Waste Water Reinjection At Tongonan Geothermal Field- Results And Implications

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Journal Article: Waste Water Reinjection At Tongonan Geothermal Field- Results And Implications

Abstract
Reinjection of waste water in geothermal reservoirs is primarily intended for the disposal of the separated brine containing toxic minerals. It also increases the recovery of internal energy in the reservoir, aside from sustaining pressure and fluid mass in-place. However, there are also associated detrimental effects in the system once premature breakthrough of reinjected fluid occurs. There will be losses in well deliverability, due to decline in enthalpy and steam fraction, and reduction in permeability if deposition takes place. Induced seismicity also increases in the area, especially along faulted regions. Increases in iniectivity during the early span of reinjection in Tongonan have been experienced, followed by levelling and reduction after a certain period. A drop in well output of the well followed a premature fluid breakthrough. In the production sector, pressure drawdown is minimized due to reinjection returns.

Author 
Z. F. Sarmiento








Published Journal 
Geothermics, 1986





DOI 
Not Provided
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Citation

Z. F. Sarmiento. 1986. Waste Water Reinjection At Tongonan Geothermal Field- Results And Implications. Geothermics. (!) .