Group 1 - The National Petroleum and Natural Gas Index (399439) has shown a slight increase of 0.30% as of May 19, 2025, with notable gains in constituent stocks such as Huajin Co. (000059) up by 3.62% and Lansi Heavy Industry (603169) up by 2.22% [1] - The Oil and Gas ETF (159697) has risen by 0.52%, currently priced at 0.97 yuan, indicating a positive trend in the oil and gas sector [2] - Recent innovations in key technologies for oil and gas exploration and development have positioned shale gas as a significant area for sustainable resource development in China, with major shale gas demonstration zones established in the Sichuan Basin [2] Group 2 - The Sichuan Basin has identified eight shale gas fields with a total resource volume of 16.5 trillion cubic meters, contributing to national energy security through the localization of critical equipment and tools [2] - East China Securities anticipates a recovery in trade, which will positively impact oil demand, predicting that oil prices may bottom out in the second quarter and recover thereafter, benefiting upstream resource companies [2] - Guoxin Securities highlights the vast potential for deep-sea oil and gas development in China's northern and central southern South China Sea, supported by relevant technological policies [2][3] Group 3 - As of April 30, 2025, the top ten weighted stocks in the National Petroleum and Natural Gas Index account for 66.65% of the index, with major players including China National Petroleum (601857) and China Petroleum & Chemical (600028) [3]

Investment Rating - The report maintains a positive outlook on the petrochemical industry, suggesting investment opportunities in key companies [3][5]. Core Insights - The EIA has continuously revised down its oil price forecasts for 2025 and 2026, now predicting an average of $66 and $59 per barrel respectively. The forecast for US natural gas prices is $4.1 and $4.8 per million British thermal units for the same years [6][7]. - Global oil demand growth is expected to remain stable, with IEA projecting increases of 740,000 and 760,000 barrels per day for 2025 and 2026 respectively. OPEC forecasts a demand increase of 1.3 million and 1.28 million barrels per day for the same years [10][11]. - On the supply side, OPEC is expected to contribute additional production, with EIA forecasting a global oil production increase of 1.38 million and 1.3 million barrels per day for 2025 and 2026 respectively [15][18]. Summary by Sections Upstream Sector - Brent crude oil futures closed at $65.41 per barrel, a 2.35% increase week-on-week. WTI futures rose by 2.41% to $62.49 per barrel [25]. - The US oil rig count decreased to 576, down by 2 from the previous week and down 28 year-on-year [38][41]. Refining Sector - The Singapore refining margin increased to $12.72 per barrel, while the US gasoline crack spread rose to $27.41 per barrel [6][19]. - The report anticipates improved refining profitability as oil prices adjust, with a gradual recovery expected as economic conditions improve [6][19]. Polyester Sector - PTA prices have risen, while PTA profitability has declined. The report notes that the overall performance of the polyester industry is average, with a potential improvement expected as new capacities come online [6][19]. Investment Recommendations - The report recommends focusing on high-quality refining companies such as Hengli Petrochemical, Rongsheng Petrochemical, and Dongfang Shenghong. It also suggests investing in companies with high dividend yields like China National Petroleum and CNOOC [21][22]. - For the downstream polyester sector, companies like Tongkun Co. and Wankai New Materials are highlighted as potential investment opportunities [21][22].

证券研究报告 原油周报：关税政策缓和，国际油价上涨 能源化工首席证券分析师：陈淑娴，CFA 执业证书编号：S0600523020004 联系方式：chensx@dwzq.com.cn 能源化工研究助理：周少玟 执业证书编号：S0600123070007 联系方式：zhoushm@dwzq.com.cn 2025年5月18日 请务必阅读正文之后的免责声明部分 投资要点 ◼ 【美国原油】 2 4 1. 原油周度数据简报 2. 本周石油石化板块行情回顾 3. 原油板块数据追踪 4. 成品油板块数据追踪 5. 油服板块数据追踪 6. 风险提示 目录 ◼ 1）原油价格：本周Brent/WTI原油期货周均价分别65.5/62.6美元/桶，较上周分别+3.5/+3.5美元/桶。 ◼ 2）原油库存：美国原油总库存、商业原油库存、战略原油库存、库欣原油库存分别8.4/4.4/4.0/0.2亿桶，环比+398/+ 345/+53/-107万桶。 ◼ 3）原油产量：美国原油产量为1339万桶/天，环比+2万桶/天。美国活跃原油钻机本周473台，环比-1台。美国活跃压 裂车队本周193部，环比-2部。 ◼ 4）原油需求：美国炼厂原油 ...

