Lost Circulation Materials

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    Trenchless and Technical Drilling Fluids & Additives


    Cal Carb Poultry Grit

    Cal Carb Poultry Grit, a coarsely ground carbonate, works effectively with different carbonate sizes to create an extensive array of bridging materials in drilling fluids. This combination is crucial for preventing the infiltration of fluids into permeable zones and avoiding circulation lost throughout the drilling, workover, and completion stages.

    Cal Carb Supercal – Glass Rock

    Cal Carb Supercal features a medium grind carbonate, which due to its acid solubility, is particularly effective as a weighting or bridging agent in completion, workover, and stimulation operations. It also plays a crucial role in blocking fluid penetration into permeable areas and maintaining fluid circulation during drilling activities.


    Cellophane is a clear, multi-sized flake of polycellulose used in oilfield and cementing applications as lost circulation material. In non-oilfield applications, it is used as a sealing agent supplement to other lost circulation materials.


    Di-Corp Sawdust comes from clean, untreated, kiln-dried wood with a moisture content typically between 5% and 12%. Sawdust is the most cost-effective and widely accessible option for mud engineers dealing with lost circulation materials. It is also the favored choice for absorption and cleaning tasks on drilling rig decks.

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