Junk Trapper and catch One Salvage cup usually pick up on the drill bit or milling tool, with its collection of cups will circulate in borehole couldn't recovered heavier small falling objects.It can also be used for casing scraper above, make the casing scraper operation is fast and clean. TwoSalvage cup salvage fragments falling object is mainly used in drilling process, such as cemented carbide teeth, bit bearing, etc.It is to keep the bottom clean, improve the service life of drill bit, drill bit to reduce and prevent accidental damage plays an important role. Structure Salvage cup is mainly composed of spindle, wiper block, outer tube, the joint and so on, as shown.Because the manufacturer is different, although its structure is similar, but not exactly the same, can be selected according to downhole conditions.