CALCIUM CARBONATE CACARB

PRODUCT DESCRIPTION

CACARB,   a high purity ground marble calcium carbonate, an acid-soluble, bridging and   weighting agent used in drilling, drill-in and workover/completion fluids. When   compared with   limestone, the agent features higher hardness and purity, providing better   acid solubility.

APPLICATION

CACARB  is an acid-soluble bridging and weighting agent for controlling fluid loss   and density. It is a bridging agent and fluid loss additive. It can be used in fluids ranging from   conventional drilling fluids to advanced drill-in fluid systems, including   water-based reservoir drill-in fluid, reversible invert-emulsion reservoir   drill-in fluid system, invert-emulsion reservoir drill-in fluid system, and   high-density divalent reservoir drill-in fluid systems.

ADVANTAGES

CACARB  is used to prevent fluid invasion of permeable zones, and to prevent loss of   circulation during drilling, workover, and completion activities. CACARB  is applicable in all drilling fluids, aqueous and non-aqueous. Its   high-hardness ground   marble makeup resists particle-size degradation. It has minimized effect on fluid properties  due to essentially inert   property.

PHYSICAL PROPERTIES

Physical Appearance: White Powder

Specific Gravity: 2.7 - 2.8

Solubility in 15%HCl: 97% Minimum @ 25°C

Solubility in Water: 0.0035 g/100 ml @ 100°C

Product Code | Particle Size D50 Value um

CACARB 10 | 6-15

CACARB 20 | 16-29

CACARB 40 | 31-48

CACARB 140 | 120-180

CACARB 250 | 225-300

CACARB 500 | 430-520

CACARB 600 | 550-650

CACARB 750 | 655-800

CACARB 1400 | 1200-1550

RECOMMENDED TREATMENT

CACARB normal   concentrations are in the 10 to 50 lb/bbl (29 to 143 kg/m3) range.

PACKING AND STORAGE

CACARB can be   packed in 50kg HDPE bags with inner liner or 1 MT Jumbo Bags.

CACARB is equivalent to SAFECARB