Reverse Circulation Junk Basket for Workover
Specifications
1.API thread2.LL-F type
Function:
The LL-F type reverse circulation junk basket is used to retrieve all types of small junk objects such as cone, cutter, hand tool and junks from the bottom hole.
Usage:
During drilling operation, it produces a local reverse circulation of fluid at well core so as to effective a complete recovery of junk in the junk basket. Especially when PDC bit is used, cleaning bottom well by the tool becomes very necessary to ensure the bit with a normal application.
The reverse circulation junk basket therefore becomes an essential tool in oil, geology exploration and drilling engineering.
Detail Specification:
Technical specification and parameters for Reverse Circulation Junk Baskets | ||||||
Type |
Barrel O.D. (mm) |
Mill Shoe O.D. (mm) |
Fish Max. O.D. (mm) |
Ball Dia. (mm) |
Thread Conn. |
Hole Size (mm) |
LL-381 |
381 |
386 |
282 |
55 |
7 5/8 REG |
406-444 |
LL-318 |
318 |
324 |
248 |
55 |
6 5/8 REG |
349-406 |
LL-F286 |
286 |
298 |
217 |
55 |
6 5/8 REG |
320-346 |
LL-F279 |
279 |
286 |
211 |
55 |
6 5/8 REG |
300-341 |
LL-F254 |
254 |
260 |
195 |
55 |
6 5/8 REG |
275-295 |
LL-F245 |
245 |
252 |
192 |
50 |
NC50 |
275-295 |
LL-F232 |
232 |
239 |
179 |
50 |
NC50 |
255-270 |
LL-F206 |
206 |
210 |
159 |
45 |
NC50 |
223-241 |
LL-F195 |
195 |
202 |
149 |
42 |
NC50 |
215-241 |
LL-F178 |
178 |
184 |
130 |
42 |
NC50 |
198-209 |
LL-F168 |
168 |
174 |
123 |
42 |
NC50 |
190-209 |
LL-F130 |
130 |
136 |
94 |
40 |
NC31 |
155-165 |
LL-F121 |
121 |
126 |
90 |
35 |
NC31 |
142-152 |
LL-F114 |
114 |
121 |
82 |
35 |
NC31 |
130-140 |
LL-F97 |
97 |
103 |
62 |
30 |
NC26 |
117-127 |
LL-F89 |
89 |
94 |
55 |
30 |
NC26 |
108-114 |
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