Study on Fluid-Rock Interaction and Reuse of Flowback Fluid for Gel Fracturing in Desert Area

Table 2

Analysis of total suspended solids and residual gel breakers in the flowback fluid in Tarim Oilfield.

Sample Name	5 ppm Ammonium persulfate	10 ppm; Ammonium persulfate	50 ppm; Ammonium persulfate	Sample 1#; (Early time)	Sample 2#; (Mid time)	Sample 3#; (Late time)
Total suspended solid (mg/L)	/	/	/	530	260	360
Color change	Blue	Blue	Blue	No change	No change	No change