Bentonite
Term · Oil and gas · MLC-T-OAG-000322
A highly absorbent clay mineral, primarily composed of montmorillonite, formed from the alteration of volcanic ash. It is widely used as a drilling fluid additive to increase viscosity, suspend cuttings, and form a filter cake on the borehole wall. Bentonite swells significantly when hydrated, sometimes up to 15 times its dry volume.
| Identifier | MLC-T-OAG-000322 |
|---|---|
| Field | Oil and gas |
| Subject | Geology |
Record as JSON
{
"id": "MLC-T-OAG-000322",
"term": "Bentonite",
"field": "Oil and gas",
"definition": "A highly absorbent clay mineral, primarily composed of montmorillonite, formed from the alteration of volcanic ash. It is widely used as a drilling fluid additive to increase viscosity, suspend cuttings, and form a filter cake on the borehole wall. Bentonite swells significantly when hydrated, sometimes up to 15 times its dry volume.",
"subject": "Geology",
"url": "https://mlchart.com/terminology/oil-and-gas/bentonite/"
}
Record 347 of 4,468 in Oil and gas terminology (MLC-0103). Request the full dataset.