According to the idea of playing coal, counting mines is a necessary basic skill. The information of each oilfield of PetroChina is not easy to check. First, we will sort it out as a whole to determine the approximate fat and thinness, and then find the information according to interest. Right to keep a record.
There is a lot of information, divided into several parts. The first part mainly talks about the oil fields of CNOOC in three regions in China.
Let’s unify the caliber first, and say that peak production is the total output of an oil field. The net daily output is the equity output.
1. Bohai Sea
1.1. Overall situation:
Production: In the Bohai Sea region, the production increased from 432,000 barrels per day to 522,000 barrels per day in the ten years from 2012 to 2022. The proportion of production increased from 29% to 34%.
Reserves: During the ten years from 2012 to 2022, the reserves increased from 1.165 billion barrels to 1.537 billion barrels. The proportion of reserves dropped from 36% to 29%.
The most important production area of CNOOC in Bohai Sea. The proportion of production reserves is the highest. Moreover, the average water depth of the Bohai Sea is low, generally 15-30 meters, and the operating cost is low.
The largest crude oil production base in China, with an annual output of over 30 million tons of crude oil.
Total production is expected to reach 40 million tonnes of oil equivalent in 2025.
The operating area with the lowest barrel oil cost
1.2. Some important oil fields in the Bohai Sea in recent years:
(1) Kenley 6-1:
In 2019, a large oil field with reserves of 100 million tons was discovered.
Among them, the 10-1 North Block of the 6-1 Oilfield has been put into production in September 2022, with a peak output of 7,100 barrels per day.
In the future, the source of increments in the Bohai Sea area: Kenli 6-1 Oilfield 5-1, 5-2, and 6-1 block development projects , with a peak output of 36,100 barrels per day. For projects currently under construction in 2022.
(2) Kenley 10-2
Important sources of increments in the Bohai Sea in the future : major discoveries in 2021, with proven crude oil reserves exceeding 100 million tons. Full production is expected in 2025.
(3) Caofeidian 6-4 Oilfield
In March 2021, the new “green oilfield” will be put into production. Peak production is 15,000 barrels per day .
(4) Caofeidian 11-1/11-6 Oilfield
More than ten years old oilfield, put into production after comprehensive adjustment and reconstruction in the second half of 2019, with a peak output of 28,700 barrels per day . CNOOC owns 51% of Caofeidian 11-1 oilfield and 60% of Caofeidian 11-6 oilfield
(5) Well block 6/11 of Jinzhou 25-1 Oilfield
Jinzhou 25-1 was originally an old oilfield that was put into production in 2009. Two newly opened wells were put into production in the second half of 2020, with a peak output of 16,500 barrels per day.
(6) Bozhong 13-2
The proven geological reserves in 2020 will be 100 million tons. It is another breakthrough in the buried hill after Bozhong 19-6, and an important source of increment in the Bohai Sea in the future.
The main area discovered in Bozhong 13-2 belongs to the Archaean buried hill, which is covered by very dense and thick Mesozoic strata, like a thick cotton hat on the top of the head. The two major problems of the migration mode are very difficult to solve, and the exploration depth is deep, so the exploration cost is very high.
(7) Bozhong 19-6
The largest natural gas field ever discovered in the Bohai Bay Basin, discovered in 2017, has proven geological reserves of more than 100 million cubic meters of condensate and more than 100 billion cubic meters of natural gas. In 2018, it was successfully evaluated as a large oil field. During the evaluation in 2019, the newly added proven geological reserves were nearly 200 million cubic oil equivalent, and the total proved geological reserves exceeded 300 million cubic oil equivalent.
An important source of incremental growth in the Bohai Sea in the future.
In the second half of 2020, the Bozhong 19-6 condensate gas field pilot area will be put into operation, with a peak daily output of 12,000 barrels of equivalent.
On March 26, 2022, the first-phase development project of Bozhong 19-6 condensate gas field started in Qingdao. It is understood that the gas field is the first 100 billion cubic meter gas field in the Bohai Bay of the People’s Republic of China. The first phase of the project is planned to be drilled in November 2022 and put into production in 2023.
(8) Bozhong 34-9 Oilfield
The first sandstone oil field under the influence of igneous rock in my country’s sea is developed relying on the existing facilities of Kenli Oilfield. It will be put into production in February 2020, and the peak daily output in 2022 is expected to be 22,500 barrels. It is an oilfield that is difficult to develop and increase production in the Bohai Sea.
(9) Penglai 19-9 Oilfield/19-3 Oilfield
CNOOC only holds 51% of the two old oil fields. 49% interest in ConocoPhillips. After comprehensive adjustment in 2017, the peak production of 19-9 was 13,000 barrels per day. After the completion of the comprehensive adjustment project in areas 1/3/8/9 of the Penglai 19-3 oilfield, the peak production in 2018 will be 36,200 barrels per day. Adjustment of Area 4 of Penglai 19-3 Oilfield/Peak production of Penglai 19-9 Oilfield Phase 2 in the first half of 2020 will be 12,700 barrels per day
(10) Lvda 16-3/21-2 joint development project
It will be put into production in the second half of 2022, and it is expected to achieve a peak output of 26,500 barrels of crude oil per day in 2022.
2. Western South China Sea
2.1. Overall situation:
Production: In the western part of the South China Sea, in the ten years from 2012 to 2022, the production has increased from 135,000 barrels per day to 196,000 barrels per day. The proportion of production increased from 9% to 13%.
Reserves: During the ten years from 2012 to 2022, the reserves increased from 620 million barrels to 850 million barrels. The proportion of reserves rose from 12% to 16%.
