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A significant legal dispute has emerged between China's CNODC company and the Ministry of Energy of Kazakhstan, centering on a recent ministerial order that altered oil transit tariffs. CNODC is seeking to have the order declared unlawful, initiating a court process that could have financial implications for both parties.

The Core of the Dispute: Oil Transit Tariffs

The conflict stems from a Ministry of Energy order issued on April 8, 2025, which revised the tariffs for transporting 10 million tons of oil from Russia to China. This order directly impacts the operations of the Kazakhstan-China Pipeline LLP, a joint venture equally owned by KazTransOil and CNODC, which manages the Atasu-Alashankou and Kenkiyak-Kumkol pipelines.

Under the revised tariff structure, the rate for the Atasu-Alashankou section, from the Russian border through Kazakhstan to China, was set at 7.76 USD per ton, a reduction from the previous 10.77 USD. Conversely, the Priirtyshsk-Atasu section saw its tariff increase from 4.23 USD to 7.24 USD per ton, effective May 1, 2025.

A Complex Legal Journey

Despite calculations being made under the new tariff, CNODC filed a lawsuit in July 2025 to invalidate the Ministry's order. This initial claim was dismissed by the court, and a subsequent appeal was also unsuccessful. The company then pursued a separate claim to have the ministry's actions deemed illegal, but this case was initially not considered.

However, following an appeal, the case was reopened. On February 20, 2026, a court ruled that the ministry's rejection of CNODC's claims was unlawful and mandated that CNODC be allowed to review the case materials. Subsequently, on February 28, 2026, CNODC filed a new lawsuit with the Specialized Interdistrict Administrative Court of Astana, demanding the cancellation of the contested order against the Ministry of Energy.

The court accepted this latest lawsuit on March 2, 2026, and included KazTransOil and Kazakhstan-China Pipeline LLP as third parties. A preliminary hearing for this case has been scheduled for March 17, 2026.

Potential Financial Ramifications

While the exact financial impact of this legal battle remains uncertain, KazTransOil's management anticipates that the tariff recalculations will affect future operations but will not involve retroactive adjustments for past periods. Nurlan Zhumagulov, author for the Energy Monitor Telegram channel, suggested that the tariff review has led to a loss of revenue for the Chinese company, estimating potential losses of around 15 million dollars.

KazTransOil Reports Revenue Growth

In separate financial news, KazTransOil announced a consolidated revenue of 357.48 billion tenge for 2025, marking a 14.6% increase compared to 2024. The company's net profit also rose to 45.63 billion tenge, up 7.4% from the previous year.