Afterflow

{
  "id": "MLC-T-OAG-000070",
  "term": "Afterflow",
  "field": "Oil and gas",
  "definition": "The continued flow of fluids into the wellbore from the reservoir after the wellhead valves have been closed, due to the compression of fluids in the wellbore and near-wellbore region. This phenomenon is particularly noticeable during pressure buildup tests, where the wellbore storage effect masks the true reservoir response in the early-time data. Afterflow can significantly prolong the time required to reach true reservoir pressure.",
  "subject": "Well Testing",
  "url": "https://mlchart.com/terminology/oil-and-gas/afterflow/"
}