MLchartDataset catalogue

Irreducible water

Term · Oil and gas · MLC-T-OAG-002042

The volume of water held within the pore spaces of a rock by capillary forces that cannot be displaced by hydrocarbons, even under high pressure. This water is typically adsorbed to grain surfaces or trapped in very small pores. It is expressed as a percentage of pore volume and is a key parameter in calculating hydrocarbon saturation.

Table 1. Record
IdentifierMLC-T-OAG-002042
FieldOil and gas
SubjectFormation Evaluation
Record as JSON 
{
  "id": "MLC-T-OAG-002042",
  "term": "Irreducible water",
  "field": "Oil and gas",
  "definition": "The volume of water held within the pore spaces of a rock by capillary forces that cannot be displaced by hydrocarbons, even under high pressure. This water is typically adsorbed to grain surfaces or trapped in very small pores. It is expressed as a percentage of pore volume and is a key parameter in calculating hydrocarbon saturation.",
  "subject": "Formation Evaluation",
  "url": "https://mlchart.com/terminology/oil-and-gas/irreducible-water/"
}

Record 2,187 of 4,469 in Oil and gas terminology (MLC-0103). Request the full dataset.