CNOOC Ltd. continues a flurry of manufacturing ramp-up within the South China Sea, asserting Tuesday the beginning of manufacturing on the Xijiang 30-2 Oilfield Xijiang 30-1 Block Growth Undertaking.
That is the fifth oil and gasoline mission the state-backed firm has put onstream within the South China Sea this 12 months and the eighth throughout its portfolio in 2024. The opposite three are within the Bohai space of the Yellow Sea.
CNOOC Ltd., majority-owned by China Nationwide Offshore Oil Corp. (CNOOC), expects the Xijiang 30-2 Oilfield Xijiang 30-1 Block Growth Undertaking to succeed in about 26,000 barrels of oil equal a day (boed) in peak manufacturing in 2027. The output is medium crude, CNOOC Ltd., the only real developer within the mission, stated in a press release.
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The oil and gasoline exploration and manufacturing firm plans to fee 23 growth wells. The manufacturing amenities embody a brand new drilling platform. The mission has a median water depth of about 98 meters (321.5 ft).
Earlier this month CNOOC Ltd. stated it had begun manufacturing within the Bozhong 19-2 Oilfield Growth Undertaking in central Bohai Bay. It expects the mission to succeed in 18,800 barrels of heavy crude per day in peak manufacturing in 2025. CNOOC Ltd. goals to fee 59 growth wells, 34 of which might be for manufacturing.
“Good engineering and standardized building have remarkably decreased the mission’s building cycle”, CNOOC stated in a press launch October 8. “It has strongly promoted the environment friendly growth of offshore oil and gasoline assets and laid a stable basis for the manufacturing development within the Bohai oilfields, the biggest crude oil manufacturing base in China”.
Bozhong 19-2 has a median water depth of about 20 meters (65.6 ft). The manufacturing amenities embody a brand new central processing platform and 4 unmanned wellhead platforms. CNOOC Ltd. operates the mission with a 100% stake.
Late in September CNOOC Ltd. stated it had put on-line the Shenhai-1 Section II Pure Fuel Growth Undertaking within the northern South China Sea. It expects the Qiongdongnan Basin mission to succeed in 162 million cubic ft and three,931 barrels of condensate per day in peak manufacturing in 2025. CNOOC Ltd. goals to fee 12 growth wells within the second-phase mission.
“The mission has efficiently overcome the world-class problem of deepwater high-pressure oil and gasoline reservoir growth”, CNOOC Ltd. chair Wang Dongjin stated in a press release September 27.
“It witnesses efficient large-scale conversion of reserves into manufacturing from the ‘South China Sea trillion-cubic-meters-level gasoline area’, and gives steady provide of fresh vitality for the financial and social growth of South China.
“Sooner or later, CNOOC Restricted will speed up the event of latest high quality productiveness of marine vitality and strengthen the exploration and growth of deepwater oil and gasoline assets, thereby additional contributing to the high-quality growth of China’s offshore oil business”.
Shenhai 1 began operation June 2021 utilizing the world’s first deepwater semi-submersible oil manufacturing and storage platform, in accordance with the 100% proprietor.
The second-phase mission has a median water depth of about 900 meters (2,952.8 ft). The manufacturing amenities embody a brand new mounted manufacturing platform and three centralized subsea wellheads.
Earlier in September CNOOC Ltd. stated the Liuhua 11-1/4-1 Oilfield Secondary Growth Undertaking within the japanese South China Sea had began manufacturing. It expects the mission, which consists of oilfields Liuhua 4-1 and Liuhua 11-1, to succeed in round 17,900 boed in peak output in 2026. CNOOC Ltd. goals to fee 32 wells within the mission.
Liuhua 11-1/4-1 is the primary oil mission in Asia “to be developed with the ‘Deepwater Jacket Platform + Cylindrical FPSO’ mode”, CNOOC Ltd. chief govt and president Zhou Xinhuai stated in a information launch September 19. The manufacturing amenities embody a brand new deepwater jacket platform and a cylindrical floating manufacturing, storage and offloading (FPSO) unit. Liuhua 11-1/4-1 has a median water depth of round 305 meters (1,000.7 ft).
“Whereas revitalizing the deepwater oilfields with authentic oil in place over 100 million tons, the brand new mode has considerably decreased the development and manufacturing prices”, Zhou stated. “It gives a Chinese language resolution for the environment friendly growth of comparable deepwater oil and gasoline fields”.
CNOOC Ltd., listed on the Shanghai Inventory Trade and the Hong Kong Inventory Trade, is the only real developer.
On September 4 it stated it had began up the Wushi 17-2 Oilfields Growth Undertaking, situated within the Beibu Gulf in water depths of round 28 meters (91.9 ft) on common. CNOOC Ltd. expects the mission to realize about 9,900 boed in peak manufacturing 2026. It plans to fee 43 growth wells, 28 of which might be manufacturing wells. CNOOC Ltd. operates the mission with an 80 % stake.
Earlier than the 5 initiatives put onstream over the past two months, CNOOC Ltd. began up three initiatives in 2024: the Suizhong 36-1/Luda 5-2 Oilfield Secondary Adjustment and Growth Undertaking, the Bozhong 19-6 Fuel Subject 13-2 Block 5 Effectively Website Growth Undertaking and the Wushi 23-5 Oilfields Growth Undertaking.
“Technological breakthroughs made the Firm extra aggressive available in the market”, CNOOC Ltd. stated in a monetary outcomes report August 28. “Progress in exploration principle and know-how guided the invention of a number of oil and gasoline fields comparable to Lingshui 36-1, Bozhong 8-3 South and Longkou 7-1.
“By way of growth and building, Liuhua 11-1/4-1 Oilfield Secondary Growth Undertaking adopted the modern mode of ‘deep-water jacket platform + cylindrical FPSO’, making a brand-new resolution for the environment friendly growth of deepwater oil and gasoline 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 considered one of its kind, setting new data for the deepest offshore drilling depth and horizontal size in offshore China. The nicely would considerably enhance manufacturing effectivity of the mission”.
On September 10 CNOOC Ltd. declared “the primary main exploration breakthrough in ultra-deepwater carbonate rocks offshore China” after drilling almost 3,000 meters (9,842.5 ft) deep into the Pearl River Mouth Basin.
The nicely sits in a water depth of almost 1,640 meters (5,380.6 ft) within the Baiyun Sag, the most important hydrocarbon sag within the Pearl River Mouth Basin in accordance with the corporate. The entire depth was almost 4,400 meters (14,435.7 ft).
“Beforehand, exploration in China’s ultra-deepwater areas primarily targeted on clastic rocks”, the corporate’s chief geologist, Xu Changgui, stated 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 vital breakthroughs in each exploration understanding and operational strategies”.
Within the first half of 2024 CNOOC Ltd. produced 362.6 million boe, a 9.3 % year-on-year improve and the corporate’s highest manufacturing within the January–June interval.
To contact the writer, e-mail jov.onsat@rigzone.com
