Research Article
Removal of Hematite Water-Based Filter Cake Using Hydrochloric Acid
Table 2
Drilling fluid properties at 120°F and atmospheric pressure.
| Properties | Values |
| | 230.30 | | 152.10 | | 120.50 | | 80.70 | | 21.90 | | 19.40 | Gel Str. 10 sec, lb/100 ft2 | 19.00 | Gel Str. 10 min, lb/100 ft2 | 54.00 | Gel str. 30 min, lb/100 ft2 | 72.00 | Apparent viscosity | 115.15 | Plastic viscosity | 78.20 | Yp, lb/100 ft2 | 73.90 | pH | 10.53 | Density, ppg | 16.30 |
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is the shear stress at rpm. |