The Jinzhou 23-2 oilfield in the northern Bohai Sea features two new processing platforms and plans for 67 wells, including 65 production wells. Credit: SINCHAI_B/Shutterstock.

China National Offshore Oil Corporation (CNOOC) has announced the commencement of production at the Jinzhou 23-2 oilfield development project.  

The project, wholly operated and owned by the company, is set to bolster energy supply in the Beijing-Tianjin-Hebei region.

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Located in the northern Bohai Sea at an average water depth of around 13m, the Jinzhou 23-2 oilfield is equipped with two new central processing platforms.

The development plan includes a total of 67 wells, comprising 65 production wells and two water source wells.

The field is expected to reach peak production of approximately 17,000boepd by 2027. The oil extracted from this field is characterised as heavy crude.

The Jinzhou 23-2 project employs an innovative steam stimulation and chemical auxiliary steam flooding technique to decrease the viscosity of the crude oil, which is expected to enhance reserve utilisation.

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In addition to the Jinzhou 23-2 oilfield, CNOOC has also initiated production at the Huizhou 26-6 oilfield development project in the Pearl River Mouth Basin, with an anticipated peak output of around 20,600boepd by 2027.

This project is situated at a depth of around 110m and is fully owned and operated by CNOOC.

Furthermore, CNOOC Petroleum North America, a subsidiary of CNOOC, began production at the Long Lake Northwest project in Canada in November.

This project utilises Steam Assisted Gravity Drainage operations and includes a new well pad, four pipelines and eight well pairs.

The expected peak production is around 8,200 barrels of crude oil per day by 2025.