Solution Gas Specific Gravity (ɣg)
The specific gravity of the solution gas (ɣg) is described by the weighted average of the separated gas specific gravities from each separator.
This weighted-average approach is based on the separator gas-oil ratio (GOR).
Reference: Reservoir Engineering Handbook, Tarek Ahmed
Correlations
- Mass Balance
Input Parameters
| Name | Input Value - Unit | Converted Value | Validity | Link to Calculation Page | |||
|---|---|---|---|---|---|---|---|
| 1st Stage separator GOR | 724 | SCF/STB | |||||
| 1st Stage separator ɣg | 0.743 | SG | |||||
| 2nd Stage separator GOR | 202 | SCF/STB | In case of three separation stages (including stock tank) | ||||
| 2nd Stage separator ɣg | 0.956 | SG | In case of three separation stages (including stock tank) | ||||
| 3rd Stage separator GOR | 0 | SCF/STB | In case of four separation stages (including stock tank) | ||||
| 3rd Stage separator ɣg | 0 | SG | In case of four separation stages (including stock tank) | ||||
| GOR @ Stock tank | 58 | SCF/STB | Last separation stage | ||||
| ɣg @ Stock tank | 1.296 | SG | Last separation stage | ||||
| CALCULATE | |||||||
Results | |||||||
| Correlation | Calculated Value | Warnings | Remarks | ||||
| Mass Balance | 0.819 | SG | |||||