Back/CNOOC Launches Weizhou 11-4 Oilfield Production in South China Sea, Aiming for Sustainable Growth
china·December 3, 2025·ceo

CNOOC Launches Weizhou 11-4 Oilfield Production in South China Sea, Aiming for Sustainable Growth

ED
Editorial
Cashu Markets·3 min read
TL;DR
  • CNOOC launches production at Weizhou 11-4 Oilfield, enhancing oil capabilities in the South China Sea.
  • The project includes 35 wells, aiming for 16,900 barrels of oil equivalent per day by 2026.
  • CNOOC's strategy emphasizes efficiency and sustainability, addressing economic fluctuations and regulatory challenges.

CNOOC Commences Production at Weizhou 11-4 Oilfield Project in the South China Sea

CNOOC Limited officially launches production at its Weizhou 11-4 Oilfield Adjustment and Satellite Fields Development Project in the Beibu Gulf Basin of the South China Sea. This strategic project, which operates at an average water depth of approximately 43 meters, signifies a substantial step in CNOOC's commitment to enhancing its oil production capabilities in the region. The development employs existing infrastructure, including a newly constructed unmanned wellhead platform and a central processing platform, ensuring efficient resource utilization while minimizing environmental impact.

The Weizhou 11-4 project is designed to support a robust production strategy, with plans to drill a total of 35 development wells. This includes 28 production wells and 7 water injection wells, aimed at optimizing oil recovery. CNOOC anticipates reaching plateau production levels of around 16,900 barrels of oil equivalent per day by 2026, with the extracted oil being classified as light crude. This output will not only bolster CNOOC's production portfolio but also contribute to meeting regional energy demands, further solidifying the company's role as a key player in the oil and gas sector.

CNOOC's development strategy emphasizes a coordinated approach, incorporating "three offshore processing centers and one onshore terminal" to enhance operational efficiency and ensure a stable energy supply. With a 100% interest in the initiative, CNOOC demonstrates its commitment to advancing its presence in the South China Sea. However, the company acknowledges the inherent uncertainties in its projections, citing potential economic fluctuations, regulatory changes, and oil price variability as factors that could influence actual production outcomes. As the company moves forward, it remains focused on adapting to challenges while striving for sustainable growth in the energy market.

In addition to the Weizhou project, CNOOC continues to explore new opportunities for growth and innovation in offshore oil production. The company remains committed to leveraging its technological advancements and operational expertise to enhance production efficiency and minimize environmental impact. This commitment positions CNOOC as a leader in the transition towards more sustainable energy solutions within the industry.

As CNOOC embarks on this new phase of production, stakeholders and industry observers will closely monitor the project's progress and its implications for future developments in the South China Sea region. The strategic initiatives undertaken by CNOOC reflect a broader trend in the oil and gas sector, where companies increasingly focus on optimizing resource management while navigating a complex landscape of economic and regulatory challenges.