Layering ignition technology pipe column and layering ignition method thereof

摘要: The invention discloses a layering ignition technology pipe column and method thereof. is arranged in bushing of an oil well provided with upper layer lower layer. comprises double-layer gas injection set. set inner outer which are concentrically. An electric igniter the pipe. A tool fixedly connected to portion, on layer, bottom vertical-through end extending channel tool. sliding plug changes flowing direction slidable mode. When used for ignition, performed after performed. According thereof, respective quantitative two layers fire flooding process, cost can be effectively lowered, effect improved.