Low colloid oil mud

{
  "id": "MLC-T-OAG-002224",
  "term": "Low colloid oil mud",
  "field": "Oil and gas",
  "definitions": [
    "An oil-base or invert-emulsion mud formulated with very little colloidal solid, such as organophilic clay or asphaltic gelling agents, and relying on emulsifiers, wetting agents and the brine phase for suspension. The low colloid content gives a lower plastic viscosity and a higher filtrate loss than a conventional oil mud, which reduces chip hold-down and raises penetration rate. Relaxed-filtrate oil muds, which deliberately tolerate more HTHP filtrate, follow the same approach.",
    "An oil-based drilling fluid designed with a reduced concentration of colloidal solids to achieve lower viscosity and improved drilling efficiency. This formulation minimizes the potential for formation damage and enhances penetration rates. It relies on specific emulsifiers and wetting agents to maintain fluid stability and suspend drilled cuttings effectively."
  ],
  "subject": "Drilling Fluids",
  "url": "https://mlchart.com/terminology/oil-and-gas/low-colloid-oil-mud/"
}