Production

Tengizchevroil is a leading company that produces oil, gas and associated products that fuels the modern economy. Our history is closely interlinked with the rise of an independent Kazakhstan.

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Complex Technology Line – KTL

Tengizchevroil inherited an oil and gas separation plant when it took over operations at Tengiz in 1993. This first generation of the Tengiz plant is ...

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Complex Technology Line – KTL

Tengizchevroil inherited an oil and gas separation plant when it took over operations at Tengiz in 1993. This first generation of the Tengiz plant is called the KTLs (Russian for Complex Technology Lines). TCO has invested in expanding and improving the KTLs over the life of the operation. Today, the KTLs consist of five oil and gas processing trains and are now significantly more efficient and environmentally friendly. Started up in 1991, KTL-1 consists of two trains and has the capacity of around 7,000 tons per day per train. KTL-2, which also has two trains with the same capacity was successfully completed and started up in 1996. Last KTL train 5 was put on production in 2001 along with first oil from Korolev field. The capacity of train 5 is around 11-12,000 tons, per day.

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Second Generation Plant – SGP

TCO's production capacity has risen with the commissioning of the Second-Generation Expansion Project in 2008, which includes the Second Generation Pl...

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Second Generation Plant – SGP

TCO's production capacity has risen with the commissioning of the Second-Generation Expansion Project in 2008, which includes the Second Generation Plant (SGP) and Sour Gas Injection (SGI) facilities. This expansion allowed TCO not only to double oil production in Tengiz, but also to improve the environmental performance and increase production efficiency. TCO completed the expansion in the third quarter of 2008, which brought daily capacity to 75,000 metric tons (600,000 barrels) of crude oil and 22 million cubic meters (750 million standard cubic feet) of gas. SGP stabilizes and sweetens crude oil, as well as separates and processes natural gas into gas products and elemental sulfur. SGP is the largest single sour crude processing train in the world.

SGP

Sour Gas Injection – SGI

SGI re-injects one third of produced sour gas back into the Tengiz reservoir at very high pressures to maintain reservoir pressure. The injection comp...

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Sour Gas Injection – SGI

SGI re-injects one third of produced sour gas back into the Tengiz reservoir at very high pressures to maintain reservoir pressure. The injection compressor is like no other compressor in the world and represents the state of the art in sour gas injection technology. SGI enables about 25% of total TCO oil production as well as pressure maintenance to reservoir.

SGI

Tengizchevroil produces liquefied petroleum gas (LPG), dry gas and sulfur in addition to crude oil.

Products

Safety

TCO maintains a leading position in the field of industrial safety in terms of such standard indicators as lost working days incidents and the rate of reported incidents.

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Safety

TCO continues to achieve industry-leading safety results in standard industrial safety measurements such as Serious Incidents and Total Recordable Incidents.

Emergency Response And Oil Spill Readiness

Tengizchevroil meets the highest standards of Product Stewardship practices through managing safe transportation and quality control for its sales....

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Emergency Response and Oil Spill Readiness

Tengizchevroil meets the highest standards of Product Stewardship practices through managing safe transportation and quality control for its sales. A dedicated team of professionals focus on assessment and mitigation of potential health, environmental, safety, and quality risks for the entire product life cycle. This team promotes use of industry product stewardship best practices with customers and service providers through safety and technical audits. The Caspian Pipeline Consortium (CPC) is the primary route for TCO’s oil production. The 1,500 km long pipeline connects TCO’s Tengiz field to CPC’s terminal on the Black Sea.TCO also maintains contingent pipeline access to the Baltic Pipeline System and rail access to an oil terminal in Odessa, Ukraine. All LPG and sulfur shipments are delivered to customers and terminals via rail transportation routes.

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Working safely is a TCO core value and everyone's responsibility

In 2021, TCO employees and contractors worked over 123 million man-hours with 10 Days Away from Work incidents...

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Working safely is a TCO core value and everyone’s responsibility

In 2021, TCO employees and contractors worked over 123 million man-hours with 10 Days Away from Work incidents. While this is solid performance, TCO strives for zero workplace injuries and is continuously working to improve in this area. Living this commitment will ensure success in fatality prevention and process safety, the two cornerstones to incident-free construction and operations.

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Actions to prevent COVID-19 spread

TCO stays vigilant, acts responsibly and is cautious about the health and hygiene of each person and uses preventive measures to keep the workforce safe...

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Actions to prevent COVID-19 spread

TCO stays vigilant, acts responsibly and is cautious about the health and hygiene of each person and uses preventive measures to keep the workforce safe. We continue to record additional DAFW/ Medical cases associated with COVID-19 outbreak. In 2022, TCO started to return to the workplaces keeping the Rotational, 5/2 and Hybrid Working methods.

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Occupational Health and Safety Management Process

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Process Scope

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Working with TCO as a Business Partner

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Protection of people

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Occupational Health and Safety Management Process

The Contractor Health, Environment and Safety Management Process establishes clear accountabilities, ensures active engagement of contractors, and provides a consistent CHESM program to eliminate health, safety and environment (HSE) incidents and injuries involving contractors.

