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Unformatted text preview: and is equal to
( . Using this we can calculate the skin value:
( ( ) )
) The equation based upon experience for the time in which pure wellbore storage end is:
The equation based upon experience for the time in which all wellbore storage ends and the reservoir sand face is
responsible for the entire flow is:
From theory pure wellbore storage ends when the pressure derivative points on the log-log plot begin to differ from the
unit slope. For the case this occurs at
, corresponding to a of 1887. This is higher than...
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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