Chevron-operated Tengiz oil field onshore Kazakhstan achieves 23% efficiency improvement

(WO) – Tengizchevroil LLP (TCO), a joint venture between Chevron, ExxonMobil, KazMunayGas and LukArco, has safely completed its planned turnaround maintenance work on two of five production trains at the Complex Technological Lines (KTL) plant at the Tengiz oil field in Kazakhstan.

The work was done within schedule and budget, according to an online statement. The 2024 KTL-1 turnaround achieved a 23% improvement in execution efficiency compared to the previous turnaround at KTL-1 in 2019.

The turnaround activities, which were conducted in accordance with Kazakhstan’s legislation and in alignment with international oil and gas standards, used industry-leading execution methodologies aimed at maintaining reliable base business performance.

"This year’s turnaround is an example of tremendous collaboration between TCO and our contractor partners. I am very proud of the skills and dedication of our workforce and their unwavering commitment to safety, efficiency, and excellence, all of which has enabled this turnaround to be a major success," - said Kevin Lyon, TCO General Director.

Over 7000 Kazakhstani employees participated in the turnaround, and 20 local contractor companies were able to implement several improvement activities focused on plant integrity and reliability.

Konilkosh Suyessinov, TCO Deputy General Director, said, "Throughout this turnaround, we continued to prioritize the involvement of Kazakhstani manufacturers and service providers. This approach not only supports safe and reliable operations but also contributes significantly to the development of local expertise."

The Tengiz oil field, and the smaller Korolev field, have a total recoverable resource estimate of 25 Bbbl of oil. Chevron is the operator, with a 50% in the project.