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 16 July 2024
    Tengizchevroil concluded a memorandum of cooperation with 9 companies producing industrial goods

    Within the framework of the first forum of International Center for Development of Oil and Gas Machine Building (hereinafter – IMB Center), which was held in Atyrau between July 10-12, tripartite memorandums of cooperation were signed between LLP “Tengizchevroil” (TCO), IMB Center and 9 companies producing various types of industrial products.

  • #TCO 10 July 2024
    TCO participated in the IMBC Forum

    On July 10, Atyrau hosted the annual forum of the International Center for Machine Building Development, also known as the IMB Center. The event was attended by over 200 foreign and domestic producers, representatives of the Ministry of Energy of the Republic of Kazakhstan, the KAZENERGY Association, as well as three major oil and gas companies: Tengizchevroil LLP (TCO), North Caspian Operating Company (NCOC), and Karachaganak Petroleum Operating (KPO) B.V.

  • #Kazakhstani Content 15 May 2024
    Thirteen domestic manufacturers became new suppliers to TCO

    With a view to increasing the in-country value and the local content share in the major oil and gas projects of Kazakhstan, a number of commercial agreements have been signed in Astana by Tengizchevroil LLP (TCO) with local enterprises. The event was participated by representatives of the Ministry of Energy of the Republic of Kazakhstan (RoK), the “International Centre for Development of Oil and Gas Machine Building” (IMBC) Association, as well as Mazhylys of the Parliament of the RoK deputies.

  • #TCO 16 July 2024
    Tengizchevroil concluded a memorandum of cooperation with 9 companies producing industrial goods

    Within the framework of the first forum of International Center for Development of Oil and Gas Machine Building (hereinafter – IMB Center), which was held in Atyrau between July 10-12, tripartite memorandums of cooperation were signed between LLP “Tengizchevroil” (TCO), IMB Center and 9 companies producing various types of industrial products.

  • #TCO 10 July 2024
    TCO participated in the IMBC Forum

    On July 10, Atyrau hosted the annual forum of the International Center for Machine Building Development, also known as the IMB Center. The event was attended by over 200 foreign and domestic producers, representatives of the Ministry of Energy of the Republic of Kazakhstan, the KAZENERGY Association, as well as three major oil and gas companies: Tengizchevroil LLP (TCO), North Caspian Operating Company (NCOC), and Karachaganak Petroleum Operating (KPO) B.V.

  • #Kazakhstani Content 15 May 2024
    Thirteen domestic manufacturers became new suppliers to TCO

    With a view to increasing the in-country value and the local content share in the major oil and gas projects of Kazakhstan, a number of commercial agreements have been signed in Astana by Tengizchevroil LLP (TCO) with local enterprises. The event was participated by representatives of the Ministry of Energy of the Republic of Kazakhstan (RoK), the “International Centre for Development of Oil and Gas Machine Building” (IMBC) Association, as well as Mazhylys of the Parliament of the RoK deputies.