Investment Rating - The report maintains a positive outlook on the oil and petrochemical industry, suggesting investment opportunities in high-quality refining companies and upstream service providers [2][4]. Core Insights - The European refining sector is undergoing significant restructuring due to declining demand, aging facilities, and reduced profitability, with refining capacity decreasing by 4.2 million barrels per day since 2005, a drop of over 23% [4][5]. - The average age of European refineries is 66 years, significantly higher than the global average of 51 years, leading to increased maintenance costs and declining competitiveness [7][10]. - High natural gas prices continue to exert pressure on refinery profitability, with expectations that European gas prices will remain elevated, negatively impacting operational costs [10][12]. - Several refineries are expected to shut down in 2025, including Shell's Rheinland refinery and BP's Gelsenkirchen refinery, collectively removing 390,000 barrels per day of capacity [12][13]. Summary by Sections Upstream Sector - As of May 9, 2025, Brent crude futures closed at $63.91 per barrel, a week-on-week increase of 4.27%, while WTI futures rose by 4.68% to $41.02 per barrel [19]. - U.S. commercial crude oil inventories decreased by 2.032 million barrels to 438 million barrels, which is 7% lower than the five-year average for this time of year [21][22]. - The number of active drilling rigs in the U.S. decreased by 6 to 578, a year-on-year decline of 25 rigs [19][30]. Refining Sector - The Singapore refining margin for major products was $10.90 per barrel as of May 9, 2025, down by $6.31 from the previous week [53]. - The price spread for ethylene was $245.67 per ton, up by $30.80 from the previous week, while propylene saw a decrease in its price spread [4][50]. Polyester Sector - PTA prices increased to an average of 4551.67 RMB per ton, reflecting a week-on-week rise of 0.75% [4][50]. - The overall performance of the polyester industry remains average, with a need to monitor demand changes closely [4][50]. Investment Recommendations - The report suggests focusing on leading refining companies such as Hengli Petrochemical, Rongsheng Petrochemical, and Dongfang Shenghong due to expected improvements in cost structures and competitive positioning [4][14]. - It also highlights the potential for recovery in the valuation of companies like Satellite Chemical and Tongkun Co., given the anticipated easing of tariffs affecting polyester demand [4][14].

Investment Rating - The report maintains a positive outlook on the petrochemical industry for 2024 and Q1 2025, indicating a recovery in downstream refining and polyester sectors while upstream oil and gas sectors continue to perform well [1][20]. Core Insights - Oil prices experienced a decline in Q4 2024 followed by a slight recovery in Q1 2025, with Brent crude averaging $74.0 per barrel in Q4 2024, down 6.0% quarter-on-quarter and 10.7% year-on-year, and $75.0 per barrel in Q1 2025, up 1.3% quarter-on-quarter but down 8.3% year-on-year [1][20]. - The upstream oil and gas sector remains robust, with Q1 2025 revenues reaching CNY 16,413.7 billion, a 5.9% increase quarter-on-quarter despite a 6.8% year-on-year decline, and net profits of CNY 1,058.0 billion, up 63.9% quarter-on-quarter [1][20]. - Downstream refining and chemical sectors are showing signs of recovery, with Q1 2025 revenues of CNY 17,279.3 billion, a 4.9% increase quarter-on-quarter, and net profits of CNY 703.6 billion, up 64.1% quarter-on-quarter [1][20]. Summary by Sections Upstream Oil and Gas Sector - The upstream oil and gas sector continues to maintain high profitability, with Q1 2025 net profit margins at 20.6%, reflecting cost improvements from efficiency measures [1][20]. - The overall revenue for the upstream sector in Q4 2024 was CNY 15,497 billion, down 6.2% year-on-year, while Q1 2025 saw a revenue of CNY 16,413.7 billion, down 6.8% year-on-year but up 5.9% quarter-on-quarter [1][20]. Downstream Refining Sector - The downstream refining sector has shown recovery with Q1 2025 revenues of CNY 17,279.3 billion, down 7.3% year-on-year but up 4.9% quarter-on-quarter, and net profits of CNY 703.6 billion, reflecting a significant quarter-on-quarter increase [1][20]. - The gross margin for the refining sector in Q1 2025 was 17.4%, indicating a slight year-on-year improvement despite a quarter-on-quarter decline [1][20]. Price Trends and Margins - The report highlights that the price differentials for various petrochemical products have shown fluctuations, with Q4 2024 and Q1 2025 seeing changes in margins for products like propylene and acrylic acid [1][10][16]. - The Brent crude oil price is projected to maintain a mid-to-high level in 2025, with expectations of a "U" shaped recovery in oil prices, supporting the overall profitability of oil companies [1][20].

