Research Article
Analytical Modeling and Contradictions in Limestone Reservoirs: Breccias, Vugs, and Fractures
Table 4
Data and parameters for the Cardenas Field, well Cardenas-109.
| Parameter | Symbol | Value |
| Initial reservoir pressure | | 61.54 × 106 Pa | Pressure drop | | 20 Pa | Depth | | 3969 m | Formation thickness | | 270 m | Primary porosity | | 0.015 (fraction) | Primary permeability | | 395 × 10−17 m2 | Secondary porosity | | 0.11 (fraction) | Secondary permeability | | 196 × 10−10 m2 | Oil viscosity | | 0.00066 Pa·s | Reservoir temperature | | 124°C | Clast radius | | 0.08 m | Vug radius | | 0.03 m | Sink and source | | 1 m2/s | Oil specific gravity (15.6°C) | | 0.720 (dimensionless) |
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