The biodiesel-based flat-rheology drilling fluid system
JIANG Guancheng,SHI He,HE Yinbo
Table 6 Breaking voltages of biodiesel-based emulsions before and after aging
Sample Condition Breaking voltage/V
Emulsion 1 Before aging 686
After aging 458
Emulsion 2 Before aging 615
After aging 583
Emulsion 3 Before aging 702
After aging 549