Westgasoil Caspian Atyrau Complex is an upcoming petrochemical complex located in Atyrau Province, Kazakhstan. The complex is expected to commence commercial operations in 2025 and is likely to have an annual petrochemical capacity of 2.4mtpa. The complex will use natural gas as its key feedstock. The plants in this complex are operated by Westgasoil Caspian.

Details of key upcoming projects in Westgasoil Caspian Atyrau Complex

The complex is set to add capacity with upcoming plants including Westgasoil Caspian Atyrau Ethylene Plant (0.24mtpa), Westgasoil Caspian Atyrau Methanol Plant (1.8mtpa), and Westgasoil Caspian Atyrau Propylene Plant (0.36mtpa).

The technology and operator details for upcoming plants are as follows:

Plant NameOperatorTechnology
Westgasoil Caspian Atyrau Ethylene PlantWestgasoil Caspian
Westgasoil Caspian Atyrau Methanol PlantWestgasoil CaspianHaldor Topsoe Methanol Technology
Westgasoil Caspian Atyrau Propylene PlantWestgasoil Caspian

Key Products Capacity – Westgasoil Caspian Atyrau Complex, 2021-2030

The complex is expected to produce key products such as methanol, propylene, and ethylene.

Methanol accounts for major capacity share i.e., 75% of the total annual capacity of the complex with 1.8mtpa, followed by propylene and ethylene with 15% (0.36mtpa) and 10% (0.24mtpa) respectively.


Information on the petrochemical complexes/plants is sourced from GlobalData’s oil & gas petrochemicals plants database that provides detailed information on all active and upcoming, petrochemical plants globally. Not all companies mentioned in the article may be currently existing due to their merger or acquisition or business closure.