SOR

{
  "id": "MLC-T-OAG-003510",
  "term": "SOR",
  "field": "Oil and gas",
  "definition": "The saturation of residual oil, representing the fraction of pore volume occupied by oil that cannot be recovered by conventional production methods. This oil remains trapped within the pore spaces after water or gas injection. It is a key parameter in evaluating the efficiency of enhanced oil recovery techniques.",
  "subject": "Formation Evaluation",
  "url": "https://mlchart.com/terminology/oil-and-gas/sor/"
}