Downhole filter tool

摘要: Apparatus for downhole filtration of fluids in a wellbore. The apparatus has diverter and filter slidably mounted on mandrel. circumferential wiper element between the mandrel casing within which is run. When are reverse circulated, or tool being pulled out, shifts to downward position, wherein it seals against an upper end filter, filtering out solids retaining them chamber sleeve running into wellbore, position permit bypass sleeve. bears spring loaded seat, permits creating gap allow should slots become plugged.