Fracking oil well
Fracking, in natural gas and petroleum production, injection of a fluid at high pressure into an underground rock formation in order to open fissures and allow trapped gas or crude oil to flow through a pipe to a wellhead at the surface. Fracking has raised concerns over its economic and environmental consequences. Hydraulic fracturing, commonly called fracking, is a drilling technique used for extracting oil or natural gas from deep underground. On March 17, 1949, a team of petroleum production experts converges on an oil well about 12 miles east of Duncan, Oklahoma – to perform the first commercial application of hydraulic fracturing. Later that same day, Halliburton and Stanolind company personnel successfully fractured another oil well near Holliday,