Company Overview - CNOOC Services Co., Ltd. is primarily engaged in oil and gas exploration, development, and production, with key business segments including drilling services (27.34% of revenue), oilfield technical services (57.26%), marine services (9.87%), and geophysical exploration services (5.53%) [1] - The company was established on December 25, 2001, and was listed on September 28, 2007 [1] Financial Performance - For the first half of 2025, CNOOC Services reported a revenue of 23.32 billion yuan, representing a year-on-year growth of 3.51%, and a net profit attributable to shareholders of 1.964 billion yuan, which is a 23.33% increase year-on-year [2] - CNOOC Services has distributed a total of 15.492 billion yuan in dividends since its A-share listing, with 2.866 billion yuan distributed over the past three years [3] Stock Performance - As of August 28, CNOOC Services' stock price increased by 2.05% to 14.47 yuan per share, with a market capitalization of 69.045 billion yuan [1] - Year-to-date, the stock has decreased by 3.66%, but has seen a 3.95% increase over the past 20 days and an 8.97% increase over the past 60 days [1] Shareholder Structure - As of June 30, 2025, the number of shareholders increased by 4.90% to 68,200, with an average of 0 circulating shares per person [2] - Major shareholders include Hong Kong Central Clearing Limited, which holds 12.1671 million shares, and several ETFs, with notable changes in holdings among the top ten shareholders [3]

中海油服今年以来股价跌4.05%，近5个交易日涨2.20%，近20日涨1.55%，近60日涨8.11%。 资料显示，中海油田服务股份有限公司位于河北省三河市燕郊经济技术开发区海油大街201号，成立日 期2001年12月25日，上市日期2007年9月28日，公司主营业务涉及石油及天然气勘探、开发及生产的各 个阶段,主要分为钻井服务、油田技术服务、船舶服务、物探勘察服务四大板块。主营业务收入构成 为：油田技术服务57.26%，钻井服务27.34%，船舶服务9.87%，物探采集和工程勘察服务5.53%。 8月27日，中海油服盘中下跌2.04%，截至13:20，报14.41元/股，成交1.38亿元，换手率0.32%，总市值 687.59亿元。 资金流向方面，主力资金净流出1874.27万元，特大单买入181.79万元，占比1.31%，卖出319.41万元， 占比2.31%；大单买入2389.36万元，占比17.25%，卖出4126.01万元，占比29.79%。 中海油服所属申万行业为：石油石化-油服工程-油田服务。所属概念板块包括：中特估、油气改革、证 金汇金、天然气、H股等。 责任编辑：小浪快报 分红方面，中海油服 ...

Group 1 - The Shanghai Composite Index rose by 1.51% to close at 3883.56 points, while the Hang Seng Index increased by 1.94% to 25829.91 points [1] - China Oilfield Services Limited (COSL) has an AH premium of 114.04%, ranking 20th among AH shares [1] - COSL's A-shares closed at 14.62 yuan, up by 1.39%, and H-shares closed at 7.46 HKD, increasing by 0.4% [1] Group 2 - COSL is a major integrated oilfield service provider globally, offering services across all stages of offshore oil and gas exploration, development, and production [1] - The company's business is divided into four main categories: geophysical exploration services, drilling services, oilfield technical services, and marine services [1] - COSL was publicly listed on the Hong Kong Stock Exchange on November 20, 2002, and has been trading in the U.S. OTC market since March 26, 2004, and on the Shanghai Stock Exchange since September 28, 2007 [1]

8月21日，上证指数涨0.13%，收报3771.1点，恒生指数跌0.24%，收报25104.61点。 中海油服AH溢价达110.56%，位居AH股溢价率第22位。当日收盘，中海油服A股报14.49元，涨幅 2.77%，H股报7.49港元，上涨4.61%。 资料显示，中海油田服务股份有限公司(中海油服,China Oilfield Services Limited或COSL)是全球较具规 模的综合型油田服务供应商。服务贯穿海上石油及天然气勘探,开发及生产的各个阶段。业务分为四大 类:物探勘察服务、钻井服务、油田技术服务及船舶服务。COSL于2002年11月20日公开发行H股,并在香 港联合交易所主板上市,股票编号:2883。2004年3月26日起,COSL之股票以一级美国存托凭证的方式在美 国柜台市场进行交易,股票编号为CHOLY。COSL于2007年9月28日在上海证券交易所上市,A股股票简称: 中海油服,股票编号:601808。 *注：AH股是指同时在A股和港股上市的公司，溢价（A/H）越大，说明H股相比A股越便宜。 本文源自：金融界 作者：行情君 ...

*注：AH股是指同时在A股和港股上市的公司，溢价（A/H）越大，说明H股相比A股越便宜。 本文源自：金融界 8月14日，上证指数跌0.46%，收报3666.44点，恒生指数跌0.37%，收报25519.32点。 中海油服AH溢价达111.03%，位居AH股溢价率第20位。当日收盘，中海油服A股报13.87元，跌幅 1.0%，H股报7.19港元，下跌0.28%。 资料显示，中海油田服务股份有限公司(中海油服,China Oilfield Services Limited或COSL)是全球较具规 模的综合型油田服务供应商。服务贯穿海上石油及天然气勘探,开发及生产的各个阶段。业务分为四大 类:物探勘察服务、钻井服务、油田技术服务及船舶服务。COSL于2002年11月20日公开发行H股,并在香 港联合交易所主板上市,股票编号:2883。2004年3月26日起,COSL之股票以一级美国存托凭证的方式在美 国柜台市场进行交易,股票编号为CHOLY。COSL于2007年9月28日在上海证券交易所上市,A股股票简称: 中海油服,股票编号:601808。 作者：行情君 ...

