18 July 2017

Plug back

To seal off the bottom section of a wellbore to prevent the inflow of fluid from that portion of the hole.
18 July 2017

Pore

An opening or space within a rock or mass of rocks, usually small and often filled with some fluid (water, oil, gas, or all three). Compare […]
18 July 2017

Porosity

1) the condition of being porous (such as a rock formation). 2) the ratio of the volume of empty space to the volume of solid rock […]
18 July 2017

Positive choke

A choke in which the orifice size must be changed to change the rate of flow through the choke. See choke and orifice.