Roll a tank

{
  "id": "MLC-T-OAG-003189",
  "term": "Roll a tank",
  "field": "Oil and gas",
  "definition": "To agitate the oil in a storage tank by injecting gas, such as air or butane, through a roll line so that the contents are stirred and the tank bottoms stay clean. Some lease operators connect a bottle of butane to the tank with a 50-foot air hose to do it. The same job is also done by circulating the oil with a pump.",
  "subject": "Production Facilities",
  "url": "https://mlchart.com/terminology/oil-and-gas/roll-a-tank/"
}