Definition

1. Noun:
   • A simple crane: A derrick is a type of simple crane, typically consisting of a vertical mast or framework, used for lifting and moving heavy objects. Its lifting tackle (hooks, ropes, pulleys) is suspended from a projecting arm or boom.
   • An oil well framework: A derrick is also the tall, tower-like framework erected over an oil or gas well. It supports the drilling equipment and allows drill tubes (or pipes) to be raised and lowered into the wellbore.

Usage Examples

• Noun:
  • The construction crew used a derrick to lift the steel beams into place.
  • The old oil derrick stood as a lonely silhouette against the prairie sky.

Advanced Usage

• "Topping the derrick": In oil drilling, this refers to the process of adding a new section of pipe to the top of the drill string.
  • After reaching a certain depth, the crew began topping the derrick to continue drilling.

Variants and Related Words

• Derrickman (n): A worker who operates or works on a derrick, especially on an oil rig.
  • The derrickman has one of the most dangerous jobs on the platform.

Synonyms

• Crane (for the lifting device meaning).
• Rig, Oil rig, Drill tower (for the oil well structure meaning).

Related Phrases

• Derrick floor: The platform on an oil rig where the drilling crew works.
  • The drill pipe was stacked neatly on the derrick floor.

Noun

1. a simple crane having lifting tackle slung from a boom
2. a framework erected over an oil well to allow drill tubes to be raised and lowered