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Process Scope

The requirements and activities included in CHESM process are focused on defining TCO expectations regarding contractor HSE performance, the qualification of contractors and the monitoring of contractor performance against expectations.

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Working with TCO as a Business Partner

Contractors involved in activities presenting risks to workforce and process safety are subject to CHESM Qualification to evaluate HSE Management Systems and ensure adequate safeguards are in place and functioning before starting work at TCO Facilities.

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Protection of people

TCO's work is guided by two key principles: do it safely or not at all and there is always time to do it right. Every employee of TCO and its Business Partner companies is responsible for making sure that work can be safely started. Each person has the right to temporarily suspend or completely stop any work if unsafe behavior or conditions are observed. The TCO Safe Work Practices Management Group, together with other teams, ensure that Occupational Safety and Health (OSH) guidelines and procedures are continuously implemented and maintained.

TCO News

All TCO News

TCO Participates in Oil and Gas Mechanical Engineering Forum and Operators’ Open House in Uralsk

Oct 16, 2026, 11:00 by Uteshev, LLP]
Tengizchevroil LLP (TCO) participated in the Oil and Gas Mechanical Engineering Forum and Operators’ Open House organized by the International Center for Oil and Gas Machinery Development (IMBC) in partnership with the Ministry of Energy of the Republic of Kazakhstan.

Tengizchevroil LLP (TCO) participated in the Oil and Gas Mechanical Engineering Forum and Operators’ Open House organized by the International Center for Oil and Gas Machinery Development (IMBC) in partnership with the Ministry of Energy of the Republic of Kazakhstan.

The event brought together representatives of government agencies, oil and gas operators, domestic manufacturers, service providers, and industry organizations to discuss the future development of Kazakhstan’s oil and gas mechanical engineering sector, strengthen the country’s manufacturing capacity, and expand opportunities for Kazakhstani companies to participate in major oil and gas projects.

The program included plenary sessions, meetings between operators and current and potential suppliers, as well as an Open House event where participants learned about upcoming procurement opportunities and supplier requirements for the country’s largest oil and gas projects.

Prior to the forum, representatives of government agencies, IMBC, and oil and gas operators visited several industrial enterprises in the West Kazakhstan Region. During these visits, participants reviewed the manufacturing capabilities of regional companies and discussed opportunities to increase localization, expand cooperation, and develop new industries supporting Kazakhstan’s oil and gas sector.

 “The contribution of IMBC to the development of oil and gas machinery manufacturing deserves special recognition. Over its five years of operation, the center has become an important link between major operators and Kazakhstani enterprises, supporting the localization of production and expanding the participation of domestic companies in oil and gas projects. To further support local content development efforts, and as part of the approved five-year development program, the Ministry has signed a memorandum on continued cooperation to enhance local content in goods, works, and services under the Tengiz Project,” said Yerlan Akbarov, Vice Minister of Energy of the Republic of Kazakhstan.

Since its establishment, TCO's spending on Kazakhstani suppliers has exceeded US$53.3 billion. During the first eight months of 2026, TCO procured goods, works, and services worth approximately US$1.5 billion, of which US$1.1 billion, or 72%, was awarded to Kazakhstani suppliers. The highest level of local content was achieved in the categories of works and services, where the share of Kazakhstani content reached 86% and 92%, respectively. In addition, in 2025 TCO achieved a strong local content performance of 71%, driven by increased procurement volumes from domestic manufacturers and suppliers.

Speaking at the forum, TCO General Director Billy Lacobie highlighted the importance of developing local manufacturers to support the long-term sustainable growth of Kazakhstan’s oil and gas industry.

“The development of Kazakhstani suppliers and manufacturers remains one of TCO’s key priorities and an important part of our commitment to creating long-term value for Kazakhstan. Over the years, local companies have significantly strengthened their production capabilities, improved the quality of their products and services, and expanded their expertise in line with international industry standards. We continue to see more examples of Kazakhstani businesses successfully participating in major oil and gas projects, manufacturing new products, providing specialized services, and becoming reliable partners not only for TCO but for the broader industry,” said Billy Lacobie.

The West Kazakhstan Region remains an important source of suppliers for TCO. The company collaborates with regional enterprises across various categories, including oil and gas equipment, chemical products, thermal insulation materials, personal protective equipment, and specialized services.

As part of TCO’s Kazakhstan Content Development Strategy for 2025-2029, agreed with the Ministry of Energy of the Republic of Kazakhstan, an interregional visit to the West Kazakhstan Region was organized in the first half of 2026. The initiative aimed to strengthen cooperation with regional authorities, assess the capabilities of local manufacturers, and explore opportunities for their further participation in TCO’s operations.

During the visit, TCO representatives met with regional leadership and business community representatives, visited 17 manufacturing facilities, and reviewed products and services offered by Kazakhstani companies serving the oil and gas industry.

Over the past three years, TCO’s total procurement of goods, works, and services from companies based in the West Kazakhstan Region amounted to approximately US$184 million. In addition, companies from the region actively participated in the execution of the Future Growth Project and Wellhead Pressure Management Project at Tengiz. The total value of contracts awarded to West Kazakhstan-based enterprises under these projects reached US$118 million.

