MLchartDataset catalogue

Crown block

Term · Oil and gas · MLC-T-OAG-000912

A stationary assembly of sheaves or pulleys located at the very top of the drilling rig's mast or derrick. It serves as the anchor point for the drilling line, which passes over its sheaves and down to the traveling block. This block supports the entire weight of the drill string and casing during hoisting operations.

Table 1. Record
IdentifierMLC-T-OAG-000912
FieldOil and gas
SubjectDrilling
Record as JSON 
{
  "id": "MLC-T-OAG-000912",
  "term": "Crown block",
  "field": "Oil and gas",
  "definition": "A stationary assembly of sheaves or pulleys located at the very top of the drilling rig's mast or derrick. It serves as the anchor point for the drilling line, which passes over its sheaves and down to the traveling block. This block supports the entire weight of the drill string and casing during hoisting operations.",
  "subject": "Drilling",
  "url": "https://mlchart.com/terminology/oil-and-gas/crown-block/"
}

Record 979 of 4,468 in Oil and gas terminology (MLC-0103). Request the full dataset.