Tengizchevroil is a leading company in Kazakhstan that produces oil, gas and associated products that fuels the modern economy. Our history is closely interlinked with the rise of an independent Kazakhstan.We safely and reliably produce products that heat homes, fuel cars, support businesses and benefit society.Our primary purpose is to create value for the Republic of Kazakhstan, our four shareholders, the communities where we live and operate and ourselves. We are proud to contribute to the country’s economic progress and future.
Tengiz is located on the 2.500 square kilometer (1.600 square mile) project license area which includes the super giant Tengiz field, and a smaller but sizable Korolev field and several exploratory prospects.
(25 billion barrels)
(1,6 billion barrels)
Total recoverable crude oil in the Tengiz and Korolev fields is estimated to be 1.4 billion metric tonnes (11 billion barrels). The areal extent of the Tengiz reservoir is large, measuring 20 kilometers (12 miles) by 21 kilometers (13 miles).
Crude
(in tonnes)
LPG
(in tonnes)
Sulfur
(in tonnes)
(in US dollars)
(in US dollars)
Direct financial payments include Kazakhstani employees' salaries, purchases of Kazakhstani goods and services, tariffs and fees paid to state-owned companies, profit distributions to Kazakhstani shareholder and taxes and royalties paid to the government.
The TCO Way explains who we are, what we believe, how we achieve our mission and where we aspire to go. It establishes a common understanding of our values and behaviors not only for us, but for all who interact with us.
Our values define us and guide our actions in delivering results. We conduct our business in a socially and environmentally responsible manner, respecting the law and benefitting the communities where we work.
We are committed to excellence and passionate about delivering results. We strive for efficiency and continual improvement. We demonstrate TCO’s high-performance behaviors and hold ourselves accountable for our actions and results.
We are honest with ourselves and others. We earn trust by respecting and supporting each other and by operating with the highest ethical standards in all we do.
We build trusting, productive and collaborative relationships with government, our shareholders, communities, business partners, customers and each other. We are most successful when we succeed together.
We have an unwavering commitment to personal and process safety, and protecting the environment. We strive for incident free operations with a focus on preventing high consequence events.
TCO was recognized as the most attractive employer in Kazakhstan by the end of 2024. The company has received this award for the fourth year in a row. The rating was performed by an independent company as part of a large-scale study of perception of the employer’s brand “The Talentist. Employer brand perception” as per the order of ANCOR.
Tengizchevroil LLP (TCO) presents its key outcomes in the annual Corporate Responsibility Report 2024.
TCO management and subject matter experts and the Association of International Machine Building Center (IMBC) visited Shymkent in June 3-5, 2025. The visit was organized to promote cooperation with regional authorities and local factories and promote the growth of local production and localization.
TCO was recognized as the most attractive employer in Kazakhstan by the end of 2024. The company has received this award for the fourth year in a row. The rating was performed by an independent company as part of a large-scale study of perception of the employer’s brand “The Talentist. Employer brand perception” as per the order of ANCOR.
Tengizchevroil LLP (TCO) presents its key outcomes in the annual Corporate Responsibility Report 2024.
TCO management and subject matter experts and the Association of International Machine Building Center (IMBC) visited Shymkent in June 3-5, 2025. The visit was organized to promote cooperation with regional authorities and local factories and promote the growth of local production and localization.