Water production normally increases as fields mature, and two main ways exist to deal with the produced water. One is to dispose of the produced water into dedicated disposal wells. The other is to reinject the produced water for pressure maintenance or sweep efficiency. In 2010, a produced-water-reinjection (PWRI) project began in a giant field that involved replacing the aquifer water being injected in one of the water-injection clusters with produced water without water treatment.
Case History
This project was conducted in a giant onshore field in Abu Dhabi.
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