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

Table 13

Pressure and cement slurry performance.

Test pressure (MPa)	Thickening time (min)	Compressive strength (MPa)
0	312	14.2
10	301	13.8
20	283	14.7
30	268	15.5