Depth control

{
  "id": "MLC-T-OAG-001010",
  "term": "Depth control",
  "field": "Oil and gas",
  "definition": "The process of accurately measuring and managing the position of downhole tools and equipment relative to specific geological formations or wellbore features. It relies on correlating measurements from tools like casing collar locators or gamma ray detectors with reference logs run previously. Accurate depth control is a requirement for operations like perforating, setting packers, and collecting formation samples, with tolerances often specified in feet or inches.",
  "subject": "Well Completions",
  "url": "https://mlchart.com/terminology/oil-and-gas/depth-control/"
}