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Weighting Materials

Drilling Fluids – Weighting Materials

Weighting agents are a high-specific gravity and finely divided solid material used to increase the density of a drilling fluid.   This material allows operators to alter slurry density to restrain high formation pressures and improve mud displacement. Weighting agents also play important roles in preventing strength retrogression, decreasing cement-system permeability and helping to control settling and gelation.

  • Marquis Alliance Proprietary Product

    MF BAR

    Ground barium sulphate (BaSO4) with a minimum specific gravity of 4.2 and conforming to the following API specifications: Wet Screen Analysis: 3% residue (max) on US Sieve #200 (74 microns), 5% residue (min) on US Sieve #325 (44 microns), Soluble Alkaline Earths as Calcium: 250 mg/L (max).

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  • Barite

    Ground barium sulphate (BaSO4) with a minimum specific gravity of 4.2 and conforming to the following API specifications: Wet Screen Analysis: 3% residue (max) on US Sieve #200 (74 microns), 5% residue (min) on US Sieve #325 (44 microns), Soluble Alkaline Earths as Calcium: 250 mg/L (max).

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    Please email for the MSDS

  • Calcium Chloride Fines

    Calcium Chloride Fines (CaCl22H20) is a pelletized manufactured salt, which is hygroscopic and highly soluble in water.

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  • Salt

    Common salt of >99% purity and whose chemical composition is sodium chloride, NaCl.

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    Please email for the MSDS