A High Expansion Bridge Plug (HEX) is a downhole isolation tool used in oil & gas wells to temporarily or permanently seal a wide range of casing or open-hole diameters. Its main advantage is a high expansion ratio, allowing one plug size to cover multiple IDs.

Key Points:

Provides zonal isolation and pressure containment

Run on wireline or coiled tubing

Suitable for well intervention, testing, stimulation, and P&A

Available as retrievable or drillable

Reduces inventory, rig time, and operational cost

Effective in worn or irregular casing