Spacer fluid

{
  "id": "MLC-T-OAG-003527",
  "term": "Spacer fluid",
  "field": "Oil and gas",
  "definition": "A fluid pumped into the wellbore between two incompatible fluids to prevent them from mixing. It creates a buffer zone, for example, between drilling mud and cement slurry, or between different types of drilling fluids. The properties of a spacer fluid, such as density and viscosity, are designed to achieve efficient displacement and prevent contamination.",
  "subject": "Drilling",
  "url": "https://mlchart.com/terminology/oil-and-gas/spacer-fluid/"
}