Sinopec and Técnicas Reunidas JV awarded petrochemical project in Kazakhstan

Key highlights
  • The investment for the steam cracker project is around €2.3 billion.
  • The project is expected to be completed by the end of 2028.
  • Lummus Technologies is the selected technology licensor.
  • The unit will produce 1,300 kta of ethylene using gas from Kazakhstan.
Related project For subscribers
Milestones, plant data, involved companies (owners, investors, licensors, contractors) and news — kept up to date.
Silleno LLP JV National Industrial Petrochemical Technopark Atyrau Ethylene and Polyethylene · Kazakhstan
Under Construction
2024
2024-07
2025 Q2
Commissioning & Start-up · expected date for subscribers
Operational / Completed · expected date for subscribers

Project Overview

A consortium led by KazMunayGas, Kazakhstan’s state-owned oil and gas company, has awarded the development of a steam cracker to a joint venture formed by Sinopec and Técnicas Reunidas. This contract is part of a strategic alliance formed by the two companies in September.

Investment and Financials

The total investment for the project is estimated at around €2.3 billion, with each partner in the joint venture contributing 50%. Sinopec will provide financial support for the execution of the project.

Timeline and Technology

The project is expected to be completed by the end of 2028. Lummus Technologies has been selected as the technology licensor for the steam cracker unit.

Location and Output

The steam cracker will be installed in the petrochemical complex being developed by the KazMunayGas-led consortium in the province of Atirau, on the Caspian Sea coast. The unit will use gas from Kazakhstan’s fields to produce petrochemicals, contributing to the production of approximately 1,300 kilotonnes per year (kta) of ethylene.

chemXplore Weekly

The week’s project milestones and project news from the chemical industry, free every Wednesday.

Free. One email a week. Unsubscribe any time.

Related articles

31 July 2026
KazMunayGas and Sinopec review joint projects

2D (900 km) and 3D (300 km2) seismic work ahead of a 7,000 m ultra‑deep well; 1.25 MMtpa PE plant >34% complete; Aktobe output target 800 Kt by 2028; CCUS working group proposed.

29 July 2026
Silleno delivers project's largest fractional column

A 101.8 m, 1,500 t fractional column for ethylene separation arrived on site, built at AtyrauNefteMash and moved on an SPMT to the National Industrial Petrochemical Technology Park.

24 June 2026
Air Liquide invests €70M in Kazakhstan to supply Silleno polyethylene plant

€70M project to build two large, high‑purity nitrogen units at NIPT SEZ to support Silleno’s world‑scale polyethylene plant; commissioning targeted end‑2028.

15 September 2025
TECNIMONT (MAIRE) hosts Local Value Shared Growth Forum in Kazakhstan

About 700 attendees and 500+ local firms gathered to connect Kazakh suppliers to the Silleno Petrochemical project and launch a four‑year training plan for 60 engineers.

31 March 2025
Kazakhstan Begins Construction on Major Polyethylene Plant in Atyrau

The plant will produce 1.25M tons of polyethylene annually by 2029, creating 8,000 construction jobs and 800 operational jobs, boosting Kazakhstan's economy and reducing import reliance.