Investment Rating - The report maintains a "Positive" outlook on the petrochemical industry, highlighting a recovery in PX supply-demand dynamics and PTA profitability restoration [3][5]. Core Insights - The PX market is expected to see a tightening supply-demand balance, with a recovery in operating rates from 78% in 2023 to over 85% as downstream PTA production ramps up in 2024-2025. This is anticipated to lead to a significant improvement in market conditions [5][6]. - PTA production capacity in China is projected to increase from 46.08 million tons in 2018 to 86.02 million tons by 2024, accounting for 75% of global capacity. The report indicates that there will be no new capacity additions post-2026, leading to a collaborative reduction phase in the industry [13][19]. - The upstream oil sector is experiencing rising oil prices, with Brent crude futures closing at $60.64 per barrel, reflecting a 0.28% increase week-on-week. This is expected to support the profitability of refining companies [5][26]. - The polyester sector is showing mixed performance, with PTA profitability increasing while polyester filament profits are declining. The report emphasizes the need to monitor demand changes closely [19]. Summary by Sections PX Market - PX supply-demand is tightening, with a forecasted increase in operating rates to over 85% due to no new capacity additions and seasonal maintenance in early 2026 [5][6]. - The report notes that the PX price has risen to $878.87 per ton, a week-on-week increase of 5.61% [19]. PTA Market - PTA production capacity is expected to reach 71.14 million tons in 2024, a 13% year-on-year increase. The report anticipates a collaborative reduction phase starting in 2026 due to no new capacity additions [13][19]. - PTA prices have shifted from a downward trend to an upward trend, with current prices in East China averaging 4,936 RMB per ton, reflecting a 6.94% increase week-on-week [19]. Upstream Oil Sector - Brent crude oil prices have increased, with a weekly average price of $61.91 per barrel, indicating a positive trend for upstream oil companies [5][26]. - The report highlights a decrease in the number of active drilling rigs in the U.S., with 545 rigs reported, a decrease of 44 year-on-year, suggesting a potential impact on future oil supply [41]. 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 major refining companies like Hengli Petrochemical and Rongsheng Petrochemical due to expected improvements in profitability [19].

Investment Rating - The report indicates a positive outlook for the petrochemical sector, with various indices showing significant weekly gains, particularly the polyester index which increased by 8.52% [9]. Core Insights - Oil prices experienced fluctuations due to geopolitical tensions and supply concerns, with WTI closing at $56.74 and Brent at $63.73 as of December 26, reflecting a week-on-week increase of $0.59 and $2.30 respectively [15][17]. - The report highlights that the U.S. is focusing on economic measures against Venezuela's oil exports, while tensions in the Gulf region, particularly with Saudi airstrikes in Yemen, contribute to market volatility [17]. - The report notes that the overall oil market remains influenced by geopolitical factors and supply-demand dynamics, with expectations of a potential peace agreement impacting market sentiment [17]. Summary by Sections Market Review - The petrochemical sector outperformed the Shanghai Composite Index, with a weekly increase of 3.18% [9]. - The oil and gas resource index rose by 3.35%, while the refining and chemical index saw a 4.16% increase [9]. Petrochemical Subsector Overview - **Oil**: The report indicates a mixed outlook with oil prices fluctuating due to geopolitical tensions and supply concerns. U.S. crude oil production is reported at 13.84 million barrels per day, with a decrease in net imports [15]. - **Refining**: The average refining margin for major refineries was reported at 663.63 yuan/ton, showing an increase of 49.75 yuan/ton from the previous period [15]. - **Polyester**: The report notes that polyester production is facing challenges with profitability, as the average profit for polyester POY150D was reported at -135.19 yuan/ton [15]. - **Olefins**: Ethylene prices remained stable at 6172 yuan/ton, while propylene prices decreased by 240 yuan/ton to 5715 yuan/ton [15]. Price Tracking - The report provides detailed tracking of various petrochemical product prices, indicating significant fluctuations in margins and costs across different segments [12][14].

