Brine flood in a 1.9-in-long and 1.5-in-diameter core plug from the North Sea resulted in a stabilized pressure drop of 46.05 psi. The flood was carried out at                    0.05 mL/min with brine viscosity of 0.443 cP. Determine the absolute permeability of this plug in millidarcies.                                      I'm not sure about which formula to use, and should I convert inches to cm?

Principles of Foundation Engineering (MindTap Course List)
8th Edition
ISBN:9781305081550
Author:Braja M. Das
Publisher:Braja M. Das
Chapter16: Soil Improvement And Ground Modification
Section: Chapter Questions
Problem 16.10P
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Brine flood in a 1.9-in-long and 1.5-in-diameter core plug from the North Sea resulted in a stabilized pressure drop of 46.05 psi. The flood was carried out at                    0.05 mL/min with brine viscosity of 0.443 cP. Determine the absolute permeability of this plug in millidarcies.                 

                    I'm not sure about which formula to use, and should I convert inches to cm?

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