MLchartDataset catalogue

Lost-circulation material

Term · Oil and gas · MLC-T-OAG-002221

A substance added to drilling fluid to seal off permeable formations or fractures that are causing fluid loss into the wellbore. These materials come in many forms, including fibrous, flaky, granular, or a combination, and vary in size to bridge different opening dimensions. Common examples include mica, cellophane, nut shells, and engineered polymers.

Table 1. Record
IdentifierMLC-T-OAG-002221
FieldOil and gas
SubjectDrilling Fluids
Record as JSON
{
  "id": "MLC-T-OAG-002221",
  "term": "Lost-circulation material",
  "field": "Oil and gas",
  "definition": "A substance added to drilling fluid to seal off permeable formations or fractures that are causing fluid loss into the wellbore. These materials come in many forms, including fibrous, flaky, granular, or a combination, and vary in size to bridge different opening dimensions. Common examples include mica, cellophane, nut shells, and engineered polymers.",
  "subject": "Drilling Fluids",
  "url": "https://mlchart.com/terminology/oil-and-gas/lost-circulation-material/"
}

Record 2,375 of 4,469 in Oil and gas terminology (MLC-0103). Request the full dataset.