Backwash

{
  "id": "MLC-T-OAG-000252",
  "term": "Backwash",
  "field": "Oil and gas",
  "definition": "The procedure of reversing fluid flow through a filter, screen, or wellbore to remove accumulated solids or blockages. This action dislodges debris and cleans the affected area, restoring flow efficiency. It is frequently employed in water injection wells, production wells with sand screens, or during gravel pack operations to clear perforations.",
  "subject": "Drilling",
  "url": "https://mlchart.com/terminology/oil-and-gas/backwash/"
}