Drilling jars
QJZ Mechanical Drilling Jar
QJZ type mechanical drilling jar is a kind of fully-mechanical jarring tools. It can release the drilling tools sticking accidents by providing a up and down jarring force. Basically, it is part of the drill stem, whenever needed, the jarring force can increase the working efficiency.
Technical Data
| Item | Value |
|---|---|
| classification | Drilling jars |
| source | Tianhe Catalogue / Website |
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