Inventors:
Terence R. Regan - Newburyport MA
Boris Dynkin - Newton MA
Assignee:
Geraghty & Miller, Inc. - Denver CO
International Classification:
C02F 120, E21B 4300
Abstract:
Methods for vacuum extraction of contaminants from subsurface media which involves vacuum withdrawal through a conduit, of vaporized contaminant, assisted by a tube for allowing air bubbles to flow through the liquid-phase hydrocarbon zone thereby causing enriched hydrocarbon vapors to be extracted through the vacuum applied to the conduit.