gunbarrel tank

English

Etymology

From the shape of the tank, which is long and cylindrical, like the barrel of a gun.

Noun

gunbarrel tank (plural gunbarrel tanks)

1. A long slender cylindrical metal tank, especially one used to separate oil from water as it flows from a production well.
   • 2008, Maurice Stewart, ‎Ken Arnold, Emulsions and Oil Treating Equipment, page 2:

     The gunbarrel tank, sometimes called a wash tank, is the oldest equipment used for multi-well onshore oil treating in a conventional gathering station or tank battery.

   • 2011, Michael Vollmer, ‎Klaus-Peter Möllmann, Infrared Thermal Imaging, page 511:

     The technique has been demonstrated for the production of gunbarrel tanks, water storage tanks, oil storage tanks, oil heaters, and production vessels.

   • 2011, Maurice Stewart, ‎Ken E. Arnold, Surface Production Operations, Volume 1, page 353:

     The gunbarrel tank is a vertical flow treater in an atmospheric tank.