The salvage spear is an internal fishing tool, which can salvage drill pipe, tubing, sleeve milling pipe, liner, packer, water distributor, spawner, etc. Work or use with other tools (such as jars, flippers).
Salvage spear
(1) Uses.
The salvage spear is an internal fishing tool, which can salvage drill pipe, tubing, sleeve milling pipe, liner, packer, water distributor, spawner, etc. Work or use with other tools (such as jars, flippers).
(2) Classification
Salvage spears are divided into reverse type and non-reverse type according to the use; according to the characteristics of use are divided into retreat type and non-retractable type; according to the structure of the salvage element can be divided into threaded buckle type and slip type
Ms. Wen junhong
