Apparatus and method for preventing tubing casing annulus pressure communication

摘要

A method of installation of a completion assembly apparatus into a wellbore with a liner hangar packer includes introducing the completion assembly apparatus into the wellbore, where the hybrid sealing assembly couples to the polished bore receiver assembly such that the hybrid sealing assembly is not operable to move laterally within the polished bore receiver assembly, positioning the completion assembly apparatus such that the completion assembly apparatus couples with the liner hangar packer, which establishes fluid communication between the polished bore receiver assembly and a portion of the wellbore downhole from the liner hanger packer, and operating the completion assembly apparatus such that the hybrid sealing assembly decouples from the polished bore receiver assembly such that the hybrid sealing assembly is operable to move laterally within the polished bore receiver assembly. The hybrid sealing assembly includes an unswollen swellable packer operable to swell upon exposure to a swelling material.

主权项

1. A method of installation of a completion assembly apparatus into a wellbore with a liner hangar packer for the production of a hydrocarbon-bearing fluid, the method comprising the steps of:
introducing the completion assembly apparatus into the wellbore, where the completion assembly apparatus includes a polished bore receiver assembly and a hybrid sealing assembly, where the hybrid sealing assembly couples to the polished bore receiver assembly such that the hybrid sealing assembly is not operable to move laterally within the polished bore receiver assembly; positioning the completion assembly apparatus such that the completion assembly apparatus couples with the liner hangar packer, where coupling the completion assembly apparatus with the liner hangar packer establishes fluid communication between the polished bore receiver assembly and a portion of the wellbore downhole from the liner hanger packer and forms a tubing casing annulus that is exterior to the completion assembly apparatus and uphole of the liner hanger packer; and operating the completion assembly apparatus such that the hybrid sealing assembly decouples from the polished bore receiver assembly, where the decoupled hybrid sealing assembly is operable to move laterally within the polished bore receiver assembly; where the hybrid sealing assembly is located within the polished bore receiver assembly and defines an interior of the completion assembly apparatus, where the polished bore receiver assembly has a smooth interior surface and an internal diameter, and where the hybrid sealing assembly comprises a shear screw housing having a fluid bypass channel that is operable to convey a fluid between the interior and an exterior of the completion assembly apparatus, an unswollen swellable packer with an elastomeric material that is operable to swell when exposed to a swelling material and a seal stack assembly that is operable to maintain a frictional seal with the smooth interior surface of the polished bore receiver.