Shale baseline

{
  "id": "MLC-T-OAG-003350",
  "term": "Shale baseline",
  "field": "Oil and gas",
  "definition": "A reference line on a well log, such as a gamma ray or spontaneous potential log, that represents the response of a pure shale formation. This baseline is used to differentiate shale from other lithologies and to quantify the volume of shale in a reservoir rock. The shale baseline is typically established by identifying thick, uniform shale beds in the logged interval.",
  "subject": "Formation Evaluation",
  "url": "https://mlchart.com/terminology/oil-and-gas/shale-baseline/"
}