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Dongxu2, Mudanjiang, Heilongjiang
The mechanical internal cutter is a mechanical tool
to cut casing, tubing, drill pipe in the downhole.
In order ot avoid cutting coupling, the cutter
should keep away from the position of coupling,
and if allowed explorer should be equipped to make
cutting easy. It not only can cut at any position
of the fish during cutting operation independently,
but also can connected the releasing spear above
it. After cutting is finished the pipe string above
cutting position the cutter can be lifted out at
the same time.
The mechanical internal cutter is simple in structure,
safe and reliable in use, convenient operation,
highefficiency performance. The mechanical internal cutter
consists of a friction assembly which can set the slip insider tubular
after initiation. An indicator signals through pump pressure and
stabilizer slip keeps the cutter anchored in the casing, when the
cut is completed. The pistons are designed to force the slips to
firmly anchor the tool before the knives contacting the casing.