timeline of fracking technologies

Year	Summary	Location	Company	Volume (US gal.)	Fluid
Conventional
1947	First hydraulic frac	Kansas	Stanolind Oil	1,000	Napalm
1949	First commercial frac	Oklahoma	Halliburton Oil Well Cementing Company	1,000	Crude Oil and Gasoline
1957	Typical frac	Texas	Continental Oil	10,000	Diesel oil
1974	Typical frac	Colorado	Amoco	50,000	Polymer emulsion
1988	Typical frac	Oklahoma	Amoco	60,000	Carbon dioxide foam
Unconventional (Shale)
1986	First massive hydraulic gel frac	Texas	Mitchell Energy	400,000	Cross-linked gel
1997	First slickwater hydraulic frac	Texas	Mitchell Energy	800,000	Slickwater
2008	Typical horizontal Barnett Shale frac	Texas	Devon energy	3,500,000	Slickwater
2010	Typical horizontal Marcellus Shale frac	Pennsylvania	Chesapeake Energy	5,500,000	Slickwater
2011	10 well frac-pad	Pennsylvania	Consol Energy	47,000,000	Slickwater

Table comparing the evolution in the size of hydraulic fracturing treatments over the last 60 years (see Hydraulic Fracturing: History of AN ENDURING TECHNOLOGY for some of the early history and see Oil Shale Gas: Marcellus Shale and Shale Gas Wiki: Amount of Water Used for more recent developments)

http://frack-off.org.uk/if-fracking-has-been-happening-since-1947-what-is-there-to-worry-about/