Caofeidian 6-4

Caofeidian 6-4 Oil Field Profile

Location

The Caofeidian 6-4 Oil Field is located in the Bohai Sea, China, specifically in the western part of the Shijutuo Uplift in Bohai Bay. The approximate coordinates are 38.5074, 119.2016 (WGS 84).

Operator and Ownership

The field is operated and owned by CNOOC Limited (China National Offshore Oil Corporation), with CNOOC holding 100% ownership.

Discovery and Development

• The field was discovered in 2014.
• The Final Investment Decision (FID) details are not specified, but production began in 2021.

Production

• The field has achieved significant production levels:
  • Cumulative production as of 2023 is 12.58 million barrels of oil.
  • The production rate in 2021 was 5.47 million barrels per year, which increased to 7.81 million barrels per year by 2023.
  • The production design capacity is 5.47 million barrels per year as of 2023.
• Peak production was achieved in 2023, with the field recovering 17.09% of its total recoverable reserves as of that year.

Reserves and Economic Life

• The field is expected to continue production until it reaches its economic limit in 2053, based on current economic assumptions.

Geophysical Characteristics

• The field is situated in shallow water with an average water depth of approximately 20 feet (as per some sources) or 66 feet (as per other sources).

Oil Characteristics

• The field produces light crude oil, with the Caofeidian 6-4-1 well testing at a rate of 5,750 barrels per day.

Significance

• The Caofeidian 6-4-1 well has set three records in the western Bohai exploration area, highlighting its importance in the region.

Field Size

• The Caofeidian 6-4 structure is confirmed to be a mid-sized oil field.