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

Table 3

XPS results of samples adsorbing FW-134 calculated by Gauss method.

Sample	Type of structure	Binding energy (eV)	Peak area (%)
A	C-H C-C	285.0	88.80
	C-O	286.5	5.70
	C=O	288.8	5.50
B	C-H C-C	285.0	14.22
	C-N C-C	285.7	46.07
	C-F	286.8	39.81
C	C-H C-C	285.0	18.37
	C-N C-C	285.7	38.90
	C-F	286.8	42.73