In 2025, TCO also conducted interregional working visits to Shymkent and the Abai, East Kazakhstan, and Mangystau regions.

The Forum and Operators’ Open House once again demonstrated the importance of close collaboration among government, oil and gas operators, and domestic manufacturers in advancing Kazakhstan’s industrial development and creating new opportunities for local businesses.

TCO Participates in Oil and Gas Mechanical Engineering Forum and Operators’ Open House in Uralsk

Oct 16, 2026, 11:00 by Uteshev, LLP]
Tengizchevroil LLP (TCO) participated in the Oil and Gas Mechanical Engineering Forum and Operators’ Open House organized by the International Center for Oil and Gas Machinery Development (IMBC) in partnership with the Ministry of Energy of the Republic of Kazakhstan.

Tengizchevroil LLP (TCO) participated in the Oil and Gas Mechanical Engineering Forum and Operators’ Open House organized by the International Center for Oil and Gas Machinery Development (IMBC) in partnership with the Ministry of Energy of the Republic of Kazakhstan.

The event brought together representatives of government agencies, oil and gas operators, domestic manufacturers, service providers, and industry organizations to discuss the future development of Kazakhstan’s oil and gas mechanical engineering sector, strengthen the country’s manufacturing capacity, and expand opportunities for Kazakhstani companies to participate in major oil and gas projects.

The program included plenary sessions, meetings between operators and current and potential suppliers, as well as an Open House event where participants learned about upcoming procurement opportunities and supplier requirements for the country’s largest oil and gas projects.

Prior to the forum, representatives of government agencies, IMBC, and oil and gas operators visited several industrial enterprises in the West Kazakhstan Region. During these visits, participants reviewed the manufacturing capabilities of regional companies and discussed opportunities to increase localization, expand cooperation, and develop new industries supporting Kazakhstan’s oil and gas sector.

 “The contribution of IMBC to the development of oil and gas machinery manufacturing deserves special recognition. Over its five years of operation, the center has become an important link between major operators and Kazakhstani enterprises, supporting the localization of production and expanding the participation of domestic companies in oil and gas projects. To further support local content development efforts, and as part of the approved five-year development program, the Ministry has signed a memorandum on continued cooperation to enhance local content in goods, works, and services under the Tengiz Project,” said Yerlan Akbarov, Vice Minister of Energy of the Republic of Kazakhstan.

Since its establishment, TCO's spending on Kazakhstani suppliers has exceeded US$53.3 billion. During the first eight months of 2026, TCO procured goods, works, and services worth approximately US$1.5 billion, of which US$1.1 billion, or 72%, was awarded to Kazakhstani suppliers. The highest level of local content was achieved in the categories of works and services, where the share of Kazakhstani content reached 86% and 92%, respectively. In addition, in 2025 TCO achieved a strong local content performance of 71%, driven by increased procurement volumes from domestic manufacturers and suppliers.

Speaking at the forum, TCO General Director Billy Lacobie highlighted the importance of developing local manufacturers to support the long-term sustainable growth of Kazakhstan’s oil and gas industry.

“The development of Kazakhstani suppliers and manufacturers remains one of TCO’s key priorities and an important part of our commitment to creating long-term value for Kazakhstan. Over the years, local companies have significantly strengthened their production capabilities, improved the quality of their products and services, and expanded their expertise in line with international industry standards. We continue to see more examples of Kazakhstani businesses successfully participating in major oil and gas projects, manufacturing new products, providing specialized services, and becoming reliable partners not only for TCO but for the broader industry,” said Billy Lacobie.

The West Kazakhstan Region remains an important source of suppliers for TCO. The company collaborates with regional enterprises across various categories, including oil and gas equipment, chemical products, thermal insulation materials, personal protective equipment, and specialized services.

As part of TCO’s Kazakhstan Content Development Strategy for 2025-2029, agreed with the Ministry of Energy of the Republic of Kazakhstan, an interregional visit to the West Kazakhstan Region was organized in the first half of 2026. The initiative aimed to strengthen cooperation with regional authorities, assess the capabilities of local manufacturers, and explore opportunities for their further participation in TCO’s operations.

During the visit, TCO representatives met with regional leadership and business community representatives, visited 17 manufacturing facilities, and reviewed products and services offered by Kazakhstani companies serving the oil and gas industry.

Over the past three years, TCO’s total procurement of goods, works, and services from companies based in the West Kazakhstan Region amounted to approximately US$184 million. In addition, companies from the region actively participated in the execution of the Future Growth Project and Wellhead Pressure Management Project at Tengiz. The total value of contracts awarded to West Kazakhstan-based enterprises under these projects reached US$118 million.

In 2025, TCO also conducted interregional working visits to Shymkent and the Abai, East Kazakhstan, and Mangystau regions.

The Forum and Operators’ Open House once again demonstrated the importance of close collaboration among government, oil and gas operators, and domestic manufacturers in advancing Kazakhstan’s industrial development and creating new opportunities for local businesses.