1. The final effluent may be used in either infiltration ponds or injection wells . 2. See this clear headline saying " Injection wells blamed in Oklahoma earthquakes ". 3. INJECTION WELLS restore what's left of the geothermal liquid to the underground reservoirs.4. City administration to enact bylaw on injection wells , JAKARTA POST 5. Separated water and waste heat are fed into injection wells . 6. In 1992 there were 1, 100 active production wells, along with 57 injection wells . 7. Stage One will consist of one production well and one injection well on Rubie. 8. The geothermal water is supplied by five production wells and injected by six injection wells . 9. This forces the use of more environmentally sound injection wells or a closed loop system. 10. The process begins with nanoparticles being injected into a contaminated aquifer via an injection well .