Brake band:

On a drilling rig, the brake band acts on the flanges of the drawworks drum to control the lowering of the traveling block and its load of drill pipe, casing, or tubing.

Terms Related to Brake band

• Driller

  1. The employee directly in charge of a drilling or workover rig and crew. His main duty is operation of the drilling and hoisting equipment, ...

• Bottleneck

  An area of reduced diameter in pipe caused by excessive longitudinal strain or by a combination of longitudinal string and the swagging action of a ...

• Tool joint

  A heavy coupling element for drill pipe. It is made of special ahoy steel and has coarse, tapered threads and seating shoulders designed to sustain ...

• Spring collet

  A spring-actuated metal band or ring(ferrule) used to expand a liner patch when making casing repairs. See liner patch.

• String up

  To thread the drilling line through the sheaves of the crown block and traveling block. One end of the line is secured to the hoisting ...

• Spool

  The drawworks drum. Also a casinghead or drilling spool.; to wind around a drum

• Block

  An assembly of pulleys on a common framework; in mechanics, one or more pulleys, or sheaves, mounted to rotate on a common axis. The crown ...