Author Archives: Jeremy O'Brien

Jeremy O'Brien

About Jeremy O'Brien

Jeremy is a geoscience consultant within the ESSA Consulting and Tech Team groups. He has experience working in conventional and unconventional reservoirs in the ESSA region along with Oman and experience in geothermal energy. Previous to employment with Halliburton, Jeremy was a project geologist at Mighty River Power Ltd managing and developing geothermal reservoirs in the Taupo Volcanic Zone, New Zealand. Jeremy holds an MS degree in geology with honors from the University of Canterbury, New Zealand.

Considerations for Waterflooding in Mature Fields Reservoir Optimization

From hot water to working water: observations from the geothermal industry Waterflooding in mature fields can offer significant recovery factor increases and extend the economic life of an asset. However, often the level of detail dedicated to understanding how the reservoir(s) will react to injection at the initial stage is not sufficient to realize the full potential of this optimization technique. From the...


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