For many years, engineers have known that hydraulics play an Important role in cleaning the…

Oil well drilling utilizes tri-cone roller, carbide embedded, fixed-cutter diamond, or diamond-impregnated drill bits to wear…

In geotechnical engineering, drilling fluid is used to aid the drilling of boreholes into the earth. Often used while…

The material in this section provides a straightforward explanation of what is covered by the…

There are several different types of drilling fluids, based on both their composition and use.…

Air drilling—also known as pneumatic percussion drilling[1] —is an underbalanced drilling (UBD) technique in which gases, usually compressed…

Drilling mud, also called drilling fluid, in petroleum engineering, a heavy, viscous fluid mixture that is used…

The radius of curvature method is currently considered to be one of the most accurate methods available.…

Well planning is perhaps the most demanding aspect of drilling engineering. It requires the integration…

Drill-string is the major component of a drilling system. Usually, it is made up of…