Core Insights - China's first deepwater oil field, the Liuhua Oilfield, has fully commenced its secondary development project, achieving a daily crude oil production of 3,900 tons, setting a new production capacity record [1][4] - The project consists of 32 production wells and is expected to exceed one million tons in output next year [4] Group 1: Project Overview - The Liuhua Oilfield secondary development project is composed of the Liuhua 11-1 and 4-1 oil fields, located approximately 240 kilometers southeast of Shenzhen, with an average water depth of 305 meters [4] - The project includes a deepwater jacket platform, a cylindrical offshore oil and gas processing facility, and an underwater production system [4] Group 2: Production Achievements - Since the first production wells were put into operation in September of last year, the cumulative crude oil production has surpassed 900,000 tons [4] - The secondary development project marks a significant advancement in the development of deepwater complex reservoirs in China [1][4] Group 3: Technological Significance - The "Haiji No. 2" platform, which is the first deepwater jacket platform in Asia, incorporates multiple world-leading technologies and symbolizes the self-reliance and intelligence of China's marine engineering equipment [4] - The platform is equipped with high levels of intelligence, enabling smart oil and gas extraction, remote well control, and production during typhoons [4]

Core Viewpoint - The successful launch of the "Hai Ji No. 2" deepwater jacket platform marks a significant advancement in China's deepwater oilfield development, with the full production of the second phase of the Liuhua oilfield project [1] Group 1: Project Overview - The Liuhua oilfield second phase development project is located in the Pearl River Mouth Basin and consists of the Liuhua 11-1 and 4-1 oilfields, with an average water depth of approximately 305 meters [1] - The project is designed to produce from 32 production wells, and since the first wells were put into operation in September of the previous year, daily crude oil production has reached 3,900 tons, setting a new production capacity record [1] Group 2: Historical Context - The Liuhua oilfield is China's first deepwater oilfield and has the largest proven geological reserves of reef limestone oil in the country, having been in production since 1996 [1] - To date, the Liuhua oilfield has produced over 20 million tons of crude oil, with an estimated 140 million tons of crude oil reserves still hidden beneath the seabed [1]

Core Viewpoint - The successful full production of the Liuhua oil field's secondary development project marks a significant advancement in China's deepwater oilfield development capabilities, with daily crude oil production reaching 3,900 tons, setting a new record [1][5][30]. Group 1: Project Overview - The Liuhua oil field secondary development project consists of the Liuhua 11-1 and 4-1 oil fields, with an average water depth of 305 meters [3][20]. - The project includes 32 production wells, with a total drilling depth exceeding 75,000 meters, and aims to achieve an annual production of over 1 million tons by 2026 [1][19]. Group 2: Technological Innovations - The project utilizes advanced technologies, including a deepwater jacket platform and a cylindrical floating production storage and offloading unit, to enhance oil recovery and efficiency [9][22]. - The "Haiji No. 2" platform, a key asset in the project, incorporates 15 globally leading technologies and features a digital twin system for optimal maintenance strategies [13][15]. Group 3: Production Achievements - Since the first production wells were put into operation in September 2024, the project has produced over 900,000 tons of crude oil [3][5]. - The daily production rate has reached a new high, surpassing previous records set in the last 22 years of oil field operations [5][24]. Group 4: Industry Impact - The successful development of the Liuhua oil field represents a breakthrough in tackling the challenges of deepwater reef limestone oil reservoir extraction, which is recognized as a global technical difficulty [7][20]. - China's deepwater oil and gas exploration and development capabilities have made significant strides, with the country becoming one of the few able to independently conduct deepwater oil and gas exploration [26][30].

