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Pressure transient survey in injector during the pressure rise period caused by opening well for injection or increasing its injection rate |
(see Fig. 1):.
Despite the terminology conflict the Injection survey is widely called Drawdown (DD) similar to producing wells.
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Fig 1. Drawdown pressure Injection pressure decline (blue dots) for 2,300 hrs after opening the well for production at injection at 100 m3/d. |
Interpretation
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Interpretation of DD is based on:
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