Patent ID: 6481499
Filing Date: 2002-11-19
Classification: E21B

Abstract:
A gas separator for separating out the gaseous phase from a two-phase, liquid/gas mixture, comprising:a sedimentation vessel having an upper part through which a production tubing extends into an interior of the sedimentation vessel, having an outlet in said upper part for the exit of gas that has been separated out, and having a lateral surface with an upper portion having through-holes therein so as to define a perforated tube; wherein in use said sedimentation vessel contains liquid in a lower part thereof up to a level varying within a selected band below the holes in said perforated tube, and contains predominantly gas in said upper portion, above the level of the liquid; a discharge pump operatively coupled to the production tubing; and level control means for keeping the level of the liquid inside the sedimentation vessel within said selected band.