ROCKPAMA
Recognised by the OPM Flow parserPROPS
ROCKPAMA defines the Palmer-Mansoori226 Palmer, I. and Mansoori, J. “How Permeability Depends on Stress and Pore Pressure in Coalbeds: A New Model,” paper SPE 52607, SPE Reservoir Evaluation & Engineering (1998) 1, No. 6, 539-544. and 227 Clarkson, C.R., Pan, Z., Palmer, I. and Harpalani, S. "Predicting Sorption-Induced Strain and Permeability Increase With Depletion for Coalbed-Methane Reservoirs", SPE 114778-PA, SPE Journal (2010) 15, No. 1, 152–159.parameters used for this rock model, for when the Coal Bed Methane option has been activated via the COAL keyword, and PALM-MAN has been declared for the ROCKOPT variable on the ROCKCOMP keyword; both keywords are in the RUNSPEC section. The Palmer-Mansoori rock model is used to calculate the impact on pore volume and permeability due to rock compaction.
Palmer, I. and Mansoori, J. “How Permeability Depends on Stress and Pore Pressure in Coalbeds: A New Model,” paper SPE 52607, SPE Reservoir Evaluation & Engineering (1998) 1, No. 6, 539-544.
Clarkson, C.R., Pan, Z., Palmer, I. and Harpalani, S. "Predicting Sorption-Induced Strain and Permeability Increase With Depletion for Coalbed-Methane Reservoirs", SPE 114778-PA, SPE Journal (2010) 15, No. 1, 152–159.
This keyword is not supported by OPM Flow but would change the results if supported so the simulation will be stopped.
- Records
- Fixed number of records
- Items per record
- 10
Parameters
| No. | Name | Description | Type | Default |
|---|---|---|---|---|
| 1 | K | DOUBLE | ||
| 2 | M | DOUBLE | ||
| 3 | G | DOUBLE | 0 | |
| 4 | B | DOUBLE | 0 | |
| 5 | E1 | DOUBLE | 0 | |
| 6 | f | DOUBLE | 0.5 | |
| 7 | n | DOUBLE | 3 | |
| 8 | g | DOUBLE | 1 | |
| 9 | Bs | DOUBLE | 0 | |
| 10 | Es | DOUBLE | 0 |
Manual source: parts/chapters/subsections/8.3/ROCKPAMA.fodt