A method of foam emulsion well cleanout for gas well. An emulsifier apparatus is provided having a compressed air inlet, a foaming solution inlet and a foam outlet. The compressed air inlet is connected to a source of compressed air capable of supplying compressed air to the emulsifier apparatus within...http://www.google.de/patents/US7278488?utm_source=gb-gplus-sharePatent US7278488 - Method of generating stable foam for oil and gas well cleanouts
