中海油服成立于2001年12月25日，于2007年9月28日在上海证券交易所上市，注册地址为天津，办公地址 在河北。它是全球最具规模的综合型油田服务供应商之一，核心业务覆盖石油及天然气勘探、开发及生产 各阶段，拥有稀缺的全产业链服务能力。 中海油服所属申万行业为石油石化 - 油服工程 - 油田服务，涉及油气改革、页岩气、可燃冰核聚变、超导 概念、核电等概念板块。其主营业务涵盖石油及天然气勘探、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。 经营业绩：营收行业第二，净利润第一 2025年三季度，中海油服实现营业收入348.54亿元，行业排名第2/8，高于行业平均数160.33亿元和中位数 18.66亿元，行业第一名石化油服营收为551.63亿元。主营业务构成中，提供服务224.1亿元占比96.10%，经 营租赁6亿元占比2.57%，销售商品3.1亿元占比1.33%。当期净利润33.91亿元，行业排名第1/8，高于行业 平均数9.33亿元和中位数2.52亿元，行业第二名海油发展净利润为29.25亿元。 资产负债率低于同业平均，毛利率高于同业平均 偿债能力方面，2025年三 ...

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]

Core Viewpoint - CNOOC Services experienced a decline in stock price and trading volume, with a market capitalization of 68.759 billion yuan as of August 27, 2023 [1] Group 1: Stock Performance - As of August 27, 2023, CNOOC Services' stock price was 14.41 yuan per share, down 2.04% [1] - Year-to-date, the stock price has decreased by 4.05%, with a 2.20% increase over the last five trading days, a 1.55% increase over the last 20 days, and an 8.11% increase over the last 60 days [1] Group 2: Financial Performance - For the first half of 2025, CNOOC Services reported revenue of 23.32 billion yuan, a year-on-year increase of 3.51%, and a net profit attributable to shareholders of 1.964 billion yuan, up 23.33% [2] Group 3: Shareholder Information - As of June 30, 2025, the number of shareholders increased to 68,200, a rise of 4.90% [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 last three years [3] - The top ten circulating shareholders include Hong Kong Central Clearing Limited, which reduced its holdings by 37.7625 million shares, and several ETFs that increased their holdings [3]

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]

Group 1 - The Shanghai Composite Index rose by 0.13% to close at 3771.1 points, while the Hang Seng Index fell by 0.24% to 25104.61 points [1] - China Oilfield Services Limited (COSL) has an AH premium of 110.56%, ranking 22nd among AH shares [1] - COSL's A-shares closed at 14.49 yuan, up 2.77%, and H-shares closed at 7.49 HKD, up 4.61% [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]

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 14, the Shanghai Composite Index fell by 0.46%, closing at 3666.44 points, while the Hang Seng Index decreased by 0.37%, closing at 25519.32 points [1] - COSL's A-shares closed at 13.87 yuan, down by 1.0%, and its H-shares closed at 7.19 Hong Kong dollars, down by 0.28% [1] - The A/H premium for COSL reached 111.03%, ranking it 20th among AH shares in terms of premium rate [1] Listing Information - COSL was publicly listed on the Hong Kong Stock Exchange on November 20, 2002, under the stock code 2883 [1] - The company began trading in the U.S. over-the-counter market as American Depositary Receipts (ADRs) on March 26, 2004, with the stock code CHOLY [1] - COSL's A-shares were listed on the Shanghai Stock Exchange on September 28, 2007, under the stock code 601808 [1]

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]