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Table 8 Injection and production summary for strategy 2—pressure maintenance strategy
From: Potential assessment of methane and heat production from geopressured–geothermal aquifers
Maximum brine production rate, sm3/day | 4000 |
Minimum wellhead pressure of producer, MPa | 1.7 |
Minimum wellhead pressure of producer at start of reinjection, MPa | 2.7 |
Maximum brine injection rate, sm3/day | 4000 |
Maximum wellhead pressure of injector, MPa | 31 |
Temperature of reinjected brine, °C | 35 |
Tubing ID, inch | 0.0756 |
Production period, year | 20 |
Injection period, year | 16.4 |
Cumulative produced brine, million sm3 | 32.24 |
Cumulative produced gas, million sm3 | 152.88 |
Average produced gas–water ratio, m3/m3 | 5.31 |
Cumulative injected brine, million sm3 | 26.66 |
CH4 recovery, % | 9.36 |
Brine recovery, % | 11.27 |