Sonde

{
  "id": "MLC-T-OAG-003504",
  "term": "Sonde",
  "field": "Oil and gas",
  "definition": "A long, slender instrument package lowered into a wellbore to acquire geophysical measurements of the surrounding rock formations. It contains sensors that detect properties such as resistivity, radioactivity, and acoustic velocity, transmitting data to the surface via a wireline cable. Sondes are designed to withstand high pressures and temperatures encountered downhole.",
  "subject": "Formation Evaluation",
  "url": "https://mlchart.com/terminology/oil-and-gas/sonde/"
}