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The flow characteristics of carbonate reservoirs are controlled by a combination of depositional and diagenetic processes. Depositional processes control the initial pore size distribution and the geometry of the individual depositional facies. The diagenetic overprint modifies the pore size distribution and controls the productivity of depositional facies. In some cases, [[reservoir quality]] and flow characteristics are totally controlled by diagenesis, as in karsted reservoirs.

The flow characteristics of carbonate reservoirs are controlled by a combination of depositional and diagenetic processes. Depositional processes control the initial [[Pore and pore throat sizes|pore size]] distribution and the geometry of the individual depositional facies. The diagenetic overprint modifies the pore size distribution and controls the productivity of depositional facies. In some cases, [[reservoir quality]] and flow characteristics are totally controlled by diagenesis, as in karsted reservoirs.

Carbonate reservoir descriptions are based on observations of depositional and diagenetic fabrics and pore space from core and cuttings samples. The descriptions are correlated with wireline log responses and incorporated into geological facies and/or diagenetic models in order to map [[porosity]], saturation, and [[permeability]].

Carbonate reservoir descriptions are based on observations of [[Depositional fabrics|depositional]] and [[Diagenesis|diagenetic fabrics]] and pore space from [[Overview of routine core analysis|core]] and [[Analysis of cuttings|cuttings]] samples. The descriptions are correlated with [[Basic open hole tools|wireline log]] responses and incorporated into geological facies and/or diagenetic models in order to map [[porosity]], [[Interpreting Sw distribution in a reservoir|saturation]], and [[permeability]].

==Carbonate sediments and environments==

==Carbonate sediments and environments==