Research Article
Laboratory Study on a New Composite Plugging Material with High Bearing Strength and High-Temperature Resistance
Table 3
Compatibility evaluation of plug materials and drilling fluid.
| | No | Formula | ρ (g/cm3) | AV (mPa·s) | PV (mPa·s) | YP (Pa) | Gel10 s/gel10 min (Pa/Pa) | FLAPI (mL) |
| | a | Drilling | 1.80 | 65 | 57 | 8 | 1.5/2.0 | 3.8 | | Drilling and plug materials | 1.86 | 75 | 64 | 11 | 2.0/2.5 | 3.6 |
| | b | Drilling | 2.00 | 88 | 76 | 12 | 2.0/2.6 | 3.6 | | Drilling and plug materials | 2.05 | 97 | 80 | 16 | 2.0/3.0 | 3.2 |
| | Remark | a: at room temperature (25°C), 16 h; b: at high temperature (200°C), 16 h |
|
|
