Acoustic traveltime

{
  "id": "MLC-T-OAG-000048",
  "term": "Acoustic traveltime",
  "field": "Oil and gas",
  "definition": "The time required for a sound wave to travel a specific distance through a medium, also known as transit time. In wireline logging, a sonic tool measures this interval over a fixed distance along the borehole wall to calculate the formation's acoustic velocity. This measurement, recorded in microseconds per foot or per meter, is a primary input for calculating porosity and calibrating seismic velocity models.",
  "subject": "Geophysics",
  "url": "https://mlchart.com/terminology/oil-and-gas/acoustic-traveltime/"
}