Frac W/Liquid PropaneSounds like a good Idea, Propane stays liquid at -44c or at around 200psi compression. As a liquid it could carry a proping agent like sand to hold fractures open. Once it was liquid you could compress the crap out of it and it would definatly fracture the shale. there would be no water usage, nothing to swell shales,Once the well flowing you should be able to strip off the propane for 100 percent recovery re-liquify to contiue fracking or reliquify and store in bulkers for your next frac . Initial costs might be big but I suppose as long as one was recovering the propane and re-using it your cost would come down ever time you re-used it
Sounds good, Eco friendly
I'll have to ask around and see what others in the field think. I like it
Gasfrac is a public company also , Ticker GFS
Could be a money maker