Core Insights - The successful deployment of the last production well on the "Hai Ji No. 2," Asia's first deepwater jacket platform, marks the full production launch of the Liuhua oilfield secondary development project, representing a significant advancement in China's deepwater complex reservoir development [1][2]. Group 1: Project Overview - The Liuhua oilfield secondary development project is located in the Pearl River Mouth Basin and consists of the Liuhua 11-1 and 4-1 oilfields, with an average water depth of approximately 305 meters [1][2]. - The project is designed to produce from 32 production wells, and since the first batch of wells was put into operation in September of the previous year, daily crude oil production has reached 3,900 tons, setting a new production capacity record [1][2]. Group 2: Technical Achievements - The Liuhua oilfield is China's first deepwater oilfield and has the largest proven geological reserves of reef limestone oil in the country, having produced over 20 million tons of crude oil since its inception in 1996, with an estimated 140 million tons of crude oil reserves still hidden beneath the seabed [1][2]. - The development of deepwater reef limestone reservoirs is recognized globally as a highly challenging task. Key to the secondary development of the Liuhua oilfield is the control of water and stabilization of oil, which has led to a significant reduction in the comprehensive water cut of the development wells compared to design expectations, thereby greatly enhancing the recoverable reserves and recovery rates, extending the field's lifespan by 30 years [3]. Group 3: Infrastructure - Major production facilities for the Liuhua oilfield secondary development project include the "Hai Ji No. 2" platform and Asia's first cylindrical FPSO (Floating Production Storage and Offloading) unit, "Hai Kui No. 1." Crude oil extracted is initially processed on the "Hai Ji No. 2" platform before being transported 2.5 kilometers to the "Hai Kui No. 1" for further processing and storage [2][3].

中新社北京12月14日电 (记者 王恩博)中国海油14日发布消息，随着亚洲第一深水导管架平台"海基二 号"最后一口生产井投用，中国首个深水油田流花油田二次开发项目实现全面投产，标志着中国在深水 复杂油藏开发领域实现重大跨越。 中国海油深圳分公司流花油田总经理江俊达表示，流花油田二次开发项目当前的生产运营效果，充分印 证了海上礁灰岩油田稳油控水技术的稳定可靠性和"深水导管架平台+圆筒型FPSO(浮式生产储卸油装 置)"开发模式的经济有效性，为"十五五"期间中国规模化效益化开发类似深水油气资源提供了可行方 案。(完) 12月14日，位于珠江口盆地的中国首个深水油田——流花油田二次开发项目实现全面投产。(中国海油 供图) 流花油田二次开发项目位于中国珠江口盆地，由流花11-1和4-1两个油田组成，区域平均水深约305米， 设计投产32口生产井，自去年9月首批井投用以来，日产原油攀升至3900吨，创下产能新纪录，开发效 果好于预期。 据中国海油深圳分公司流花油田主任工程师代玲介绍，控水稳油、提高采收率是流花油田实现二次开发 的关键所在。中国海油探索形成一套海上礁灰岩稳油控水技术体系，实现开发井综合含水率较设计大幅 下 ...

Core Insights - The successful launch of the "Hai Ji No. 2" deepwater jacket platform marks the full production of China's first deepwater oil field, the Liuhua oil field, which is significant for national energy security [1][3] Group 1: Project Overview - The Liuhua oil field is located in the Pearl River Mouth Basin and consists of the Liuhua 11-1 and 4-1 oil fields, with an average water depth of approximately 305 meters [1] - The project is designed to produce from 32 wells, with daily crude oil production reaching 3,900 tons, setting a new production capacity record since the first wells were put into operation in September of the previous year [1][3] Group 2: Technical Challenges and Innovations - Deepwater reef limestone reservoirs are recognized as one of the most challenging types of oil reservoirs to develop due to their complex internal structures [3] - Key strategies for the second development phase include precise control of oil column height, systematic improvement of water control effectiveness, and innovative measures such as "screen-blind combination" and "intelligent compartmentalization" [3] Group 3: Infrastructure and Production Capacity - The main production facilities include the "Hai Ji No. 2" platform and the "Hai Kui No. 1" FPSO, which processes and stores crude oil [4] - The "Hai Kui No. 1" has a total height of nearly 90 meters and a maximum oil storage capacity of 60,000 tons, capable of processing 5,600 tons of crude oil daily [4] Group 4: Economic and Operational Impact - The "Hai Ji No. 2" platform integrates over 300 systems for intelligent oil and gas extraction, significantly speeding up operations and increasing crude oil production by over 190,000 tons [5] - The operational success of the Liuhua oil field demonstrates the reliability of the water control technology and the economic effectiveness of the deepwater development model, contributing to China's goal of large-scale and efficient development of similar deepwater oil and gas resources [5]

