Research Article
Examination of Experimental Designs and Response Surface Methods for Uncertainty Analysis of Production Forecast: A Niger Delta Case Study
Table 1
Experimental range in terms of multipliers on the base case uncertain parameters.
| | S/N | Parameters | Keywords | Minimum value | Base case | Maximum value |
| | 1 | Oil viscosity | OVISC | 0.90 | 1 | 1.10 | | 2 | Horizontal permeability | PERMX | 0.57 | 1 | 1.29 | | 3 | Vertical permeability | PERMZ | 0.50 | 1 | 6.00 | | 4 | Porosity | PORO | 0.90 | 1 | 1.10 | | 5 | Critical gas saturation | SGCR | 0.50 | 1 | 1.50 | | 6 | Critical water saturation | SWCR | 0.53 | 1 | 1.07 | | 7 | Fault transmissibility multiplier | MULTFLT | 0.50 | 1 | 2.00 | | 8 | Water relative permeability | KRW(SORW) | 0.36 | 1 | 1.25 | | 9 | Initial water saturation | SWI | 0.65 | 1 | 0.90 | | 10 | Aquifer pore volume | AQUIPV | 0.85 | 1 | 1.35 |
|
|