The proportion of production and reserves has increased . The main operating water depth is 40 meters to 1,500 meters.
In the company’s planning, it is an important strategy for the company to build a trillion-dollar atmospheric area in the South China Sea and help the development of the Guangdong-Hong Kong-Macao Greater Bay Area . In the future, the South China Sea will continue to invest and develop.
2.2. Some important oil fields in the western South China Sea in recent years:
(1) Shenhai No. 1 Gas Field (Lingshui 17-2)
It will be put into production in 2021, accounting for about 1/6 of CNOOC’s natural gas production. It was discovered by CNOOC in 2014, with proven natural gas reserves exceeding 100 billion cubic meters and an average water depth of 1,450 meters. Development and construction will begin in 2018, development wells will be drilled in 2019, and production will begin in 2021. It will supply more than 3 billion cubic meters of gas to the Qiong area of Guangdong, Hong Kong and Guangdong every year. It produces about 46,000 barrels of equivalent per day.
(2) Dongfang 13-2 gas field group
In 2020, the Dongfang 13-2 gas field, the largest self-operated high-temperature and high-pressure gas field offshore China, was successfully put into production, with an annual output of over 3.2 billion cubic meters of natural gas. It produces about 49,000 barrels of equivalent per day.
Dongfang Gas Field is an old gas field, which has maintained stable production and increased production for 19 years . The Dongfang gas field group includes four offshore gas fields, Dongfang 1-1, Dongfang 13-2, Ledong 22-1 and Ledong 15-1 gas fields, and the Dongfang terminal. Among them, Dongfang 1-1 gas field is China’s first self-operated 100 billion cubic meter gas field. It was constructed and put into use simultaneously with Dongfang Terminal in 2003, and it transports about 2.7 billion cubic meters of natural gas to Hainan every year. With the continuous deepening of oil and gas exploration in the Yinggehai Basin, the Ledong gas field group, which was put into production in 2009, transports 2 billion cubic meters of natural gas to Hainan every year.
3. The eastern part of the South China Sea
3.1. Overall situation:
Production: In the eastern part of the South China Sea, in the ten years from 2012 to 2022, production increased from 155,000 barrels per day to 305,000 barrels per day. The proportion of production has increased from 10% to 20%. The production share has the largest increase of all regions.
Reserves: During the ten years from 2012 to 2022, the reserves have increased from 550 million barrels to 660 million barrels. The proportion of reserves increased from 10% to 12%.
The proportion of production and reserves has increased . The main operating water depth is 100 meters to 1,500 meters.
However, in the South China Sea, the overall cost is still much higher than that of the Bohai Sea because of the water depth.
3.2. Some important oil fields in the eastern South China Sea
(1) Enping 23-1 Oilfield Group
It has been put into production in 2017 , with a peak daily output of 24,800 barrels.
(2) Enping 15-1/10-2/15-2/20-4 Oilfield Group Joint Development Project
In 2018, Enping 10-2 and Enping 15-2 were newly discovered, which were jointly developed with Enping 15-1 and built into a medium-sized oilfield. It will be put into production in 2022 , with a peak daily output of 35,500 barrels.
(3) Enping 20-5
The discovery in 2019 has the reserve foundation for the establishment of a medium-sized oilfield group.
(4) Regional Development of Lufeng Oilfield Group
Future increments: mainly include Lufeng 14-4 oilfield, Lufeng 14-8 oilfield, Lufeng 15-1 oilfield and Lufeng 22-1 oilfield, with an average water depth of about 140-330 meters. It is expected to achieve a peak output of about 46,000 barrels of crude oil per day in 2023.
(5) Lufeng 12-3
Future increments: Among them, Lufeng 12-3 oilfield is the largest commercial discovery in foreign cooperation in recent years, and it is expected to build a medium-sized oilfield
(6) Secondary development of Liuhua 11-1/4-1 oilfield
The project has an investment of 6.5 billion and is expected to be put into operation in 2023. Two old oil fields in Liuhua were put into production in 2007. The average water depth is 300 meters. Now that the production has dropped significantly, the plan has been redesigned and new wells have been opened.
(7) Liuhua 16-2 Oilfield Group
Liuhua 16-2 oil field group, the first self-operated deepwater oil field group in China’s seas, including Liuhua 16-2, Liuhua 20-2 and Liuhua 21-2 oil fields. Among them, the average water depth of Liuhua 21-2 oilfield is about 437 meters. It has been put into production in 2021, with a peak daily output of 15,070 barrels per day. Liuhua 16-2 Oilfield/Liuhua 20-2 Oilfield, with an average water depth of about 410 meters, is expected to achieve a peak output of 72,800 barrels of crude oil per day in 2022.
(8) Liuhua 29-1 Gas Field Development Project
The company cooperated with Husky Oil China Co., Ltd. to develop, following the Liwan 3-1 gas field and the Liuhua 34-2 gas field, the third deepwater gas field put into production in the South my country Sea. After the operation, the peak daily output reached 1.7 million cubic meters, or about 10,000 barrels of equivalent. 2020 put into production.
(9) Huizhou 26-6
Future increments: In 2020, the Oil and Gas Reserves Review Office of the Ministry of Natural Resources approved the proven geological reserves of Huizhou 26-6 oil and gas field to be 50 million cubic meters of oil equivalent, marking another major oil and gas discovery in China’s Pearl River Mouth Basin . It may become an important source of incremental growth in the eastern South China Sea.
(10) Huizhou 32-5 Oilfield Comprehensive Adjustment/Huizhou 33-1 Oilfield Joint Development Project
It was put into production ahead of schedule in 2019, with a peak daily output of 19,200 barrels.
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