Junk Basket

Features:

  1. A lifting sub is provided for ease of handling which includes a storage space for the steel ball used in the operation of the tool.
  2. A single junk catcher is used in each assembly.
  3. Itco Junk Basket may be easily converted to a fishing magnet by replacing the catchers with magnet insert.
  4. Alternate Mill Shoes available are Type B and Type C.

Description

Junk Basket is designed to remove all types of small junk objects from the well hole. The tool’s main feature is that it eliminates the possibility of pulling a wet string during fishing operation with its reverse drainage design. Junk basket is normally attached at the bottom of the fishing string, lowered to a point several feet from the bottom of the well. Begin circulation of the junk basket to wash the hole. Stop circulation and drop the steel ball. (When the steel ball is dropped into the valve seat, reverse fluid circulation is activated. The fluid travels outward and downward through the inner passage of the barrel and out through the vents in the lower end. The fluid is then deflected to the center of the tool and up through the return holes in the upper end of the barrel. The reverse fluid circulation carries the junk into the barrel above the junk catcher. Restart the circulation; slowly rotate the junk basket while lowering the tool until a 10-inch core has been cut. Stop rotation and circulation and pull the tool and junk from the hole.

Specifications:

  1.  ITCO Junk Basket
Type OD mm(inch) Connection API Well bore range mm(inch) OAL mm(inch)
LL-P146 151(5-15/16) NC38 155.6~165.1(6-1/8~6-1/2) 1376(54-11/64)
LL-P200 205(8-5/64) NC50 212.7~241.3(8-3/8~9-1/2) 1766(69-17/32)
LL-P257 257(10-1/8) 6-5/8REG 273~295.3(10-3/4~11-5/8) 1770(69-11/16)
LL-P280 286(11-1/4) 6-5/8REG 298.5~311.2(11-3/4~12-1/4) 1846(72-43/64)
LL-P381 381(15) 7-5/8REG 406.4~444.5(16~17-1/2) 1780(70-5/64)

2. Reserve Circulation Junk Basket

Type Body OD mm(inch) Mill shoe OD mm(inch) Max. fishing mm(inch) Steel ball OD mm(inch) Hole size Range mm(inch) Connection
LL102 102 (4) 108 (4-1/4) 66 (2-10/16) 32 (1-1/4) 107~114.3 NC26
LL114 114 (4-1/2) 120 (4-3/4) 80 (3-2/16) 32 (1-1/4) 117.5~127 2-7/8REG
LL121 121 (4-3/4) 127 (5) 80 (3-2/16) 32 (1-1/4) 130~139.7 3-1/2REG
LL130 130 (5-1/8) 135 (5-5/16) 89 (3-8/16) 32 (1-1/4) 155.6~165. NC31
LL146 146 (5-3/4) 151 (5-15/16) 108 (4-4/16) 35 (1-3/8) 155.6~165.1 NC38
LL165 165 (6-1/2) 171 (6-3/4) 124 (4-14/16) 40 (1-9/16) 212.7~241.3 4-1/2REG
LL178 178 (7) 184 (7-1/4) 131 (5-3/16) 43 (1-11/16) 212.7~241.3 NC50
LL200 200 (7-7/8) 205 (8-1/16) 157 (6-3/16) 43 (1-1/16) 212.7~241.3 NC50
LL232 232 (9-1/8) 237 (9-5/16) 179 (7-1/16) 48 (1-57/64) 273~295.3 6-5/8REG
LL257 257 (10-1/8) 263 (10-3/8) 200 (7-14/16) 48 (1-57/64) 273~295.3 6-5/8REG
LL286 286 (11-1/4) 291 (11-7/16) 220 (8-11/16) 48 (1-57/64) 298.5~311.2 6-5/8REG
LL350 350 (13-1/8) 356 (14) 285 (11-4/16) 60 (2-23/64) 406.4~444.5 6-5/8REG
LL381 381 (15) 400 (15-3/4) 315 (12-6/16) 60 (2-23/64) 406.4~444.5 7-5/8REG

Drawing:

Junk Basket3
rcjb-large

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