Drilling fluids perform multiple functions, including lubricating the drill bit, cooling the drill bit, and removing cuttings from the wellbore.

A drilling rig is a complex machine that performs multiple functions, including rotating the drill string, providing power to the drill bit, and controlling the flow of drilling fluids.

Rotary drilling rigs use a rotating drill bit, while cable tool drilling rigs use a reciprocating drill bit. Rotary drilling rigs are more efficient and can drill deeper than cable tool drilling rigs.

The primary purpose of a drill bit is to break up the rock formation.

The three main types of drill bits are roller cone bits, fixed cutter bits, and diamond bits.

Drilling fluids perform multiple functions, including lubricating the drill bit, cooling the drill bit, and removing cuttings from the wellbore.

The three main types of drilling fluids are water-based drilling fluids, oil-based drilling fluids, and synthetic-based drilling fluids.

A drilling rig is a complex machine that performs multiple functions, including rotating the drill string, providing power to the drill bit, and controlling the flow of drilling fluids.

The main components of a drilling rig are the derrick, drawworks, and rotary table.

A drilling program outlines the steps involved in drilling a well, estimates the cost of drilling a well, and determines the drilling rig required for a well.

The three main stages of drilling a well are drilling the surface hole, drilling the intermediate hole, and drilling the production hole.

The three main types of drilling operations are rotary drilling, cable tool drilling, and air drilling.

The three main types of drilling rigs are land rigs, offshore rigs, and mobile rigs.

The three main types of drilling fluids are water-based drilling fluids, oil-based drilling fluids, and synthetic-based drilling fluids.

The three main types of drill bits are roller cone bits, fixed cutter bits, and diamond bits.