Pressure transient survey in producer during the pressure fall period caused by opening well for production or increasing its production rate |
(see Fig. 1):
Fig 1. Drawdown starting after well is closed at 3,600 hrs and going through pressure recovering for 7 days (blue dots). The grey dash line shows bottom hole pressure history before 3,600 hrs in case it would have been recorded. |
Interpretation of BUS is based on:
In some cases one can uses Horner model with simplified version of BUS interpretation procedure.