Core Insights - The oil service engineering sector experienced a 0.5% increase on December 24, with Huibo Po leading the gains [1] - The Shanghai Composite Index closed at 3940.95, up 0.53%, while the Shenzhen Component Index closed at 13486.42, up 0.88% [1] Sector Performance - The following companies in the oil service engineering sector showed notable price changes: - Huibo Po (002554) closed at 3.33, up 2.46% with a trading volume of 553,500 shares and a transaction value of 181 million yuan [1] - China Oil Engineering (600339) closed at 3.37, up 1.51% with a trading volume of 230,100 shares and a transaction value of 77.02 million yuan [1] - Beiken Energy (002828) closed at 11.06, up 1.37% with a trading volume of 74,800 shares and a transaction value of 82.43 million yuan [1] - Other companies such as Zhonghai Aofeng (601808) and Bomai Ke (603727) also saw slight increases in their stock prices [1] Capital Flow - The oil service engineering sector saw a net outflow of 32.18 million yuan from institutional investors and 32.67 million yuan from retail investors, while there was a net inflow of 64.85 million yuan from individual investors [2] - The detailed capital flow for specific companies indicates varied investor behavior, with some companies experiencing significant net outflows from institutional and retail investors [3]

| 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 | | --- | --- | --- | --- | --- | --- | --- | --- | | 300164 通源石油 | | 1557.04万 | 5.95% | -513.68万 | -1.96% | -1043.37万 | -3.98% | | 002629 仁智股份 | | 671.06万 | 7.18% | -496.70万 | -5.32% | -174.36万 | -1.87% | | 002207 准油股份 | | 632.88万 | 6.69% | -158.74万 | -1.68% | -474.14万 | -5.01% | | 600583 海油工程 | | 505.53万 | 2.81% | -636.96万 | -3.54% | 131.43万 | 0.73% | | 603727 博迈科 | | 453.63万 | 11.71% | 27.97万 | 0.72% | -481.60万 | -12.44% | | 601808 中海油服 ...

来源：中国能源网 【美国原油供给】截至2025年12月12日当周，美国原油产量为1384.3万桶/天，较上周减少1.0万桶/天。 截至2025年12月19日当周，美国活跃钻机数量为406台，较上周减少8台。截至2025年12月19日当周，美 国压裂车队数量为160部，较上周减少8部。 【美国原油需求】截至2025年12月12日当周，美国炼厂原油加工量为1698.8万桶/天，较上周增加12.8万 桶/天，美国炼厂开工率为94.80%，较上周上升0.3pct。 【美国原油库存】截至2025年12月12日当周，美国原油总库存为8.37亿桶，较上周减少102.5万桶 （-0.12%）；战略原油库存为4.12亿桶，较上周增加24.9万桶（+0.06%）；商业原油库存为4.24亿桶， 较上周减少127.4万桶（-0.30%）；库欣地区原油库存为2086.2万桶，较上周减少74.2万桶（-3.43%）。 【美国成品油库存】截至2025年12月12日当周，美国汽油总体、车用汽油、柴油、航空煤油库存分别为 22562.7、1426.3、11850.0、4357.6万桶，较上周分别+480.8（+2.18%）、-192.1（-1 ...

证券研究报告 原油周报：国际油价下跌，关注地缘风险 大化工首席分析师：陈淑娴，CFA 执业证书编号：S0600523020004 联系方式：chensx@dwzq.com.cn 石化化工分析师：周少玟 执业证书编号：S0600525070005 联系方式：zhoushm@dwzq.com.cn 2025年12月21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 ◼ 1）原油价格：本周Brent/WTI原油期货周均价分别59.9/56.1美元/桶，较上周分别-1.9/-2.0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8.4/4.2/4.1/0.2亿桶，环比-103/- 127/+25/-74万桶。 ◼ 3）原油产量：美国原油产量为1384万桶/天，环比-1万桶/天。美国活跃原油钻机本周406台，环比-8台。美国活跃压裂 车队本周168部，环比-8部。 ◼ 4）原油需求：美国炼厂原油加工量为1699万桶/天，环比+13万桶/天；美国炼厂原油开工率为94.8%，环比+0.3pct。 ◼ 5）原油进出口量：美国原油进口量、出口量、净进口量为653/ ...

