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Standard Test Methods for Downhole Seismic Testing1
www.ce.memphis.eduexplosives, hammers, or air guns, are all acceptable P-wave generators. To produce an identifiable S wave, the source ... significantly different properties may impact the test results. Larger horizontal offsets of 4 to 6 m (12 to 20 ft) for the 2 For referenced ASTM standards, visit the ASTM website, ...