API 7-1 Mechanical Drilling Jar Type JZ

Description

The up-down jarring tonnage can be adjusted for a large range. The Drilling Jar can be actuated by mechanical fully. The inner chamber cannot produce high-pressure. The change of oiliness cannot impact jarring effect. The low sealing property can make the using life improve observably. The mounted special flexible joint can reduce the bending stress of Jar body effectively. It should adopt the new special material as to insure the higher performance. It should be used for straight hole, deep hole, complicated hole and directional hole.

Specifications Mechanical Drilling Jar

API 7-1 Drilling Jar

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