MLchartDataset catalogue

TFNB

Term · Oil and gas · MLC-T-OAG-003800

A drilling report or mud log entry meaning trip for new bit, in which the drill string is pulled out of the hole to replace a worn or damaged bit. After the bit is changed the string is run back to bottom. The bit that was pulled is graded on tooth wear and whether it is still in gauge.

Table 1. Record
IdentifierMLC-T-OAG-003800
FieldOil and gas
SubjectDrilling
Record as JSON 
{
  "id": "MLC-T-OAG-003800",
  "term": "TFNB",
  "field": "Oil and gas",
  "definition": "A drilling report or mud log entry meaning trip for new bit, in which the drill string is pulled out of the hole to replace a worn or damaged bit. After the bit is changed the string is run back to bottom. The bit that was pulled is graded on tooth wear and whether it is still in gauge.",
  "subject": "Drilling",
  "url": "https://mlchart.com/terminology/oil-and-gas/tfnb/"
}

Record 4,032 of 4,469 in Oil and gas terminology (MLC-0103). Request the full dataset.