Products you selected

    Request A Quote
    Filter by:

    Trenchless and Technical Drilling Fluids & Additives


    Prima-Seal is a blend of lost circulation materials specifically formulated to cover a wide range of situations common in the occurrence of lost circulation. Prima-Seal contains a blend of granules and fibers, which act as bridging and sealing agents.

    Prima-Seal Medium Product Sheet

    sack of prima seal
    a pile of prima seal

    Features & Benefits

    Mixing & Handling

    Physical Properties

    Chemical Properties

    Packaging & Controls

    Particle Size

    > 4000 microns – 0.91%
    > 2000 microns – 20.19%
    > 841 microns – 53.59%
    > 400 microns – 15.11%
    > 177 microns – 6.33%
    < 177 microns – 3.87%

    You Might Also Be Interested in

    Product Image


    FiberFluid™ is a finely milled seepage control and lost circulation additive that is an effective sealing and bridging…
    Product Image


    SunSweep® drilling fluid additive is a superior hole-cleaning agent that transports drill cuttings, metal shavings, and other…
    Product Image

    Cal Carb 325

    Calcium Carbonate (CaCO3) is a naturally occurring, ground limestone. As Cal Carb 325 grinds, this finer grade of…

    Learn More About Our Drilling Equipment
    & Supplies