Abstract

MARINO-MARTINEZ1, Jorge Eliecer  and  MORENO-REYES, Luisa Epimenia. Possibilities for CO₂ capture and storage (CCS) in Colombia - case Tauramena (Casanare). bol.geol. [online]. 2018, vol.40, n.1, pp.109-122. ISSN 0120-0283.  https://doi.org/10.18273/revbol.v40n1-2018007.

The anthropogenic climate effects can be mitigated through various measures, including the capture of CO2 in geologic structures (CCS). Geological structures for sequestration of CO2 do not really need any important technological development, because the technology has been developed and applied by the energy industry for hydrocarbons exploration and production. The challenge is rather to identify the best methods and sites to capture CO2 for long term storage. There are some ways for CO2 storage in geological media, among them: use in EOR operations, elimination in depleted reservoirs of oil and gas, storage in layers where the coal bed methane (CBM) has been desorbed, injection in deep saline aquifers and storage in salt caverns that have been exploited. There are several criteria to consider when evaluating the potential of a sedimentary basin of storage of CO2: its tectonic and geological setting, the geothermal regime in the basin, the hydrodynamic flow regime, the potential for hydrocarbons and maturity of basin, economic aspects related to access, infrastructure, and socio-political conditions. The conditions for the implementation of the method of storage of CO2 in the Llanos basin (Tauramena, Casanare) are favorable due to the presence of several members of the Carbonera formation with good thickness and permeability; additionally, the presence of the overlaying regional seal of the León formation, and the development of technologies in the hydrocarbon industry, favoring the selection of this basin for potential pilot projects and subsequent commercial implementation of the CCS method in the basin.

Keywords : Carbon capture and storage; CCS; CO2 sequestration; Carbonera formation; geological storage.

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