MLchartDataset catalogue

Native clay

Term · Oil and gas · MLC-T-OAG-002503

Clay minerals that enter a drilling fluid from the formation as cuttings, as opposed to commercial bentonite added on purpose. Examples are illite, kaolinite, chlorite and mixed-layer clays from shales, which raise viscosity and gel strength and must be diluted or removed by solids control. Illite and kaolinite have a far lower cation exchange capacity than sodium bentonite.

Table 1. Record
IdentifierMLC-T-OAG-002503
FieldOil and gas
SubjectDrilling Fluids
Record as JSON 
{
  "id": "MLC-T-OAG-002503",
  "term": "Native clay",
  "field": "Oil and gas",
  "definition": "Clay minerals that enter a drilling fluid from the formation as cuttings, as opposed to commercial bentonite added on purpose. Examples are illite, kaolinite, chlorite and mixed-layer clays from shales, which raise viscosity and gel strength and must be diluted or removed by solids control. Illite and kaolinite have a far lower cation exchange capacity than sodium bentonite.",
  "subject": "Drilling Fluids",
  "url": "https://mlchart.com/terminology/oil-and-gas/native-clay/"
}

Record 2,670 of 4,469 in Oil and gas terminology (MLC-0103). Request the full dataset.