MLchartDataset catalogue

Washout

Term · Oil and gas · MLC-T-OAG-004082

An enlargement of the wellbore diameter beyond the size of the drill bit, caused by erosion from the drilling fluid or by unstable formation characteristics. Washouts can lead to poor cement jobs, difficulties in running casing, and inaccurate log readings. They are often detected by caliper logs.

Table 1. Record
IdentifierMLC-T-OAG-004082
FieldOil and gas
SubjectDrilling
Record as JSON 
{
  "id": "MLC-T-OAG-004082",
  "term": "Washout",
  "field": "Oil and gas",
  "definition": "An enlargement of the wellbore diameter beyond the size of the drill bit, caused by erosion from the drilling fluid or by unstable formation characteristics. Washouts can lead to poor cement jobs, difficulties in running casing, and inaccurate log readings. They are often detected by caliper logs.",
  "subject": "Drilling",
  "url": "https://mlchart.com/terminology/oil-and-gas/washout/"
}

Record 4,363 of 4,499 in Oil and gas terminology (MLC-0103). Request the full dataset.