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Import Tool

STAGE CEMENTING COLLARS

STAGE TOOLS

Stage tools allow the operator to cement targeted zones within the wellbore during casing or liner installation. By cementing certain sections of the well, stage tools prevent lost circulation into the formation by lowering the total hydrostatic pressure exerted on weak zones. Stage tools are often paired with an annular casing packer beneath which provides a positive barrier for the cement column pumped above.

The Mechanical design features opening and closing sleeves that are mechanically sheared with a positive sealing free-fall opening device and pump down plug.

The Hydraulic system is designed for horizontal applications and features a differential piston opening sleeve which can be functioned with applied pressure from surface.

Features

                Accurate cement placement

                Low operational pressures for long reach well cementing

                Anti-rotation opening and closing sleeves lock against rotation during drill-out

                Soft internal materials for fast drill out

                Opening and closing sleeve locking rings prevent tool from reopening

                Vertical, deviated, or horizontal applications

                Weld free

                Lightweight

                Easy to install

Options

                Hydraulic or Mechanical

                High temperature / high pressure seals

                2-Stage or 3-Stage cementing configuration

                Tapered and extended plug configurations

                Material grades available to meet or exceed customer requirements