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>> products >> Fishing tools >> Small fallen objects fishing tools
 
product name: Drilling Junk Sub
Description:
Drilling Junk Sub is a specialized fishing tool which can be used to retrieve the heavy drilling cuttings or metal chips such as tong keys, slip elements ,cemented carbide teeth, cemented carbide pillars and so on which are difficult to be lifted out of the downhole by normal drilling fluid circulation. The tool produced by our corporation have enough strength to bear various loads in the course of drilling without being damaged while it can carry out fishing .It has important meaning for maintaining cleaning of downhole, extending service life of using bit, and reducing and preventing bit from damaging accidentally.
Features:
Drilling Junk Sub which consists of two parts : central spindle and bowl,
is simple in structure, convenient operation, safe and reliable in use. It t has been proven to be the most versatile and reliable in the field.
   Specification
Specifications and parameters of Drilling Junk Sub
 
Type
O.D.(mm)
I.D.(mm)
Connection
API
Suitable Well Diameter(mm)
LB94
94
19
2 7/8″REG
108.0-118.1
LB102
102
32
2 7/8″REG
117.5-123.8
LB114
114
38
3 1/2″REG
130.2-149.2
LB127
127
38
3 1/2″REG
152.4-161.9
LB140
140
38
3 1/2″REG
165.1-190.5
LB168
168
57
4 1/2″REG
193.7-215.9
LB178
178
57
4 1/2″REG
219.0-244.5
LB190
190
57
4 1/2″REG
228.9-273.0
LB197
197
70
5 1/2″REG
235.0-279.4
LB219
219
70
6 5/8″REG
244.5-288.9
LB229
229
70
6 5/8″REG
254.0-304.8
LB245
245
70
6 5/8″REG
292.1-330.2
LB280
280
89
7 5/8″REG
330.2-374.6
LB311
311
89
7 5/8″REG
327-374.6
LB327
327
102
7 5/8″REG
374.5-444.5
LB340
340
102
7 5/8″REG
386.7-457.2
 
 
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