Wireline formation tester

{
  "id": "MLC-T-OAG-004169",
  "term": "Wireline formation tester",
  "field": "Oil and gas",
  "definition": "A downhole tool deployed on a wireline to measure formation pressures and collect fluid samples from specific intervals in an openhole well. It uses a probe or packer system to seal against the borehole wall, allowing fluid to be drawn into a chamber or pressure to be recorded. These tools are often equipped with pressure gauges and fluid analyzers to characterize reservoir properties.",
  "subject": "Well Testing",
  "url": "https://mlchart.com/terminology/oil-and-gas/wireline-formation-tester/"
}