Table 2. Gel Strength for Drilling Mud Formulations at Different Temperatures.
| 180 °C |
200 °C |
220 °C |
||||
|---|---|---|---|---|---|---|
| mud | gel-10 s | gel-10 min | gel-10 s | gel-10 min | gel-10 s | gel-10 min |
| base fluid | 5 | 5 | 4 | 5 | 2 | 3 |
| PAC-LV | 6 | 7 | 4 | 5 | 5 | 5 |
| PAM | 5 | 7 | 6 | 7 | 5 | 6 |
| PEX | 8 | 8 | 6 | 8 | 6 | 7 |
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