Mult-functional Fisher isａcomposite tool which gathers drilling junk sub,magnetic fisher and catcher three kinds of function,so far it is idealtool for cleaning downhole, either fishing the metal particles or clawing the large—sized gear wheel and tong tooth.
Specification of Mult-functional Fisher
|
Type
|
O.D.
(mm)
|
O.D.of Mill Shoe
(mm)
|
Unit Attraction
Kg/cm2
|
Connection
|
Suitable Well Diameter
(in)
|
|
DDL135
|
135
|
137
|
7.8
|
NC38
|
6
|
|
DDL190
|
190
|
193
|
7.8
|
NC50
|
8 1/2
|
|
DDL200
|
200
|
203
|
7.8
|
NC50
|
8 3/8—8 3/4
|
|
DDL220
|
220
|
2223
|
7.8
|
NC50
|
9 1/2—9 7/8
|