Downhole bridge plug or packer setting assembly and method
AssigneeBaker Hughes Incorporated
InventorMichael J. Loughlin
Life of this patent
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Abstract
Disclosed herein is a method of elongating a setting time of a bridge plug or packer. The method includes, positioning the bridge plug or packer in a desired position within a wellbore, partially setting the bridge plug or packer with a first hydraulic pressure, controlling remotely a rate of application of a second hydraulic pressure, and completing the setting of the bridge plug or packer with the second hydraulic pressure, the second hydraulic pressure being greater than the first hydraulic pressure.
Claims23
A method of elongating a setting time of a bridge plug or packer, comprising:
- positioning the bridge plug or packer in a desired position within a wellbore;
- developing a first hydraulic pressure with hydrostatic pressure;
- partially setting the bridge plug or packer with the first hydraulic pressure;
- generating a second pressure with a hydraulic pump;
- controlling remotely a rate of application of the second hydraulic pressure;
- and
- completing the setting of the bridge plug or packer with the second hydraulic pressure, the second hydraulic pressure being greater than the first hydraulic pressure.
A downhole bridge plug or packer setting assembly, comprising:
- a bridge plug or packer;
- a hydraulic setting tool in operable communication with the bridge plug or packer capable of partially setting the bridge plug or packer and incapable of completely setting the bridge plug or packer with hydrostatic pressure supplied thereto;
- and
- a slow remotely driven pressure-building device in operable communication with the setting tool capable of supplying pressure greater than hydrostatic pressure to the setting tool.
A downhole bridge plug or packer setting tool, comprising:
- a piston assembly;
- a cylinder assembly in operable communication with the piston assembly defining a cavity therebetween, the cavity being in operable communication with a downhole bridge plug or packer;
- and
- a line attached to surface being in operable communication with at least one of the cylinder assembly and the piston assembly such that movement of the line in a direction towards surface causes movement of the one of the cylinder assembly and piston assembly in operable communication therewith to move in a same direction causing reduction in volume of the cavity and expulsion of fluid therefrom, the expulsion of fluid being in a direction opposite to that of the movement.
Dependencies are inferred from the claim text.