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SODIUM BICARBONATE

SODIUM BICARBONATE (NaHCO₃) is utilized to precipitate soluble calcium in water base drilling fluids. It is used primarily for treating cement contaminated drilling fluids.

SODIUM BICARBONATE Product category
WBM/OBM Drilling
SODIUM BICARBONATE Category
Commercial
SODIUM BICARBONATE Physical State
Solid
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Typical Physical & Chemical Properties
Max Temperature
300
Reservoir Compatible
Both
Sub Category
Product Tier
Regular
SG value
2.159
Appearance
White crystalline free flowing powder
Purityss
99 min
pH (1% solution)
8.0 - 8.8
Bulk Density Kg/m³
850 - 900
Feature And Benefits
SODIUM BICARBONATE provides two basic functions: (1) removes soluble calcium (2) lowers pH of the drilling mud
Product Function
SODIUM BICARBONATE should be mixed through the mud hopper. Do not use Sodium Bicarbonate to treat make–up water. Use Soda Ash for softening water, over treatment with Sodium Bicarbonate will result in carbonate / bicarbonate contamination of the drilling fluid resulting in rheological and filtration control problems.
Recommended treatment
Pretreatment with 0.25–0.5 lbs/bbl (0.7–1.4 kgs/m3) of Sodium Bicarbonate as a precaution before drilling out cement. When “green” cement is drilled, the treatment with Sodium Bicarbonate may need to be doubled or even tripled. Bicarbonates of soda will result in decrease in pH, allowing the calcium solubility to increase.
Shipping References
Transportation of SODIUM BICARBONATE is not restricted by any regulatory agency.
Handling Recommendations
Utilize normal precautions for employee protection when handling chemical products. Utilize appropriate respirator, gloves, goggles and apron. Refer to the Material Safety Data Sheet (MSDS) for this product prior to use.
Standard Packing
SODIUM BICARBONATE is packaged in 25 kgs or 50 kgs multiwall paper and polyethylene liner sack.
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