Adnoc earlier this month spudded its first “fully sequestered” CO₂ injection well as part of its plans to scale up carbon capture capacity from 800,000 t/y to 5mn t/y by 2030. Adnoc’s current carbon capture project entails the injection of CO₂ into onshore oilfields to help boost crude oil production, but this project does not entail boosting hydrocarbon output. A senior Adnoc official says the project is especially notable because the CO₂ is being injected into a carbonate saline aquifer, whereas most similar projects globally entail injecting into sandstone – an option the UAE’s geology does not allow.