丨证券研究报告丨 联合研究丨公司点评丨海油工程（600583.SH） [Table_Title] 海上工作量显著提升，盈利能力持续改善 报告要点 [Table_Summary] 公司发布 2025 一季报， 2025 年一季度，公司实现营业收入 50.96 亿元，同比减少 10.15%； 利润总额达到 6.27 亿元，同比增加 11.17%；实现归母净利润 5.41 亿元，同比增加 13.85%。 公司稳步推进国内外油气工程建设，海上安装工作量提升显著；盈利能力持续改善，2025Q1 单 季度毛利率是 2020 年以来最高水平；新签订单趋缓，但在手订单充足未来工作量仍有保障； 海洋油气资源潜力巨大，中海油增储上产公司有望充分受益；大力发展深海科技，公司有望受 益。 分析师及联系人 [Table_Author] 请阅读最后评级说明和重要声明 %% %% %% %% research.95579.com 1 魏凯 赵智勇 王岭峰 臧雄 SAC：S0490520080009 SAC：S0490517110001 SAC：S0490521080001 SAC：S0490518070005 SFC：BUT964 SFC ...

Core Viewpoint - The delivery of China's first 50,000-ton tension jack towing system by CNOOC Engineering marks a significant breakthrough in domestic marine engineering equipment manufacturing, enhancing the country's capacity for loading large offshore oil and gas structures [1][2] Group 1: Equipment and Technology - The towing system consists of 10 units of 1,000-ton tension jacks, 4 units of 1,000-ton booster jacks, a power station, a control system, and fixed anchor points, capable of towing a maximum weight of 50,000 tons, equivalent to nearly 40,000 family cars [1] - The jacks utilize high-strength alloy materials, improving the tension coefficient by 20% compared to conventional materials, and increasing loading speed by 15% over similar international equipment [1][2] Group 2: Research and Development - The development of the large-tonnage tension jack system involves interdisciplinary technologies such as material mechanics, hydraulic control, and structural design, addressing challenges like high-strength material stability and lightweight control [2] - CNOOC Engineering collaborated with Liuzhou OVM Machinery Co., Ltd. to form a task force that successfully overcame over 10 key technologies in more than a year, innovating the "diesel direct drive with load-sensitive variable pump + proportional valve control" and 5G IoT technology [2] Group 3: Operational Efficiency - The newly developed intelligent control system, featuring "one central unit and multiple terminals," allows for remote monitoring and maintenance, achieving millimeter-level error control under high-speed conditions, enhancing operational safety by 40%, operational efficiency by 60%, and reducing energy consumption by 10% [2] - Over the past decade, CNOOC Engineering has completed the towing and loading of approximately 300 structures, including 34 structures weighing over 10,000 tons [2]

Investment Rating - The report maintains a positive outlook on the oil and petrochemical industry, indicating a "Buy" recommendation for key companies in the sector [2][12]. Core Insights - OPEC is expected to continue increasing production in June, with an additional 411,000 barrels per day from member countries, indicating a potential second bottom for oil prices [2][3]. - The report suggests that OPEC's current strategy is to test market limits, balancing production and price to optimize revenue for member countries [11]. - The upstream sector is experiencing a widening supply-demand trend, with expectations of downward pressure on oil prices, but a medium to high price range is anticipated due to OPEC's production adjustments and shale oil cost support [2][12]. Summary by Sections Upstream Sector - Brent crude oil futures closed at $61.29 per barrel, down 8.34% week-on-week, while WTI futures fell 7.51% to $58.29 per barrel [2][17]. - U.S. commercial crude oil inventories decreased by 759,000 barrels to 442 million barrels, which is 5% lower than the five-year average [19]. - The number of active U.S. drilling rigs decreased to 584, down 3 from the previous week and down 21 year-on-year [31][35]. Refining Sector - The Singapore refining margin for major products increased to $17.21 per barrel, up $6.27 from the previous week [2]. - The price spread for PTA in East China rose to 4,451.30 CNY per ton, reflecting a 1.94% increase week-on-week [12][51]. Polyester Sector - The PX market in Asia closed at $757 per ton, up 1.85% week-on-week, with the PX-naphtha spread increasing by $18.50 to $181.87 per ton [12][51]. - The overall performance of the polyester industry is average, with a need to monitor demand changes, but a gradual improvement is expected as new capacity comes online [12]. Investment Recommendations - The report recommends focusing on high-quality refining companies such as Hengli Petrochemical, Rongsheng Petrochemical, and Dongfang Shenghong due to improved cost expectations and competitive advantages [12]. - It also highlights the potential for valuation recovery in companies like Satellite Chemical, with favorable conditions for ethane-based ethylene production [12]. - For upstream exploration and development, companies like CNOOC and Haiyou Engineering are expected to benefit from high capital expenditure in offshore projects [12].

