Home > Term: butterfly chart
butterfly chart
A plot representing the effect of invasion on resistivity measurements that have different depths of investigation. The plot assumes a step profile model of invasion and determines true resistivity, flushed zone resistivity and diameter of invasion from ratios of deep-, medium- and shallow-resistivity measurements. Strictly speaking, when both resistive and conductive invasion are plotted, the chart is called a butterfly chart. When only one is plotted it is known as a tornado chart.
- Part of Speech: noun
- Industry/Domain: Oil & gas
- Category: Oilfield
- Company: Schlumberger
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Creator
- BSchmidt
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