Oil & Gas Terms in Category V


The tendency of elements to form compounds through a shift of electronic structure.

Velocity safety valve

A storm choke


A fluoroelastomer capable of sealing in sour gas, volatile adj: readily vaporized.

Valence effect

In general, the higher the valence of an ion, the greater the loss of stability to emulsions, colloidal suspensions, etc., these polyvalent ions will impart