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ASTM D4631-95(2000)

Historical Revision

Standard Test Method for Determining Transmissivity and Storativity of Low Permeability Rocks by In Situ Measurements Using Pressure Pulse Technique

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1.1 This test method covers a field procedure for determining the transmissivity and storativity of geological formations having permeabilities lower than 10 -3 µm2 (1 millidarcy) using the pressure pulse technique.

1.2 The transmissivity and storativity values determined by this test method provide a good approximation of the capacity of the zone of interest to transmit water, if the test intervals are representative of the entire zone and the surrounding rock is fully water saturated.

1.3 The values stated in SI units are to be regarded as the standard.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. /p>

SDO ASTM: ASTM International
Document Number D4631
Publication Date Jan. 1, 2000
Language en - English
Page Count 7
Revision Level 95(2000)
Supercedes
Committee D18.21
Publish Date Document Id Type View
July 15, 2018 D4631-18 Revision
Sept. 15, 2008 D4631-95R08 Revision
Jan. 1, 2000 D4631-95R00 Revision