Retrieval of a sealing assembly

A tool assembly for use downhole within a tubing string comprising:

• a retrieval tool;
• and
• a sealing assembly coupleable to the retrieval tool at a first end of the sealing assembly, wherein the sealing assembly further comprises a plug having a set diameter,
• wherein the retrieval tool comprises a rod that extends through an inner region of the sealing assembly and extends beyond the plug of the sealing assembly,
• wherein the rod is extendable in a first direction towards a second end of the sealing assembly for lengthening the plug from the set diameter to a reduced diameter that is less than the set diameter, and
• wherein one of the retrieval tool or the sealing assembly further comprises a mechanical latch device, and wherein the other of the retrieval tool or the sealing assembly further comprises a recess, wherein the mechanical latch device is sized and shaped to be received in the recess for coupling the retrieval tool to the sealing assembly.

A method of retrieving a sealing assembly from within a tubing string of a wellbore:

• coupling a retrieval tool to the sealing assembly within the wellbore, the sealing assembly comprising a plug having a first diameter, wherein at the first diameter the plug contacts an inner surface of the tubing string;
• and
• extending a rod of the retrieval tool in a first direction, wherein the rod forces the plug of the sealing assembly in the first direction to elongate the plug such that the plug moves from the first diameter to a second diameter, the second diameter being less than the first diameter,
• wherein the plug comprises a metallic portion that at least partially surrounds an elastomeric portion of the plug, and wherein the metallic portion contacts the inner surface of the tubing string to form a metal-to-metal seal when the plug is at the first diameter.