Cap the well

{
  "id": "MLC-T-OAG-000531",
  "term": "Cap the well",
  "field": "Oil and gas",
  "definition": "To install equipment on a wellhead to stop the flow of fluids, either in an emergency or as part of abandonment. Capping a blowout well involves placing a capping stack, a large assembly of valves, onto the wellhead to regain pressure control. For permanent abandonment, multiple cement plugs are set inside the casing before the final cap is installed at the surface, a process governed by local environmental regulations.",
  "subject": "Well Completions",
  "url": "https://mlchart.com/terminology/oil-and-gas/cap-the-well/"
}