hundreds of chemicals may be used
May, as in maybe, maybe not, we don't know.
The links I provided are actual chemicals used and their maximum concentration. The FracFocus.org site list them by specific wells.
I don't claim to have read every combination, but I haven't found one that uses acetone, and they do not show up on the lists of chemicals considered for use.
I was reading in my Alma Mater’s magazine about the fracking, and the guy said that yes there are hundreds of various chemicals used, but that it is primarily water, the propants (sp?) and a FEW chemicals that are designed to work in the environment of each specific well (I imagine things like temperature, pH, etc.).
Pretty much what your research has also shown.