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Subsurface release cement plugs enable precise cement slurry placement in offshore and liner operations

For over five decades, Halliburton has designed subsurface release (SSR®) plugs intended to cement casing string from subsurface hangers. These plugs enable precise cement slurry placement in offshore and liner operations. Accurate deployment is crucial for fluid separation, contamination prevention, zonal isolation, and avoiding costly remedial operations and environmental hazards. As the industry’s first patented reinforced plastic composite plug system, SSR-II™ plugs offer improved reliability and drillability compared to conventional aluminum plug assemblies, especially in high-pressure demanding operations.

Dual dart operated system provides enhanced reliability

Released ahead and behind the cement slurries, the plug-releasing darts provide mechanical separation and prevent contamination between cementing fluids when traveling down the landing string.

Increased flow area after bypass

The unique bottom plug bypass design of the SSR-II plug system creates an unrestricted flow area on the landed plug. 

Improved drillability

Commonly used aluminium mandrels are replaced with high-strength composite materials to reduce drill-out time and drill-bit damage. 

Composite cement plug system
SSR-II™ cement plugs

Features

  • Available in single-, dual-, or triple-plug configurations
  • High-strength versions available with increased bump ratings to set expandable liner hangers and enable high-pressure casing test
  • Combination plug sets available for tapered string
  • Optional ball catcher available
  • Dedicated landing collar required for bottom plug bypass
  • Available for 7- to 20-in. casing
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