18 July 2017

Orifice

An opening of a measured diam that is used for measuring the flow of fluid through a pipe or for delivering a given amount of fluid […]
18 July 2017

Output horsepower

The power that is put out by a unit, operating system, or piece of equipment.
18 July 2017

Overshot

A fishing tool that is attached to tubing or drill pipe and lowered over the outside wall of pipe or sucker rods lost or stuck in […]
18 July 2017

Pay sand

The producing formation, often one that is not even sandstone. It is also called pay, pay zone, and producing zone.