Patent ID: 11867019
Assignee: WEATHERFORD TECHNOLOGY HOLDINGS, LLC
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 0:
1. An assembly for cementing tubing in a wellbore with cement and for testing the tubing with applied pressure, the assembly comprising:
a tool disposed on the tubing and defining a flow bore, the flow bore having an uphole seat;
an insert disposed in the flow bore and having a downhole seat;
a plug body having a downhole end and an uphole end and having one or more wipers disposed thereabout;
a first portion of the plug body disposed toward the downhole end of the plug body, the first portion being configured to pass through the uphole seat in the tool and being configured to engage with the downhole seat in the insert, the first portion engaged with the downhole seat being configured to prevent communication of the applied pressure through the downhole seat, the insert and the plug body being movable at least from a first position toward a second position in the flow bore in response to the applied pressure; and
a second portion of the plug body disposed toward the uphole end of the plug body, the second portion being configured to engage with the uphole seat in the tool in response to the movement of the insert and the plug body toward the second position in the flow bore, the second portion engaged with the uphole seat being configured to prevent communication of the applied pressure through the uphole seat, the second portion being removable from the plug body, the plug body and the insert, upon removal of the second portion of the plug body, being releasable from the uphole seat and being configured to permit fluid communication through the uphole seat and along the flow bore past the insert and the plug body.