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Calcium Carbonate (CaCO3)

Lost Circulation Material

Product Description

Calcium Carbonate (CaCO3) is a high-purity ground limestone, used to increase the density of drilling and workover fluids, to reduce fluid loss and as a lost circulation material.

Application/Function

Used as a weighting agent, a bridging agent to reduce filtration loss (for F, M or C)

Used as a lost-circulation material in both water-based and nonaqueous drilling fluids (for F, M or C)

Current uses include wellbore strengthening

Advantages

Environmentally benign

Compatible with formate systems, as well as general water and nonaqueous fluids

Resists attrition

Effective LCM material

Technical Data

Appearance

White powder or fine granules

Density

2.7-2.9 g/cm3

Particle size

30-350 mesh

Recommended Treatment

As a weighting agent as per the calculated mass balance equation

As a bridging material 14.3-143 kg/m3

As a LCM pill 4.3-286 kg/m3

Environmental Information

For information concerning environmental regulations applicable to Calcium Carbonate, contact the Health Safety and Environmental Department.

Shipping

Transportation of commodity name is not restricted by either international or CHINA regulatory agencies.

Safe Handling Recommendations

Utilize normal precautions for employee protection when handling chemical products. Use of standard PPE is recommended for employee comfort and safety. See Material Safety Data Sheet (MSDS) prior to use.

Package and Storage

25kg bags, jumbo bags or according to customer’s requirement.

Avoid high-intensity extreme pressure and prolonged exposure to strong sunlight. Keep container closed. Keep away from heat, sparks and flames.

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