The two firms will also define the next steps, including maturing technical scopes for the CCS value chain.
TotalEnergies and Eni will each hold a 35% interest in blocks 4 and 9, with the former serving as operator.
A decree has been signed by Russian President Vladimir Putin to prohibit the supply of crude oil and oil products from 1 February 2023.
With an area of around 36,316.5km2, these blocks are spread over nine sedimentary basins.
The new five-year agreement comes following the development and production sharing agreement signed in December 1997.
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