CNOOC Ltd. has begun manufacturing within the Shenhai-1 Part II Pure Fuel Improvement Venture within the northern South China Sea, the sixth oil and fuel undertaking to be put onstream by the Chinese language state-backed firm in 2024.
The oil and fuel explorer and producer expects the Qiongdongnan Basin undertaking to succeed in 162 million cubic toes and three,931 barrels of condensate per day in peak manufacturing in 2025. CNOOC Ltd., majority-owned by China Nationwide Offshore Oil Corp. (CNOOC), goals to fee 12 growth wells within the second-phase undertaking.
“The undertaking has efficiently overcome the world-class problem of deepwater high-pressure oil and fuel reservoir growth”, CNOOC Ltd. chair Wang Dongjin mentioned in a press launch.
“It witnesses efficient large-scale conversion of reserves into manufacturing from the ‘South China Sea trillion-cubic-meters-level fuel area’, and gives secure provide of unpolluted vitality for the financial and social growth of South China.
“Sooner or later, CNOOC Restricted will speed up the event of recent high quality productiveness of marine vitality and strengthen the exploration and growth of deepwater oil and fuel assets, thereby additional contributing to the high-quality growth of China’s offshore oil trade”.
Shenhai 1 began operation June 2021 utilizing the world’s first deepwater semi-submersible oil manufacturing and storage platform, in keeping with the 100% operator.
The second-phase undertaking has a mean water depth of about 900 meters (2,952.8 toes). The manufacturing services embrace a brand new fastened manufacturing platform and three centralized subsea wellheads, CNOOC Ltd. mentioned.
Earlier this month CNOOC Ltd. mentioned the Liuhua 11-1/4-1 Oilfield Secondary Improvement Venture within the jap South China Sea had began manufacturing. It expects the undertaking, which consists of oilfields Liuhua 4-1 and Liuhua 11-1, to succeed in round 17,900 barrels of oil equal a day (boed) in peak output in 2026. CNOOC Ltd. goals to fee 32 wells within the undertaking.
Liuhua 11-1/4-1 is the primary oil undertaking in Asia “to be developed with the ‘Deepwater Jacket Platform + Cylindrical FPSO’ mode”, CNOOC Ltd. chief government and president Zhou Xinhuai mentioned in a media launch September 19. The manufacturing services embrace a brand new deepwater jacket platform and a cylindrical floating manufacturing, storage and offloading (FPSO) unit. Liuhua 11-1/4-1 has a mean water depth of round 305 meters (1,000.7 toes).
“The Firm has overcome numerous technological challenges to finish the undertaking”, Zhou mentioned.
“Whereas revitalizing the deepwater oilfields with unique oil in place over 100 million tons, the brand new mode has considerably diminished the development and manufacturing prices.
“It gives a Chinese language answer for the environment friendly growth of comparable deepwater oil and fuel fields”.
CNOOC Ltd., listed on the Shanghai Inventory Trade and the Hong Kong Inventory Trade, operates the undertaking with a 100% stake.
On September 4 it mentioned it had put on-line the Wushi 17-2 Oilfields Improvement Venture, situated within the Beibu Gulf in water depths of roughly 28 meters (91.9 toes) on common. CNOOC Ltd. expects the undertaking to attain about 9,900 boed in peak manufacturing in 2026. It plans to fee 43 growth wells within the undertaking, 28 of which might be manufacturing wells. CNOOC Ltd. operates the undertaking with an 80 p.c curiosity.
Within the first half of 2024 CNOOC Ltd. produced 362.6 million boe, a 9.3 p.c year-on-year enhance and the corporate’s highest manufacturing within the January–June interval.
Earlier than the three initiatives put onstream this month, CNOOC Ltd. began up three initiatives in 2024: the Suizhong 36-1/Luda 5-2 Oilfield Secondary Adjustment and Improvement Venture, the Bozhong 19-6 Fuel Discipline 13-2 Block 5 Effectively Website Improvement Venture and the Wushi 23-5 Oilfields Improvement Venture.
“Technological breakthroughs made the Firm extra aggressive available in the market”, CNOOC Ltd. mentioned in a monetary report August 28. “Progress in exploration idea and know-how guided the invention of a number of oil and fuel fields reminiscent of Lingshui 36-1, Bozhong 8-3 South and Longkou 7-1.
“By way of growth and development, Liuhua 11-1/4-1 Oilfield Secondary Improvement Venture adopted the progressive mode of ‘deep-water jacket platform + cylindrical FPSO’, making a brand-new answer for the environment friendly growth of deepwater oil and fuel fields in offshore China.
“For drilling and completion, the Firm drilled an ultra-deep additional prolonged attain nicely in Enping 21-4 oilfield, the primary one in every of its sort, setting new data for the deepest offshore drilling depth and horizontal size in offshore China. The nicely would considerably enhance manufacturing effectivity of the undertaking”.
On September 10 CNOOC Ltd. declared “the primary main exploration breakthrough in ultra-deepwater carbonate rocks offshore China” after drilling practically 3,000 meters (9,842.5 toes) deep into the Pearl River Mouth Basin.
The nicely sits in a water depth of practically 1,640 meters (5,380.6 toes) within the Baiyun Sag, the largest hydrocarbon sag within the Pearl River Mouth Basin. The whole depth was practically 4,400 meters (14,435.7 toes).
“Beforehand, exploration in China’s ultra-deepwater areas primarily targeted on clastic rocks”, the corporate’s chief geologist, Xu Changgui, mentioned then. “The success of this nicely has, for the primary time, revealed the big potential of carbonate rocks in China’s ultra-deep waters, marking important breakthroughs in each exploration understanding and operational methods”.
To contact the creator, electronic mail jov.onsat@rigzone.com