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HSE-acceptable lost circulation additive


POLYSWELL is an environmentally acceptable copolymer used to fill or seal fractures and also is effective when spotted in caving zones. In freshwater, POLYSWELL expands to 200 times its volume.

As POLYSWELL fully hydrates, it seals the fracture/void and also can be spotted in a problem zone to prevent sticking.


  • Can be pre-hydrated before adding
  • Because of its swelling capacity and size variability, POLYSWELL additive can accumulate in a variety of fracture sizes

Product Sheets

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