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Oil and gas

Costain has been providing design and engineering services to the oil & gas industry for over 60 years in both the onshore and offshore sectors, as well as greenfield and brownfield projects.

We bring our detailed design and construction experience into the early phases of projects to ensure they can be delivered safely and effectively.
With a full suite of discipline engineers, we pride ourselves in our ability to solve unique challenges, delivering projects and developing long term successful relationships with our clients and supply chain.

  • Feasibility and concept studies
  • Front end engineering design (FEED)/Define
  • EPCm
  • Specialist studies

Oil and gas capabilities


We provide high quality engineering and project management services to the offshore oil and gas industry, thanks to the talent and commitment of our high calibre, experienced people. Our strength is in the exploration and production sector, from field appraisal studies to brownfield modifications.

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Terminals - gas and oil

We have a long track record in delivering major gas terminal projects for blue chip clients. Our team of multidisciplinary specialists stay at the leading edge of gas chain innovation by advancing our technologies, patents and portfolio of intellectual property.

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Refining and petrochemicals

We deliver value and innovation across all phases of the downstream project and operations lifecycle. Our comprehensive capability includes considerations as diverse as health, safety and environmental optimisation, environmental impact abatement, process development, machinery configuration and driver selection, as well as plant construction execution and logistics.

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Gas compression

We have considerable expertise in gas compression for the oil and gas industry, supplying gas turbine and electrically driven compression solutions to suit your unique needs. We solve your most complex compression challenges, such as minimising environmental and economic impacts or maximising production from depleting fields. Our engineers will work with you to maximise your asset value worldwide.

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Our multi-disciplinary front- end solutions team has the expertise to carry out techno-economic evaluations of potential energy storage schemes, and assess their viability with a technology neutral approach. Our expertise in storage extends to compressed air energy storage and hydrogen storage, where we have carried out conceptual studies to meet our clients’ requirements.

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Cryogenic processing and liquefied gas

We deliver safe and reliable plants and processes for the liquefaction of natural gas. We have extensive international and UK experience in cryogenic gas processing on new liquefaction plants and LNG import and storage terminals, as well as for the modification of existing assets.

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