Table 7 The evaluation of fluid corrosion by measured parameters.
From: A novel formulation of an eco-friendly calcium nitrate-based heavy completion fluid
Coupon A | Coupon B | Coupon C | Coupon D | |
|---|---|---|---|---|
Fluid | CN4 | CNG14 | CNG24 | CNG34 |
Length (mm) | 58 | 57 | 57 | 63.6 |
Width (mm) | 20 | 20 | 21 | 16.3 |
Thickness (mm) | 4.18 | 4 | 3.64 | 2.5 |
Circle diameter (mm) | 6.1 | 6 | 6.08 | 6.4 |
Previous weight (g) | 36.5365 | 35.7143 | 31.3725 | 20.0480 |
Next weight (g) | 36.5350 | 35.7132 | 31.3712 | 20.0470 |
Temperature (°F) | 300 | 300 | 300 | 300 |
Corrosion rate (mpy) | 0.829 | 0.589 | 0.720 | 0.599 |