Underbalanced

{
  "id": "MLC-T-OAG-003978",
  "term": "Underbalanced",
  "field": "Oil and gas",
  "definition": "Describing a drilling operation where the pressure exerted by the drilling fluid column is intentionally kept lower than the formation pore pressure. This technique allows formation fluids to enter the wellbore during drilling, which can enhance drilling rates and reduce formation damage. It requires strict well control measures and specialized equipment.",
  "subject": "Drilling",
  "url": "https://mlchart.com/terminology/oil-and-gas/underbalanced/"
}