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Khomine A. Allow 《Arabian Journal of Geosciences》2013,6(2):409-417
In the use of geothermal energy, the reinjection of heat-depleted brines is the most important issue. The reinjection of reservoir fluid can support reservoir pressures and also allow more efficient thermal energy recovery, but at the same time many problems occur during reinjection of heat-depleted brines, among which is the precipitation of the products of reactions between reinjected fluid and the reservoir’s fluid and solid constituents. We discuss the dynamics of the reinjection of heat-depleted brines into the original reservoir using a thermohaline theoretical model using FEFLOW software, representing the effect of the difference in temperature and concentration between heat-depleted brine and reservoir fluid, regardless of the chemical reactions and assuming clean brine. 相似文献
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Khomine Abedelrahem Allow 《Arabian Journal of Geosciences》2011,4(3-4):645-653
Overexploitation of shallow aquifers on the Syrian coast, north of Latakia (Damsarkho) for irrigation and tourism has caused an intrusion of seawater. The seawater intrusion into this aquifer has been presented by a three-dimensional finite element model using the FEFLOW numerical code. This conceptual model is based on field and laboratory data collected during the period 1966–2003. Meteoric infiltration and flows from the adjoining carbonate aquifer recharge the aquifer; natural outflow occurs through a diffuse flow into the sea; and artificial outflow occurs through intensive extraction of groundwater from wells. Water exchanges in the aquifer occur naturally (leakage) and artificially (multi-screened wells). The model was calibrated for transient conditions. The model helped establish that seawater intrusion is essentially due to withdrawals near the coast during the irrigation season and that it mainly occurs in the Damsarkho plain. The effects of hypothetical aquifer exploitation were assessed in terms of salt budget. 相似文献
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