API 7-1 Full-Hydraulic Drilling Jar Type QYⅢ

Descripción

Full Hydraulic API Drilling Jar Type QYⅢadaptes the needle valve type structure, the up and down impact are both hydraulic, can realize the up and down tonnage stepless adjustment. Full-Hydraulic Drilling Jar can effectively protect the drill string and improve the service life. The hydraulic energy storage mechanism adopts patent design and has good stability. Delay time range: 30s ~ 240s, Working temperature range: -40℃ ~ 180℃. Adopt new special materials, with higher performance and safety. Widely used in drilling, coring, workover, fishing and so on.

Drilling Jar

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