Table 2. Ion Composition of Formation Water from Oil Field CQ-1.
| ion content (mg/L) | total salinity(mg/L) | viscosity (mPa s) | water type | |||||
|---|---|---|---|---|---|---|---|---|
| K+/Na+ | Ca2+ | Mg2+ | Cl– | SO42– | HCO3– | |||
| 21,682 | 2931 | 653 | 39,982 | 426 | 368 | 66,042 | 1 | CaCl2 |
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