Cathead

{
  "id": "MLC-T-OAG-000588",
  "term": "Cathead",
  "field": "Oil and gas",
  "definition": "A rotating drum or spool on the drawworks of a drilling rig, used to provide power for pulling ropes and lines. It operates by friction, allowing a driller to control the tension and speed of a line wrapped around it. There are two main types: the breakout cathead for unscrewing pipe and the make-up cathead for tightening connections.",
  "subject": "Drilling",
  "url": "https://mlchart.com/terminology/oil-and-gas/cathead/"
}