Drilling

Drilling

Of or relating to the penetration of the Earth's surface in order to extract petroleum oil.

Industry: Oil & gas

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Drilling

Tubing coupling

Oil & gas; Drilling

A special connector used to connect lengths of tubing.

Drive energy supplied naturally (as a reservoir is produced) by the expansion of the gas cap. In such a drive, the gas cap expands to force oil into the well and to the surface. See reservoir drive ...

Mud-gas separator

Oil & gas; Drilling

A device that removes gas from the mud coming out of a well when a kick is being circulated out.

Tubing

Oil & gas; Drilling

Relatively small-diameter pipe that is run into a well to serve as a conduit for the passage of oil and gas to the surface.

Christmas tree

Oil & gas; Drilling

The control valves, pressure gauges, and chokes assembled at the top of a well to control flow of oil and/or gas after the well has been drilled and completed. It is used when reservoir pressure is ...

Choke manifold

Oil & gas; Drilling

The arrangement of piping and special valves, called chokes, through which drilling mud is circulated when the blowout preventers are closed to control the pressures encountered during a kick.