Investment Rating - The report maintains a "Positive" investment rating for the oil processing industry, consistent with the previous rating [1]. Core Insights - International oil prices experienced fluctuations, with Brent and WTI prices recorded at $60.05 and $56.52 per barrel respectively as of December 19, 2025, reflecting a decrease of 1.75% and 1.60% from the previous week [2][9]. - The geopolitical situation, particularly discussions around the Russia-Ukraine peace agreement and U.S. sanctions on Venezuela, has influenced market dynamics, leading to a mixed impact on oil prices [2][9]. - The oil and petrochemical sector showed resilience, with a 1.60% increase in the sector's performance compared to a 0.28% decline in the broader market (CSI 300) [10]. Summary by Sections Oil Price Review - As of December 19, 2025, Brent crude futures settled at $60.05 per barrel, down $1.07 (-1.75%), while WTI crude futures settled at $56.52 per barrel, down $0.92 (-1.60%) [2][17]. - The Urals crude price remained stable at $65.49 per barrel, while ESPO crude fell to $47.86 per barrel, down $1.77 (-3.57%) [2][17]. Offshore Drilling Services - The number of global offshore self-elevating drilling rigs increased to 375, with a net addition of 7 rigs, while floating drilling rigs rose to 131, with a net addition of 2 rigs [27]. U.S. Oil Supply - U.S. crude oil production was reported at 13.843 million barrels per day, a decrease of 10,000 barrels from the previous week [44]. - The active rig count in the U.S. decreased to 406, down by 8 rigs [44]. U.S. Oil Demand - U.S. refinery crude processing increased to 16.988 million barrels per day, with a utilization rate of 94.80%, up 0.3 percentage points from the previous week [55]. U.S. Oil Inventory - Total U.S. crude oil inventory stood at 837 million barrels, a decrease of 1.025 million barrels (-0.12%) from the previous week [62]. - Strategic oil reserves increased slightly to 412 million barrels, while commercial inventories decreased to 424 million barrels [62]. Related Companies - Key companies in the sector include China National Offshore Oil Corporation (CNOOC), China Petroleum & Chemical Corporation (Sinopec), and PetroChina, among others [3].

Investment Rating - The report does not explicitly state an investment rating for the oil processing industry Core Insights - The average global crude oil inventory change for 2026 is projected to be +204.90 thousand barrels per day according to IEA, EIA, and OPEC [2] - For Q4 2025, the average inventory change is expected to be +162.53 thousand barrels per day, showing a revision from previous forecasts [2] - Global crude oil supply for 2025 is forecasted at 10617.36, 10607.84, and 10470.71 thousand barrels per day by IEA, EIA, and OPEC respectively, indicating a year-on-year increase [2] - The global crude oil demand for 2025 is estimated at 10392.25, 10393.68, and 10513.66 thousand barrels per day by IEA, EIA, and OPEC respectively, reflecting a modest increase from 2024 [2] Summary by Sections Oil Supply - IEA, EIA, and OPEC predict global crude oil supply for 2026 to be 10865.02, 10742.59, and 10654.18 thousand barrels per day respectively, with increases from 2025 [2][35] - The Q4 2025 supply increase is projected at +414.30, +385.36, and +254.12 thousand barrels per day by IEA, EIA, and OPEC respectively [35] Oil Demand - The demand for 2026 is forecasted at 10478.51, 10516.87, and 10651.70 thousand barrels per day by IEA, EIA, and OPEC respectively, indicating a growth from 2025 [2][35] - The demand increase for Q4 2025 is expected to be +108.72, +130.72, and +152.22 thousand barrels per day by IEA, EIA, and OPEC respectively [4] Oil Prices - As of December 18, 2025, Brent crude, WTI, Russian ESPO, and Russian Urals prices are reported at 59.82, 56.00, 47.94, and 65.49 USD per barrel respectively, with significant declines observed over the year [9][10] - Year-to-date price changes show Brent down by -21.22%, WTI by -23.42%, and Russian ESPO by -33.37% [9][10] Oil Inventory - The global crude oil inventory change for 2025 is projected at +225.11, +214.16, and -42.95 thousand barrels per day by IEA, EIA, and OPEC respectively, with an average increase of +132.11 thousand barrels per day [26] - The U.S. total crude oil inventory as of December 12, 2025, stands at 83658.8 thousand barrels, reflecting a slight increase [19][20]

