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The AAPG/Datapages Combined Publications Database

AAPG Bulletin


Volume: 56 (1972)

Issue: 3. (March)

First Page: 568

Last Page: 571

Title: Pocket Permeameter: Hand-Held Device for Rapid Measurement of Permeability: GEOLOGICAL NOTES

Author(s): J. S. Bradley (2), R. W. Duschatko (2), H. H. Hinch (2)


A "pocket" permeameter has been designed for rapid measurement of rock permeability, both in the field and in the laboratory. The instrument measures the flow of air sucked through a rock sample by a squeeze bulb. The bulb provides a vacuum to establish a radial pressure gradient around the instrument orifice which is pressed against the rock surface. The permeability measurement is indicated by the height to which a marker ball in a flow gauge is raised by the air flow. The permeameter is capable of measuring permeability in the range of 10-250 md on a fairly smooth rock surface. Modification in design can change the range of permeability measured. The instrument is intended as an auxiliary tool and not as a replacement for conventional core analysis. Cost of the materia s used in the device is approximately $20; assembly and calibration require about 3 hours.

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