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EPT Attenuation of NaCl Water Saturations 

EPT Attenuation of NaCl Water Saturations
Description: This chart is designed to estimate the attenuation of saltwater solutions. The attenuation (Aw) value of a water zone is used in conjunction with the spreading loss determined from the EPT propagation time measurement (tpl) to determine the saturation of the flushed zone by using Chart SatOH-8. Enter the chart with the known salinity of the zone of interest and move upward to the formation temperature curve. From that intersection point move horizontally left and read the attenuation of the water in the formation on the y-axis. Conversely, enter the chart with a known EATT attenuation value of Aw from the EPT Electromagnetic Propagation Tool log to intersect the formation temperature curve and read the water salinity at the bottom of the chart.
Source: © Log Interpretation Chartbook (2009), Schlumberger
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EPT Propogation Time Attenuation Crossplot
Uploaded:Sun Nov 09, 2014 5:41 pm
Views:147




EPT Propogation Time of NaCl Water Solutions


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