Enhanced Geothermal Systems / Engineered Geothermal Systems

 The use of any stimulation method which is used to enhance the productivity / injectivity of a well

 The stimulation methods are executed after initial drilling into the reservoir

 The stimulation methods used in an individual case depends on:

 Geological setting (porous of fracture controlled reservoir, stressfield, …)

 Reservoir parameters (rock type, fluid composition, …)

 Initial permeability (low or medium)

 Cost of stimulation (in budget?)

 Any use of a stimulation method defines a project as EGS?

 Only when a very low permeability is enhanced considerably?

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