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Calcium Chloride
Weighting Material
DESCRIPTION
Calcium Chloride can be used to prepare a solids free drilling fluid with a density to 11.7 pounds per gallon (SG 1.40) maximum.
RECOMMENDED TREATMENT
The following table indicates Calcium Chloride concentrations to obtain a required fluid density.
Concentration
(% weight) |
Density
Specific Gravity |
Chloride
mg/L |
| Fresh Water |
1.00 |
0 |
| 1% |
1.009 |
6,454 |
| 5% |
1.043 |
33,360 |
| 10% |
1.085 |
69,440 |
| 15% |
1.132 |
108,624 |
| 20% |
1.180 |
151,040 |
| 25% |
1.231 |
196,880 |
| 30% |
1.248 |
246,528 |
| 35% |
1.340 |
300,048 |
| 40% (Saturated> |
1.398 |
357,888 |
Note: % by weight is the equivalent of 1% = 10 kilograms per 1000 litres
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