Papers for today's gas field, the actual needs of the drainage of gas, through the wellbore flow of gas-liquid two-phase mist flow pattern analysis, the work of atomizing nozzle theory and theoretical research, this paper presents application of spray nozzle method of drainage of gas will soon be Spray nozzles must be placed deep underground, using a good spray nozzle atomization of liquid gas in the gas-liquid two-phase flow effects on the liquid to spray through the spray so that the liquid into s...