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==Core analysis reports==
==Core analysis reports==
The core analysis company will provide two reports once a job has been completed. The first is the core analysis report. This can include the following data: horizontal permeability, vertical permeability, porosity, water saturation, oil saturation, grain density, and sometimes a brief description of the core plug lithology (Table 7). A listing will be provided on a foot by foot basis (or its metric equivalent) of the rock properties measured in the lab (Table 8).
The core analysis company will provide two reports once a job has been completed. The first is the core analysis report. This can include the following data: horizontal permeability, vertical permeability, porosity, water saturation, oil saturation, grain density, and sometimes a brief description of the core plug lithology (Table 1). A listing will be provided on a foot by foot basis (or its metric equivalent) of the rock properties measured in the lab (Table 2).
{{Table 7
{| class = "wikitable"
|-
|+ {{table number|1}}Terms used in core analysis
|-
! Core data || What it means
|-
| Permeability || The measure of the ease of movement of fluid through the pore space in a rock.
|-
| Horizontal permeability || Core plugs are cut parallel to the bedding planes in the core, and the horizontal permeability values are measured from these.
|-
| Vertical permeability || A lesser amount of core plugs is cut orthogonal to the bedding planes in the core, and the vertical permeability values are measured from these.
|-
| Porosity || The decimal fraction or percentage of the void (pore) space volume within the rock to the total rock volume.
|-
| Water saturation || The decimal fraction or percentage of the total volume of water relative to the total volume of fluid (hydrocarbon plus water) in the pore space.
|-
| Oil saturation || The decimal fraction or percentage of the total volume of oil relative to the total volume of fluid in the pore space.
|-
| Grain density || The density of the constituent grains making up the sediment in the core plug.
|}
{{Table 8
{{Table 8