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Unformatted text preview: the value from the
equation but they are both in the same ballpark. Note it is very difficult to determine this point due to all of the overlaps
in the region on the plot. Therefore with a clearer image and more accurate reading these two times may better
The end of wellbore storage (or the beginning or infinitely acting flow) occurs when the pressure derivative response
behaves as a flat line. For the case this occurs at
, corresponding to a of 545220. This is much larger than
that calculated in the equation and may be due to my poor readings, calculation errors or expected errors within the
equation. This is just a theoretical relation and will not necessarily match to the data points. 2...
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This note was uploaded on 01/26/2014 for the course ENG 9111 taught by Professor Drjohanssen during the Spring '12 term at Memorial University.
- Spring '12