Table 8. Swelling Inhibition Efficiency of Several DESs.

author	shale sample	inhibitor	inhibitor conc.	time	efficiency (%)
Ma et al. (2021)	Na-bent	KCl	5 wt %	16 h	16.98
Ma et al. (2021)	Na-bent	polyether amino	5 wt %	16 h	25.41
Ma et al. (2021)	Na-bent	urea-DES	5 wt %	16 h	43.33
Ma et al. (2021)	Na-bent	glycol-DES	5 wt %	16 h	58.84
Ma et al. (2021)	Na-bent	oxa-DES	5 wt %	16 h	28
Ma et al. (2021)	Na-bent	ct-DES	5 wt %	16 h	23.34
Jia et al. (2019a)	Na-bent	KCl	5 w/v %	24 h	52.49
Jia et al. (2019a)	Na-bent	polyether diamine	2 w/v %	24 h	62.88
Jia et al. (2019a)	Na-bent	choline chloride	1 w/v %	24 h	65.25
Jia et al. (2019a)	Na-bent	CU-DES	1 w/v %	24 h	69.54
Jia et al. (2019a)	shale powder	KCl	5 w/v %	24 h	54.06
Jia et al. (2019a)	shale powder	polyether diamine	2 w/v %	24 h	63.67
Jia et al. (2019a)	shale powder	choline chloride	1 w/v %	24 h	69.07
Jia et al. (2019a)	shale powder	CU-DES	1 w/v %	24 h	72.67
Jia et al. (2019b)	Na-bent	KCl	5 w/v %	24 h	0.09
Jia et al. (2019b)	Na-bent	polyether diamine	2 w/v %	24 h	53.72
Jia et al. (2019b)	Na-bent	CM-DES	0.5 w/v %	24 h	50.13
Jia et al. (2019b)	Na-bent	CM-DES	1 w/v %	24 h	58.12
Jia et al. (2019b)	Na-bent	CM-DES	2 w/v %	24 h	60.45
Jia et al. (2019b)	Na-bent	CP-DES	0.5 w/v %	24 h	36.14
Jia et al. (2019b)	Na-bent	CP-DES	1 w/v %	24 h	67.98
Jia et al. (2019b)	Na-bent	CP-DES	2 w/v %	24 h	71.66
Jia et al. (2019b)	Na-bent	CIM-DES	0.5 w/v %	24 h	53.99
Jia et al. (2019b)	Na-bent	CIM-DES	1 w/v %	24 h	58.48
Jia et al. (2019b)	Na-bent	CIM-DES	2 w/v %	24 h	62.87
Beg et al. (2021)	Na-bent	KCl	5 w/v %	2 h	15.62
Beg et al. (2021)	Na-bent	BMIM(cl)	0.2 w/v %	2 h	23.71
Beg et al. (2021)	Na-bent	DES-I	0.2 w/v %	2 h	54.44
Beg et al. (2021)	Na-bent	DES-II	0.2 w/v %	2 h	70.34