Hydraulic stage collar（First stage plug）

The tool reduces pumping pressure on weak zones and prevents lost circulation during cementing.The tool can be opened hydraulically without a free-fall opening plug, which enables operations in highly-deviated(greater than 30° off vertical from surface to tool) and horizontal wells.Shear pins can b

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Description

The tool reduces pumping pressure on weak zones and prevents lost circulation during cementing.

The tool can be opened hydraulically without a free-fall opening plug, which enables operations in highly-deviated(greater than 30° off vertical from surface to tool) and horizontal wells.

Shear pins can be adjusted onsite, which enables the operator to adjust opening pressures to specific well requirements.

Anti-rotation design and no need to use opening plug save lots of drill-out time.

Casing running slowly and smoothly to prevent pre-opened.