Design of facile technology for the efficient removal of hydroxypropyl guar gum from fracturing fluid
Fig 3
XPS full-scan spectrum of (a) simulated fracturing fluid-0 and (d) simulated fracturing fluid (after gel-breaking). High-solution C 1s XPS spectra of (b) simulated fracturing fluid-0 and (e) simulated fracturing fluid. High-solution N 1s XPS spectra of (c) simulated fracturing fluid-0 and (f) simulated fracturing fluid.