Analytical Modeling and Contradictions in Limestone Reservoirs: Breccias, Vugs, and Fractures

Table 6

Data and parameters for the Cardenas Field, well Cardenas-308.

Parameters	Symbol	Values
Initial reservoir pressure		61.54 × 10^6 Pa
Pressure drop		20 Pa
Depth		3948 m
Formation thickness		293 m
Primary porosity		0.015 (fraction)
Primary permeability		358 × 10^−17 m^2
Secondary porosity		0.05 (fraction)
Secondary permeability		89 × 10^−10 m^2
Oil viscosity		0.00066 Pa·s
Reservoir temperature		124.1°C
Clast radius		0.08 m
Vugs radius		0.001 m
Sink and source		1 m^2/s
Oil specific gravity (15.6°C)		0.720 (dimensionless)