Thanks Kader 009
i think for MDT we can plot as RFT (pressure vs. depth) to get the contacts and the slopes are the gradients
for interpretation i think the curve still in the spherical flow regime so it is -1/2 slope in the derivative plot
or sometimes you can deal with it as normal test using Horner plot, or using type curves
you can refere to oil well testing book go to [link Point to another website Only the registered members can access]
in the DST chapter you can find plenty of things really interesting for you
good luck
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