KAPPA DDA Book v5.12

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Dynamic Data Analysis – v5.12.01 - © KAPPA 1988-2017 Chapter - p62/743
Fig. 3.B.1 – Drawdown MDH plot
Fig. 3.B.2 – Buildup MDH plot
Important: The value of b corresponds to the value of p on the straight line, not on the data.
Permeability and the skin are then given by:
Permeability:
mh
qB
k
 6. 162

Skin factor: 













 
 228 .3 log
) 1 (
151 .1 2
wt
LINE
rc
k
m
hr t p
S
