Effect of Acid Activation-Hydrophilic-Modified Sepiolite on Comprehensive Properties of Oil-Well Cement

Table 2

Slurry components of different modified sepiolite contents.

No.	Cement	Water	Dispersant	Enhancer	Retarder	Defoamer	Expanding agent	Filtrate reducer
Cement	800	370	4	16	2	3	8	18
Cement + 0.5% HPS	800	370	4	16	2	3	8	18
Cement + 1.0% HPS	800	370	5	16	2	3	8	18
Cement + 1.5% HPS	800	370	6	16	2	4	8	18
Cement + 2.0% HPS	800	370	8	16	2	5	8	18
Cement + 2.5% HPS	800	370	—	16	2	6	8	18
Cement + 3.0% HPS	800	370	—	16	2	6	8	18
Cement + 5.0% HPS	800	370	—	16	2	7	8	18
Cement + 7.0% HPS	800	370	—	16	2	8	8	18
Cement + 9.0% HPS	800	370	—	16	2	8	8	18
Cement + 0.5% H-HPS/S-O-H-HPS	800	370	4	16	2	3	8	18
Cement + 1.0% H-HPS/S-O-H-HPS	800	370	4	16	2	3	8	18
Cement + 1.5% H-HPS/S-O-H-HPS	800	370	4	16	2	3	8	18
Cement + 2.0% H-HPS/S-O-H-HPS	800	370	4	16	2	3	8	18
Cement + 2.5% H-HPS/S-O-H-HPS	800	370	4	16	2	3	8	18
Cement + 3.0% H-HPS/S-O-H-HPS	800	370	4	16	2	3	8	18
Cement + 5.0% H-HPS/S-O-H-HPS	800	370	4	16	2	3	8	18
Cement + 7.0% H-HPS/S-O-H-HPS	800	370	4	16	2	3	8	18
Cement + 9.0% H-HPS/S-O-H-HPS	800	370	4	16	2	3	8	18

Units: g.