Lubricator valve

{
  "id": "MLC-T-OAG-002238",
  "term": "Lubricator valve",
  "field": "Oil and gas",
  "definition": "A specialized valve installed at the top of a wellhead, above the blowout preventer, to allow the safe introduction and retrieval of tools and equipment into a live well under pressure. It provides a sealed chamber that can be pressurized or depressurized to match wellbore conditions. This valve is a key component of wireline and coiled tubing operations.",
  "subject": "Well Workover and Intervention",
  "url": "https://mlchart.com/terminology/oil-and-gas/lubricator-valve/"
}