MLchartDataset catalogue

Resistivity index

Term · Oil and gas · MLC-T-OAG-003129

The ratio of the resistivity of a rock saturated with both water and hydrocarbons to the resistivity of the same rock fully saturated with water. This dimensionless index is used in the Archie equation to calculate water saturation. It quantifies the increase in resistivity caused by the presence of hydrocarbons in the pore space.

Table 1. Record
IdentifierMLC-T-OAG-003129
FieldOil and gas
SubjectFormation Evaluation
Record as JSON 
{
  "id": "MLC-T-OAG-003129",
  "term": "Resistivity index",
  "field": "Oil and gas",
  "definition": "The ratio of the resistivity of a rock saturated with both water and hydrocarbons to the resistivity of the same rock fully saturated with water. This dimensionless index is used in the Archie equation to calculate water saturation. It quantifies the increase in resistivity caused by the presence of hydrocarbons in the pore space.",
  "subject": "Formation Evaluation",
  "url": "https://mlchart.com/terminology/oil-and-gas/resistivity-index/"
}

Record 3,332 of 4,469 in Oil and gas terminology (MLC-0103). Request the full dataset.