The Model Hydro Trip Pressure Sub is a pressure actuated device installed in tubing string below a hydrostatically actuated tool such as a Hydraulic set packer. It provides a method of applying pressure to activate and set the packer and then through continued pressure, activate the Hydro Trip Sub. Packer is set by circulating a ball through packer down to ball seat in the Hydro Trip Sub.After packer is set, a continued increase in pressure is applied to shear the shear screws in the shear ring, allowing the ball seat collet to move down into the collet relief area and allowing the ball to pass down the Hydro Trip Sub through the tubing, leaving a “full open” Sub with no restrictions to production. The Collet Catcher Sub is used when any restrictions are installed below, ball and solid bar are available.
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