Core Viewpoint - The marine engineering equipment manufacturing industry in China is experiencing high-quality development, significantly supporting the marine economy and the construction of a maritime power. The industry is projected to achieve a value-added of 103.2 billion yuan in 2024, representing a growth of 9.1% compared to 2023 [1][20]. Group 1: Industry Overview - The marine oil and gas engineering equipment sector is crucial for the development of marine resources, with advancements in technology leading to the establishment of various standards and series of equipment [1][4]. - Recent achievements include the construction of significant marine equipment such as the FPSO "Ocean Oil 119" and the semi-submersible production and storage platform "Deep Sea No. 1" [1][20]. - The utilization rates of marine drilling equipment in China are notably higher than the global average, with mobile drilling equipment at 93% [1][20]. Group 2: Industry Development History - The marine oil and gas engineering equipment industry in China began in the 1960s, initially relying on imported technology and equipment. Over the decades, the industry has evolved, with significant advancements in domestic capabilities [6]. - The introduction of policies supporting equipment localization has led to breakthroughs in key technologies, particularly in deepwater and ultra-deepwater equipment [6][8]. Group 3: Industry Policies - The Chinese government has implemented various policies to support the marine engineering equipment sector, including plans to enhance the production capacity of marine engineering products and accelerate the development of new equipment [8][10]. - The Ministry of Industry and Information Technology has also promoted the integration of 5G technology in marine applications, enhancing operational efficiency [8][10]. Group 4: Industry Chain - The marine oil and gas engineering equipment industry chain consists of upstream design and raw material supply, midstream manufacturing, and downstream service provision to oil service companies and operators [11]. Group 5: Market Trends - The industry is expected to see continued demand growth, particularly in deepwater and unconventional resource development, driven by technological advancements and the push for sustainable practices [29][30][32]. - The focus on green technology and low-carbon solutions is becoming increasingly important, with a shift towards renewable energy equipment and environmentally friendly materials [30][32]. Group 6: Key Companies - Major players in the industry include CNOOC Engineering, CNOOC Services, and China Shipbuilding Industry Corporation, which dominate various segments of the marine oil and gas exploration and production equipment market [22][23]. - CNOOC Engineering is recognized as the largest marine oil and gas engineering contractor in the Asia-Pacific region, while CNOOC Services is a leading offshore drilling contractor [25][27].

证券研究报告 公司研究 [公司点评报告 Table_ReportType] [Table_StockAndRank] 海油工程(600583.SH) | | | [Table_Author] 左前明 能源行业首席分析师 执业编号：S1500518070001 联系电话：010-83326712 邮箱：zuoqianming@cindasc.com 胡晓艺 石化行业分析师 执业编号：S1500524070003 邮箱：huxiaoyi@cindasc.com 信达证券股份有限公司 CINDA SECURITIES CO.,LTD 北京市西城区宣武门西大街甲127号金隅大 厦B座 邮编：100031 25Q1 利润率创新高，公司业绩保持增长 [Table_ReportDate] 2025 年 4 月 28 日 [Table_S 事件：2025 ummar年y]4 月 25 日，海油工程发布 2025 年一季度报告，2025 年第 一季度，公司单季度营业收入 50.96 亿元，同比下降 10%，环比下降 46.5%；单季度归母净利润 5.41 亿元，同比上涨 14%，环比上涨 30%；单 季度扣非后净利润 4.77 ...