Crossflow

{
  "id": "MLC-T-OAG-000900",
  "term": "Crossflow",
  "field": "Oil and gas",
  "definition": "The movement of fluids between different permeable zones within a wellbore, often occurring when the hydrostatic pressure of the drilling fluid is insufficient to isolate them. This can lead to commingling of fluids, pressure imbalances, and potential formation damage. Crossflow is a concern during drilling and completion.",
  "subject": "Drilling",
  "url": "https://mlchart.com/terminology/oil-and-gas/crossflow/"
}