FIELD: extraction of liquid media from drilled wells. SUBSTANCE: tool for wells is intended for delivering liquid to different levels. Tool includes liquid supply pipeline which is made with multiplicity of outlet windows which are open in radial direction. Each of outlet pipes is connected by its one end to one of outlet windows. Section of each of outlet pipes is parallel in length to longitudinal axis of pipeline. Liquid is delivered through outlet windows and outlet pipes to different levels. These sections increase effective length of outlet pipe. Application of aforesaid embodiment of tool improves efficiency in delivery and spreading of gravel filler with prevention of negative effect in fissure-creating operations. EFFECT: higher efficiency. 8 cl, 8 dwg
