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.

production-icon

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 ...

Read more

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.

Complex-Technology-Line

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...

Read more

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...

Read more

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.

production_security

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....

Read more

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.

operations5

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...

Read more

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.

Working-safely-TCO-core-value

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...

Read more

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.

Actions-prevent-COVID-19-spread

01

Occupational Health and Safety Management Process

02

Process Scope

03

Working with TCO as a Business Partner

04

Protection of people

01

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.

02

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.

03

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.

04

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

Tengizchevroil strengthening its support of Kazakhstani Content Development

Oct 27, 2025, 05:39 by Support Admin
Tengizchevroil (TCO) shared preliminary results of its comprehensive In-Country Value Development Program, developed in collaboration with the Ministry of Energy in September 2025. This program forms the foundation for TCO’s Kazakhstani Content (KC) development strategy for over the next five years.

Tengizchevroil (TCO) shared preliminary results of its comprehensive In-Country Value Development Program, developed in collaboration with the Ministry of Energy in September 2025. This program forms the foundation for TCO’s Kazakhstani Content (KC) development strategy for over the next five years.

TCO recognizes that Kazakhstani Content is a strategic priority for the country, and by supporting it, we will continue to work to increase Kazakhstani content in goods, works and service”, - emphasized the Deputy General Director of TCO, Konilkosh Suyessinov.

It is worth to mention, that since 1993 till the 1st half of this year, TCO spent more than $51.4 billion on Kazakhstani goods and services.



TCO’s within its In-Country Value Development Program helps promote local manufacturing, supplier qualification, improved tendering mechanisms to support Kazakhstani manufacturers, and advanced cooperation models. The company is driving localization in key product categories such as valves, electrical equipment, instrumentation, piping, HVAC systems, chemicals, oils, paints, pumps, insulation materials, and fasteners.



Also, TCO supports Kazakhstani manufacturers in meeting technical qualification standards, through its internal Supplier Development Program. This includes site visits and desktop audits by subject matter experts, helping local companies to achieve international certifications, and ultimately qualifying for TCO’s Approved Manufacturers List.

Since 2024, TCO has completed the qualification of 16 Kazakhstani manufacturers and included them in the TCO Approved Manufacturers List, recognizing them as meeting TCO’s requirements and standards.

One of the main goals of the In-Country Value Development Program is to support the increasing of the TCO’s KC spend on goods. As of now, the company is making solid progress on increasing this number YTD August 2025 KC% Goods is set at 9%, which is 24MM USD KC Spend out of Total Goods Spend of 270 million USD, which makes TCO by far the number one purchaser of local goods in value in the oil and gas industry.



To achieve this result, TCO has developed a five-year Kazakhstani content development roadmap strategy 2025-2029. And one of the key initiatives is continuous improvement including the integration of key performance indicators (KPI) into targets for TCO departments.

Also, Kazakhstani Tender and KC Tolerance Mechanisms were developed to allow for minor price deviations in BID evaluations, favoring competitive local suppliers while at least 3 Kazakhstani companies submitted bids.



For high-value goods TCO uses long-term contracts to secure critical equipment and support local industry growth.

Recently, TCO participated in the IMBC forum where the company has signed 8 contracts and 4 MoUs with local companies for total sum of 150 million USD.

TCO also supports the small local entrepreneurs, including socially vulnerable groups, by implementing the “Tandau” interest-free microfinance initiative in Zhylyoi region. In 2024 alone, over 300 applications were received, with 44 businesses receiving funding. 

Tengizchevroil strengthening its support of Kazakhstani Content Development

Oct 27, 2025, 05:39 by Support Admin
Tengizchevroil (TCO) shared preliminary results of its comprehensive In-Country Value Development Program, developed in collaboration with the Ministry of Energy in September 2025. This program forms the foundation for TCO’s Kazakhstani Content (KC) development strategy for over the next five years.

Tengizchevroil (TCO) shared preliminary results of its comprehensive In-Country Value Development Program, developed in collaboration with the Ministry of Energy in September 2025. This program forms the foundation for TCO’s Kazakhstani Content (KC) development strategy for over the next five years.

TCO recognizes that Kazakhstani Content is a strategic priority for the country, and by supporting it, we will continue to work to increase Kazakhstani content in goods, works and service”, - emphasized the Deputy General Director of TCO, Konilkosh Suyessinov.

It is worth to mention, that since 1993 till the 1st half of this year, TCO spent more than $51.4 billion on Kazakhstani goods and services.



TCO’s within its In-Country Value Development Program helps promote local manufacturing, supplier qualification, improved tendering mechanisms to support Kazakhstani manufacturers, and advanced cooperation models. The company is driving localization in key product categories such as valves, electrical equipment, instrumentation, piping, HVAC systems, chemicals, oils, paints, pumps, insulation materials, and fasteners.



Also, TCO supports Kazakhstani manufacturers in meeting technical qualification standards, through its internal Supplier Development Program. This includes site visits and desktop audits by subject matter experts, helping local companies to achieve international certifications, and ultimately qualifying for TCO’s Approved Manufacturers List.

Since 2024, TCO has completed the qualification of 16 Kazakhstani manufacturers and included them in the TCO Approved Manufacturers List, recognizing them as meeting TCO’s requirements and standards.

One of the main goals of the In-Country Value Development Program is to support the increasing of the TCO’s KC spend on goods. As of now, the company is making solid progress on increasing this number YTD August 2025 KC% Goods is set at 9%, which is 24MM USD KC Spend out of Total Goods Spend of 270 million USD, which makes TCO by far the number one purchaser of local goods in value in the oil and gas industry.



To achieve this result, TCO has developed a five-year Kazakhstani content development roadmap strategy 2025-2029. And one of the key initiatives is continuous improvement including the integration of key performance indicators (KPI) into targets for TCO departments.

Also, Kazakhstani Tender and KC Tolerance Mechanisms were developed to allow for minor price deviations in BID evaluations, favoring competitive local suppliers while at least 3 Kazakhstani companies submitted bids.



For high-value goods TCO uses long-term contracts to secure critical equipment and support local industry growth.

Recently, TCO participated in the IMBC forum where the company has signed 8 contracts and 4 MoUs with local companies for total sum of 150 million USD.

TCO also supports the small local entrepreneurs, including socially vulnerable groups, by implementing the “Tandau” interest-free microfinance initiative in Zhylyoi region. In 2024 alone, over 300 applications were received, with 44 businesses receiving funding.