Intermediate casing string

{
  "id": "MLC-T-OAG-002010",
  "term": "Intermediate casing string",
  "field": "Oil and gas",
  "definition": "A string of casing run into a wellbore after the surface casing but before the production casing. It isolates unstable formations, prevents fluid loss, and protects shallower zones from higher pressures encountered deeper in the well. This casing string is cemented in place to provide structural integrity and zonal isolation.",
  "subject": "Drilling",
  "url": "https://mlchart.com/terminology/oil-and-gas/intermediate-casing-string/"
}