Dress:

Terms Related to Dress

• Drill stem

  All members in the assembly used for rotary drilling from the swivel to the bit, including the kelly, drill pipe and tool joints, drill collars, ...

• Bit

  1. The cutting or boring element used in drilling oil and gas wells. This bit consists of a cutting element and a circulating element. The ...

• Bit breaker

  A special tool used by the rig crew to prevent the drill bit from turning while the bit sub on top of it is tightened ...

• Drill pipe

  Heavy seamless tubing used to rotate the bit and circulate the drilling fluid. Joints of pipe approximately 30 feet (9 meters) long are coupled together ...

• Bottom sub

  The lowest extremity of the tool to which accessories or other tools can be coupled.

• Through-the-flow-line (tfl) equipment

  Any equipment designed to be pumped down a completed well to effect a repair, modify the well's flow, or for other reasons.

• Closing unit

  The assembly of pumps, valves, lines, accumulators, and other items necessary to open and close the blowout preventer equipment.