Reverse Circulation Junk Basket make the drilling mud producing reverse circulation locally at
the bottom of the well, push small-sized fishes in to basket. It is used to retrieve the fishes such
as cone、cutter、steel ball、hand tool and junks etc.from the hole. Moreover, it can be used
as a special coring tool.
Applicable documents: SY/T5084-93
the type and main parameter of reverse circulation junk basket
type |
usable range |
FLL-92 |
The use of casing in the 114,Maximum diameter of salvage litter 52mm |
FLL-102 |
The use of casing in the 127,Maximum diameter of salvage litter 64mm |
FLL-114 |
The use of casing in the 140,Maximum diameter of salvage litter 74mm |
FLL-138 |
The use of casing in the 168,Maximum diameter of salvage litter 92mm |
FLL-143 |
The use of casing in the 178,Maximum diameter of salvage litter 104mm |
FLL-168 |
Maximum diameter of salvage litter 117mm |
FLL-203 |
Maximum diameter of salvage litter 150mm |
FLL-280 |
Maximum diameter of salvage litter 200mm |
FLL-330 |
Maximum diameter of salvage litter 250mm |
FLL-380 |
Maximum diameter of salvage litter 280mm |