Multiple-isotope log

{
  "id": "MLC-T-OAG-002489",
  "term": "Multiple-isotope log",
  "field": "Oil and gas",
  "definition": "A radioactive tracer survey in which two or more isotopes with different gamma-ray energies are injected together, often in separate fluid or proppant stages, and a spectral gamma-ray tool records each one separately. The method shows which zones took each fluid or solid in an injection well or fracture treatment. It is also called a multitracer or spectral tracer survey.",
  "subject": "Production Logging",
  "url": "https://mlchart.com/terminology/oil-and-gas/multiple-isotope-log/"
}