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Phase 1 CCS Results
Block Energy plc has announced successful initial results from its Phase 1 Carbon Capture and Storage (CCS) pilot, confirming rapid mineralisation of injected CO2 with 70% to 100% achieved since August 2025, effectively precipitating into solid carbonate minerals within the reservoir for permanent storage. This pilot, which injected 13.6 tons of CO2 into the Middle Eocene reservoir, de-risks the project and provides a strong technical foundation for a field-wide scale-up, with early assessments suggesting the Patardzueli field has the potential to store 151.5 million tonnes of CO2. The company plans to refine storage estimates, pursue independent certification, and evaluate commercialisation pathways in Phase 2, collaborating with its JV partner Rustavi Azot. Disclaimer*
About this update from Block Energy Plc
[{"type":"text","content":"\n\n22 December 2025\nBlock Energy plc\n(\"Block\" or the \"Company\")\nPhase 1 CCS Results\nBlock Energy plc (AIM: BLOE), the development and production company focused on Georgia, is pleased to provide the initial results of the Phase 1 CCS pilot.\n \nHighlights:\n \n· Post-injection sampling and third-party laboratory analysis confirm rapid mineralisation of the injected CO2, with 70% - 100% mineralisation being achieved since the pilot injection in August 2025.\n \n· The injected CO2 has precipitated into solid carbonate minerals in-situ within the reservoir.\n \n· The successful pilot de-risks the project and provides a strong technical foundation for the next steps which include a field-wide scale-up and defined commercialisation scheme.\n \nTechnical Summary:\n \nIn August 2025, as part of the Phase 1 pilot, 13.6 tons of CO2 along with a tracer compound was injected into the Middle Eocene reservoir in the PAT-49 well on the Patardzeuli field. Four monitoring wells, which had previously been proven to be connected to PAT-49, were systemically sampled during the monitoring phase, with formation water samples as well as surface CO2 gas detection taken by the Company during this phase.\n \nThe monitoring programme was developed in line with international carbon and mineralisation standards. It was designed to incorporate direct sampling evidence, tracer behaviour, repeat laboratory measurement, as well as geochemical analysis.\n \nNo gaseous CO2 was detected at surface, and the formation water samples were independently analysed by a credentialed laboratory in Azerbaijan.\n \nOPC, Block's technical advisor on the project, concluded that analysed samples have demonstrated between 70 - 100% mineralisation within three months post-injection, having undertaken geochemical interpretation on the results of the monitoring programme.\n \nTracer concentrations associated with the injection increased in the monitoring wells as expected, whilst dissolved CO2 levels remained low; providing clear evidence that CO2 was precipitating into solid minerals in the reservoir, with the effect of permanent storage of CO2.\n \nThe results provide a strong technical basis for field-wide scale-up and commercialisation pathways.\n \nNext S...