8月13日，上证指数涨0.48%，收报3683.46点，恒生指数涨2.58%，收报25613.67点。 中海油服AH溢价达112.57%，位居AH股溢价率第19位。当日收盘，中海油服A股报14.01元，平盘报 收，H股报7.21港元，上涨0.14%。 资料显示，中海油田服务股份有限公司(中海油服,China Oilfield Services Limited或COSL)是全球较具规 模的综合型油田服务供应商。服务贯穿海上石油及天然气勘探,开发及生产的各个阶段。业务分为四大 类:物探勘察服务、钻井服务、油田技术服务及船舶服务。COSL于2002年11月20日公开发行H股,并在香 港联合交易所主板上市,股票编号:2883。2004年3月26日起,COSL之股票以一级美国存托凭证的方式在美 国柜台市场进行交易,股票编号为CHOLY。COSL于2007年9月28日在上海证券交易所上市,A股股票简称: 中海油服,股票编号:601808。 *注：AH股是指同时在A股和港股上市的公司，溢价（A/H）越大，说明H股相比A股越便宜。 本文源自：金融界 作者：行情君 ...

Company Overview - China Oilfield Services Limited (COSL) is a major integrated oilfield service provider globally, offering services across all stages of offshore oil and gas exploration, development, and production [1] - COSL's business is divided into four main categories: geophysical exploration services, drilling services, oilfield technical services, and marine services [1] Stock Performance - On August 12, the Shanghai Composite Index rose by 0.5%, closing at 3665.92 points, while the Hang Seng Index increased by 0.25%, closing at 24969.68 points [1] - COSL's A-shares closed at 14.01 yuan, with an increase of 0.79%, while its H-shares closed at 7.2 Hong Kong dollars, up by 1.84% [1] A/H Share Premium - COSL's A/H share premium reached 112.43%, ranking it 22nd among A/H shares in terms of premium rate [1][2]

8月11日，上证指数涨0.34%，收报3647.55点，恒生指数涨0.19%，收报24906.81点。 中海油服AH溢价达114.89%，位居AH股溢价率第21位。当日收盘，中海油服A股报13.9元，跌幅 0.79%，H股报7.07港元，下跌0.28%。 资料显示，中海油田服务股份有限公司(中海油服,China Oilfield Services Limited或COSL)是全球较具规 模的综合型油田服务供应商。服务贯穿海上石油及天然气勘探,开发及生产的各个阶段。业务分为四大 类:物探勘察服务、钻井服务、油田技术服务及船舶服务。COSL于2002年11月20日公开发行H股,并在香 港联合交易所主板上市,股票编号:2883。2004年3月26日起,COSL之股票以一级美国存托凭证的方式在美 国柜台市场进行交易,股票编号为CHOLY。COSL于2007年9月28日在上海证券交易所上市,A股股票简称: 中海油服,股票编号:601808。 *注：AH股是指同时在A股和港股上市的公司，溢价（A/H）越大，说明H股相比A股越便宜。 本文源自：金融界 作者：行情君 ...

Group 1 - The Shanghai Composite Index rose by 0.96% to close at 3617.6 points, while the Hang Seng Index increased by 0.68% to 24902.53 points [1] - China Oilfield Services Limited (COSL) has an AH premium of 117.32%, ranking 22nd among AH shares [1] - COSL's A-shares closed at 13.87 yuan with a gain of 0.22%, and H-shares closed at 6.97 HKD, up by 0.58% [1] Group 2 - COSL is a major integrated oilfield service provider globally, offering services across all stages of offshore oil and gas exploration, development, and production [1] - The company's services are categorized into four main types: geophysical exploration services, drilling services, oilfield technical services, and marine services [1] - COSL was publicly listed on the Hong Kong Stock Exchange on November 20, 2002, and has been trading in the U.S. OTC market since March 26, 2004, and on the Shanghai Stock Exchange since September 28, 2007 [1]

Investment Rating - The report maintains a "Strong Buy" rating for CNOOC Services [4] Core Views - CNOOC Services achieved a total revenue of 48.3 billion yuan in 2024, representing a year-on-year growth of 9.5%. The net profit attributable to shareholders was 3.137 billion yuan, up 4.1% year-on-year. In Q1 2025, revenue reached 10.8 billion yuan, a 6.4% increase, with net profit soaring by 39.6% to 888 million yuan [1][10] Summary by Sections Drilling Services - The average daily revenue for semi-submersible drilling platforms increased to 143,000 USD, a rise of 7.5% year-on-year. The drilling segment generated 13.2 billion yuan in revenue, up 9.4% year-on-year. Despite a decrease in operational days due to typhoons, Q1 2025 saw an 11.4% increase in operational days, with semi-submersible daily rates maintaining a high level [2][3] Oilfield Technical Services - Revenue from oilfield technical services reached 27.655 billion yuan in 2024, up 7.4%, with the technical segment's contribution rising to 57%. The core business line showed improved operational volume and R&D efficiency, supporting resilient gross margins [2][3] Other Businesses - The ship service segment saw a significant increase in operational volume, up 33.8% in 2024 and 44.9% in Q1 2025. However, the geophysical segment experienced fluctuations due to project cycles, with a notable decline in Q1 2025 [3] Financial Health - The company improved its debt structure, with a decrease in current liabilities to 2.91 billion yuan, down 1.69% year-on-year. Operating cash flow was 11 billion yuan, a decline of 15.9% due to increased operating costs [3] Future Outlook - The company is expected to benefit from ongoing demand in deepwater and technical services, with a focus on international expansion and technological advancements. The projected net profits for 2025-2027 are 4.729 billion, 5.896 billion, and 7.487 billion yuan, respectively, with corresponding EPS of 0.99, 1.24, and 1.57 yuan [10][11]