Stability of Fluorosurfactant Adsorption on Mineral Surface for Water Removal in Tight Gas Reservoirs

Table 1

XPS element content data of sample systems adsorbing FW-134.

Content (%)	Al2p	Si2p	C1s	K2p	O1s	F1s	N1s	S2p
Sample A	13.245	17.383	11.470	4.950	51.768	0.598	0.577	0.502
Sample B	10.269	13.458	7.588	4.689	43.194	17.545	2.092	1.166
Sample C	9.3410	11.949	10.377	4.327	37.953	22.037	2.616	1.400