18 July 2017
Heavily seamless tubing used to rotate the bit and circulate the drilling fluid. Joints of pipe approximately 30 ft (9 m) long are coupled together by […]
18 July 2017
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, stabilizers, […]
18 July 2017
A method of gathering data on the potential productivity of a formation before installing casing in a well. See formation testing.
18 July 2017
The column, or string, of drill pipe with attached tool joints that transmit fluid and rotational power from the kelly to the drill collars and bit. […]