector was 20.1%, reflecting a decline due to falling oil prices [17][19]. Downstream Refining and Chemical Sector - The refining and chemical sector achieved revenues of 1,608.3 billion yuan in Q2 2025, a year-on-year decrease of 10.4%, with net profits also down 26.1% [33][35]. - The average gross margin for this sector was 16.9%, impacted by inventory losses due to declining oil prices and weak downstream demand [33][35]. Price Trends and Margins - The report indicates that the price spread for major petrochemical products showed mixed results, with some margins improving while others contracted [12][34]. - The PTA-PX price spread was reported at 219 yuan per ton, down 21% quarter-on-quarter, indicating pressure on the PTA segment [12][34]. Recommendations - The report suggests focusing on high-quality companies in the polyester sector, such as Tongkun Co. and Wankai New Materials, due to expected improvements in demand and profitability [3][51]. - It also recommends monitoring major refining companies like Hengli Petrochemical and Rongsheng Petrochemical, which may benefit from cost improvements and competitive advantages [3][49].

Investment Rating - The report maintains a "Positive" outlook on the petrochemical industry [2] Core Insights - In Q2 2025, crude oil prices experienced a decline, leading to a decrease in upstream oil and gas extraction and midstream refining profitability, while downstream polyester profitability showed signs of recovery [4][5] - The overall revenue for the oil and gas extraction and oilfield services sector in Q2 2025 was 1,526.15 billion, a year-on-year decrease of 10.2% and a quarter-on-quarter decrease of 7.1% [19][21] - The report highlights a tightening supply-demand situation in the downstream polyester sector, with expectations for improved market conditions [4] Summary by Sections Oil and Gas Prices - Brent crude oil average prices for April, May, and June 2025 were 66.5, 64.0, and 69.8 USD/barrel, respectively, with a Q2 average of 66.7 USD/barrel, reflecting an 11.0% decrease quarter-on-quarter and an 8.3% decrease year-on-year [4][20] - The report notes that gasoline and diesel prices were adjusted three times upwards and two times downwards, with total reductions of 155 CNY/ton and 150 CNY/ton, respectively [20] Upstream Oil and Gas Sector - The oil and gas extraction and oilfield services sector reported a total revenue of 1,526.15 billion in Q2 2025, with a net profit of 87.58 billion, marking a year-on-year decline of 21.8% [19][21] - The gross margin for the sector was 20.1%, down 0.7 percentage points year-on-year and 0.6 percentage points quarter-on-quarter, primarily due to falling crude oil prices [19][21] Downstream Refining and Chemical Sector - The refining and chemical industry achieved a total revenue of 1,608.3 billion in Q2 2025, with a net profit of 52 billion, reflecting a year-on-year decline of 26.1% [35][37] - The gross margin for the refining sector was 16.9%, down 0.3 percentage points year-on-year and 0.5 percentage points quarter-on-quarter, attributed to inventory losses from falling oil prices and weak downstream demand [35][37] Investment Recommendations - The report recommends focusing on high-quality companies in the polyester sector, such as Tongkun Co. and Wankai New Materials, as well as large refining companies like Hengli Petrochemical and Rongsheng Petrochemical [4] - It also suggests that the overall oil price is expected to maintain a mid-to-high level with a "U" shaped trend, recommending companies with high dividend yields like China National Petroleum and China National Offshore Oil [4]

Core Insights - Deep-sea resource development focuses on areas deeper than 200 meters, encompassing strategic resources such as minerals, energy, and biological resources, which are crucial for overcoming land resource limitations and ensuring national security [1][2] - The Chinese government has integrated deep-sea development into its national security strategy, designating it as a strategic emerging industry in the 2025 government work report, supported by a special fund of 50 billion yuan for marine economy [1][5] - The industry is projected to reach a scale of 3.25 trillion yuan by 2025 and exceed 5 trillion yuan by 2030, driven by significant growth in oil and gas development, mining, and biopharmaceutical sectors [1][9] Industry Overview - Deep-sea resource development involves exploration, extraction, and utilization of resources in deep-sea areas, aiming to acquire strategic resources through advanced technologies [2][3] - The sector is categorized into five main types: deep-sea mineral resources, oil and gas resources, biological resources, energy resources, and spatial resources [3] Development Drivers - National strategy and policy support are key drivers, with deep-sea development included in China's national security framework and significant funding allocated to support technological advancements [5][6] - The high dependency on foreign oil and gas, with over 70% reliance, necessitates deep-sea oil and gas development as a strategic solution to energy security [5][6] - Technological breakthroughs and domestic equipment manufacturing have positioned China to lead in deep-sea resource development, enhancing its global competitiveness [6][7] Current Industry Status - The deep-sea economy is rapidly growing, with the marine economy reaching 10.54 trillion yuan in 2024, driven by significant demand in deep-sea oil and gas and biological resource development [8][9] - The deep-sea oil and gas sector has seen substantial advancements, with the first ultra-deepwater gas field "Deep Sea No. 1" entering production, marking China's entry into the global first tier of deep-sea oil and gas development [10][11] Corporate Landscape - Major companies in the deep-sea resource development sector include China National Offshore Oil Corporation, China Shipbuilding Industry Corporation, and others, forming a comprehensive ecosystem from resource development to equipment manufacturing [13][14] - The industry is characterized by a full-chain ecosystem that integrates resource development, equipment manufacturing, technological innovation, and regional collaboration [13][14] Future Trends - The industry is expected to evolve towards technological integration and intelligence, with AI and quantum sensing driving automation and efficiency in exploration and extraction processes [15][16] - Environmental sustainability will become a core focus, with the adoption of eco-friendly technologies and the establishment of monitoring systems to minimize ecological impact [16][17] - Expansion into ultra-deepwater and polar regions will reshape the competitive landscape, necessitating international cooperation and standard-setting to address high costs and technical challenges [17][18]

Market Overview - The oil service engineering sector experienced a decline of 0.46% on September 16, with Tongyuan Petroleum leading the drop [1] - The Shanghai Composite Index closed at 3861.87, up 0.04%, while the Shenzhen Component Index closed at 13063.97, up 0.45% [1] Individual Stock Performance - Key stocks in the oil service engineering sector showed mixed performance, with Huibo Yin closing at 3.24, up 0.93%, and Beiken Energy closing at 10.56, down 1.68% [1][2] - The trading volume and turnover for notable stocks included: - Huibo Yin: 482,900 shares, turnover of 155 million yuan - Shihua Oil Service: 1,015,700 shares, turnover of 216 million yuan - Potential Energy: 55,400 shares, turnover of 112 million yuan [1][2] Capital Flow Analysis - The oil service engineering sector saw a net outflow of 198 million yuan from institutional investors, while retail investors contributed a net inflow of 153 million yuan [2][3] - Notable capital flows for specific stocks included: - Zhongyou Engineering: Institutional net inflow of 499,300 yuan, retail net inflow of 2,545,200 yuan - Beiken Energy: Institutional net outflow of 17,508,300 yuan, retail net inflow of 24,413,100 yuan [3]