Binning Core Data to improve Permeability Prediction

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Presentation transcript:

Binning Core Data to improve Permeability Prediction By Andy May Acknowledgement: Brad Browning of Kerr-McGee contributed to this study.

“There are lies, damned lies and Statistics” Benjamin Disraeli (1804-1881) Fitting a line through logarithms is not the same as fitting a line to the numbers themselves.

2.5%  bins Binned best fit line Non-binned best fit line

Log/Linear best fit line is always lower than binned Average of 0.1 and 10 = 5.05 Average of Log(0.1) and Log (10) = Log(1) 5.05 - 1 = 4.05 Flow is linear with permeability according to Darcy

Binned PHIE vs Core K Raw Core K vs PHIE

Binned PHIE vs. Core K PHIE vs. DST K Points Ignored Raw PHIE vs. Core K