• Materials Science
  • Published 1967

The Social Dimensions of Sectarianism

  title={The Social Dimensions of Sectarianism},
  author={Bryan R. Wilson},
A pulse of ultrasonic acoustic energy applied to an earth formation by means of a well logging tool initiates a first compressional formation pulse followed by a secondary pulse of lower amplitude and velocity traveling exclusively in the formation fluid. These two pulses are located, identified and quantized with cross-correlation techniques to give a direct indication of formation permeability, to identify accurately the nature of the formation fluid, and to provide a more accurate… CONTINUE READING