Investment Rating - The report indicates a positive outlook for the petrochemical sector, with the overall performance of the sector outperforming the Shanghai Composite Index by 1.57% this week [9]. Core Insights - Oil prices have remained volatile, influenced by geopolitical developments, particularly the progress in Russia-Ukraine negotiations and the fluctuating situation in Venezuela, which has led to a widening discount on Venezuelan oil [14]. - The average operating rate of domestic refineries is stable at 75.11%, while the average refining profit for major refineries is reported at 613.88 CNY/ton, showing a decrease from the previous period [3]. - The polyester sector is experiencing weak demand as the year-end approaches, with expectations of reduced operating rates for weaving machines [3]. - The ethylene market remains stable, with domestic prices holding steady, while propylene prices have seen a slight decline due to ample supply [3]. Summary by Sections Market Overview - The petrochemical sector has outperformed the Shanghai Composite Index, with various indices showing mixed performance, such as the polyester index increasing by 4.65% [9][10]. Oil and Gas Sector - As of December 18, WTI crude oil is priced at 56.15 USD, down by 1.45 USD, while Brent crude is at 61.43 USD, down by 0.95 USD. The U.S. commercial crude oil inventory decreased by 1.274 million barrels [14]. - The U.S. active oil rig count increased by 1 to 414 rigs, indicating a slight uptick in exploration activity [14]. Refining Sector - The average refining profit for major refineries is reported at 613.88 CNY/ton, a decrease of 31.59 CNY/ton from the previous period [3]. - The average operating rate for major refineries is stable at 75.11% [3]. Polyester Sector - The average profit for polyester products shows a decline, with POY150D at 38.35 CNY/ton, down by 71.09 CNY/ton, and FDY150D at -166.66 CNY/ton, down by 81.13 CNY/ton [3]. - PTA processing fees have slightly decreased to 156.51 CNY/ton, indicating ongoing challenges in profitability within the sector [3]. Olefins Sector - Ethylene prices remain stable at 6172 CNY/ton, while propylene prices in Shandong have decreased to 5955 CNY/ton, reflecting a 2.22% decline [3].

Core Insights - The article discusses the development status and investment strategies of China's deep-sea technology industry, highlighting the competitive landscape and key players in the sector [1][6]. Company Overview - Major listed companies in the deep-sea technology sector include China Shipbuilding (600150.SH), China National Offshore Oil Corporation (601808.SH), and Zhenhua Heavy Industries (600320.SH), among others [1][2]. - These companies cover a wide range of areas including high-end equipment manufacturing, oil and gas exploration services, and underwater communication and detection [1][6]. Financial Performance - In the first three quarters of 2025, China Shipbuilding led the sector with over 100 billion RMB in revenue, although it faced low overall gross margins of 12.6% [5][13]. - Companies like China Haifang and ShenKai Co. demonstrated high gross margins exceeding 35%, indicating strong technical barriers in their niche markets [5][13]. - The financial metrics reveal that many companies have ROE (Return on Equity) concentrated around 3%-4%, while some, like Juyi Rigging and China Haifang, reported ROE below 2% [10][13]. Business Strategies - Companies are focusing on integrating advanced technologies such as AI, big data, and smart manufacturing into their operations [15][17]. - Leading firms are accelerating the intelligent upgrade and green transformation of deep-sea equipment, while smaller companies are innovating in underwater robotics and new marine materials [15][17]. Regional and Global Expansion - Most companies are strategically positioned along China's coast and are expanding their reach globally, particularly in Southeast Asia, Europe, and the Americas [6][7]. - This regional layout aligns with national strategies for marine power and international industrial development [6][7]. Future Development Plans - Companies are planning to invest in new technologies and expand their product lines, focusing on sustainable practices and international market penetration [16][17]. - For instance, China Shipbuilding aims to enhance its market share through mergers and acquisitions, while Zhongtian Technology is expanding its global footprint in submarine cable and marine communication systems [16][17].