Total chapter 10
The derrick is part of a drilling rig designed for lifting the drill bit up and down. The basic version has an upright stationary section which is potentially capable of supporting hundreds of tons of weight.
Total chapter 2
Mud pumps are large reciprocating piston/plunger devices that are specially designed to circulate drilling fluid (mud) under high pressure down the drill string and back up the annulus.
Total chapter 3
The diesel engine is an internal combustion engine that uses the heat of compression to initiate ignition and burn the fuel that has been injected under high pressure into the combustion chamber.
Total chapter 1
Electrical equipment on drilling rigs must comply with safety standards; the level of safety depends on the zone or area in which the electrical equipment operates.
Fire pumps, fire extinguishing systems (both permanent and portable), PPE (personal protective equipment), hand rails, toe boards, escape routes, life-rafts and lifeboats for MODUs, helicopter decks, etc.
Total chapter 4
A large number of electrically-driven gears with gear boxes to control the legs (three or four) of the jack-up system. Lifts and lowers the entire rig in and out of the water on support legs.
Total chapter 5
Part of the well control equipment integrated into the BOP. Seals the annulus of the well, seals around the drill pipe or performs a Complete Shut-Off (CSO) if no drill pipe is inside the hole.
A roller chain drive requires proper and timely maintenance to deliver satisfactory performance and service life.
