A Low-Cost and Low-Density Cement Slurry System Suitable for a Shallow Unconsolidated Stratum

Table 5

Rheological properties of the cement slurry with different dispersant contents.

Dispersant addition (%)	Ф3	Ф6	Ф100	Ф200	Ф300	Ф600	Free water (%)
0	17	21	103	149	188	—	0
2	16	19	91	131	164	272	0
4	12	15	77	116	149	225	0
6	8	12	61	102	136	220	0
8	6	10	53	95	126	197	0.2