Core Insights - The first deepwater oil field in China, the Liuhua Oilfield, has fully commenced its secondary development project, achieving a daily crude oil production of 3,900 tons, setting a new production capacity record [1] - This project marks a significant breakthrough for China in the development of deepwater complex oil reservoirs [1] Summary by Categories Project Overview - The Liuhua Oilfield secondary development project consists of the Liuhua 11-1 and 4-1 oil fields, with an average water depth of 305 meters [1] - Key production facilities include one deepwater jacket platform, one cylindrical offshore oil and gas processing plant, and one subsea production system [1] Production Achievements - Since the first production wells were put into operation in September of the previous year, the cumulative crude oil production has exceeded 900,000 tons [1]

Core Viewpoint - The successful full production of China's first deepwater oil field, the Liuhua Oilfield, marks a significant advancement in the development of deepwater complex oil reservoirs in the country [1] Group 1: Production Achievements - Daily crude oil production has reached 3,900 tons, setting a new capacity record for the oil field [1] - The oil field has achieved a production effect that exceeds expectations, with daily output reaching a 22-year high [1] Group 2: Infrastructure and Operations - Crude oil is initially processed on the "Haiji No. 2" platform before being transported to the "Haikui No. 1" offshore oil and gas processing plant, located 2.5 kilometers away, for further processing and storage [1] - A total of 25 shipments of crude oil have been delivered to onshore refineries to date [1]

Core Viewpoint - The successful full production of the second development project of the Liuhua Oilfield marks a significant advancement in China's deepwater complex reservoir development, achieving a record daily crude oil output of 3,900 tons and expected to exceed one million tons next year [1][3]. Group 1: Project Overview - The Liuhua Oilfield second development project consists of two oilfields, Liuhua 11-1 and 4-1, located at an average water depth of 305 meters, featuring a deepwater jacket platform and a cylindrical offshore oil and gas processing facility [1][5]. - Since the first production wells were put into operation in September last year, the project has produced over 900,000 tons of crude oil [1]. Group 2: Technological Innovations - The project employs innovative development models using deepwater jacket platforms and cylindrical floating production storage and offloading units, creating a stable oil-water control technology system [7][14]. - The "Haiji No. 2" platform, as the core equipment of the project, integrates multiple leading global technologies and is a symbol of China's autonomous and intelligent marine engineering equipment [7][9]. Group 3: Production Efficiency - The project has designed 32 production wells with a total drilling depth exceeding 75,000 meters, achieving a significant increase in crude oil production by over 190,000 tons through advanced drilling technologies [11]. - The implementation of new extraction processes and construction methods has effectively improved the oil recovery rate and extraction efficiency, extending the oilfield's lifespan by 30 years [14]. Group 4: Industry Impact - China's deepwater oil and gas exploration and development capabilities have made historic leaps, becoming one of the few countries capable of independently conducting deepwater oil and gas exploration [15][17]. - The deepwater oil and gas production capacity has surpassed 12 million tons of oil equivalent, significantly contributing to national energy security [17].

Core Viewpoint - The successful full production of the Liuhua Oilfield's secondary development project marks a significant advancement in China's deepwater oilfield development capabilities, with daily crude oil production reaching a record high of 3,900 tons and expected to exceed one million tons next year [1][3][15] Group 1: Project Overview - The Liuhua Oilfield secondary development project consists of the Liuhua 11-1 and 4-1 oilfields, located at an average water depth of 305 meters, featuring a deepwater jacket platform and a cylindrical offshore oil and gas processing facility [1][5] - Since the first production wells were put into operation in September last year, the project has produced over 900,000 tons of crude oil [1] Group 2: Technological Innovations - The project employs innovative development models using deepwater jacket platforms and cylindrical floating production storage and offloading units, creating a stable oil control and water management technology system [7][13] - The "Haiji No. 2" platform, Asia's first deepwater jacket platform, integrates over 300 advanced technologies and features a digital twin system for optimal maintenance strategies [9][11] Group 3: Production Efficiency - The project has designed 32 production wells with a total drilling depth exceeding 75,000 meters, achieving a significant increase in production efficiency and a reduction in water cut rates [11][13] - The secondary development has successfully extended the oilfield's lifespan by 30 years, demonstrating the effectiveness of the water control technology [13] Group 4: Industry Impact - China's deepwater oil and gas exploration and development capabilities have made historic leaps, with the country becoming one of the few able to conduct independent deepwater operations [15] - The deepwater oil and gas production capacity has surpassed 12 million tons of oil equivalent, contributing significantly to national energy security [15]