A small diameter pipe that is inserted into a well as a means of transporting oil or gas to the surface.
Small diameter pipe, threaded at both ends, that is lowered into a completed well. Oil and gas are produced through a string of tubing.
When referring to OCTG, tubing is a separate pipe used within the casing to conduct the oil or gas to the surface. Depending on conditions and well life, tubing may have to be replaced during the operational life of a well.
Piping installed in wells for production of oil and gas.
String of pipe set inside the well casing, through which the oil or gas is produced.
A string of pipe set into a well through which oil or gas is produced.
Pipe with a thin wall used to carry fluids.
Hollow length of cylindrical material used for containing and transporting various fluids. Also refers to cylindrical piping used to house and protect electrical lines.