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2. Fracking - Wikipedia

   en.wikipedia.org/wiki/Fracking

   Hydraulic fracturing [a] is a well stimulation technique involving the fracturing of formations in bedrock by a pressurized liquid. The process involves the high-pressure injection of "fracking fluid" (primarily water, containing sand or other proppants suspended with the aid of thickening agents) into a wellbore to create cracks in the deep rock formations through which natural gas, petroleum ...

3. Well stimulation - Wikipedia

   en.wikipedia.org/wiki/Well_stimulation

   Hydraulic fracturing (fracking) and acidizing are two of the most common methods for well stimulation. These well stimulation techniques help create pathways for oil or gas to flow more easily, ultimately increasing the overall production of the well. [1] Well stimulation can be performed on an oil or gas well located onshore or offshore.

4. Fracking and radionuclides - Wikipedia

   en.wikipedia.org/wiki/Fracking_and_radionuclides

   Hydraulic fracturing is the propagation of fractures in a rock layer by pressurized fluid. Induced hydraulic fracturing or hydrofracking, commonly known as fracking, is a technique used to release petroleum, natural gas (including shale gas, tight gas and coal seam gas), or other substances for extraction, particularly from unconventional reservoirs. [1]

5. Fracking in the United States - Wikipedia

   en.wikipedia.org/wiki/Fracking_in_the_United_States

   Environmental Protection Agency illustration of the water cycle of hydraulic fracturing. Fracking in the United States began in 1949. [1] According to the Department of Energy (DOE), by 2013 at least two million oil and gas wells in the US had been hydraulically fractured, and that of new wells being drilled, up to 95% are hydraulically fractured.

6. How Well Do You Really Understand Fracking? - AOL

   www.aol.com/news/2014-02-22-how-well-do-you...

   Many people have heard the term "fracking" and how it is the future of the U.S. economy, but know very little about what it actually entails. The motivations of the various sides in the debate ...

7. Fault zone hydrogeology - Wikipedia

   en.wikipedia.org/wiki/Fault_zone_hydrogeology

   Hydraulic fracturing (fracking) requires increasing the interconnectedness of the pore space (in other words, permeability) of shale to allow the gas to flow through the rock, and very small deliberately induced seismic activity of magnitudes smaller than 1 are applied to enhance rock permeability.

8. I used to work at fracking sites. Now, I’m all-in on clean ...

   www.aol.com/used-fracking-sites-now-m-174040894.html

   I oversaw the acquisition and operation of 50- to 100-ton truck cranes needed for hydraulic fracking. I also managed work crews who drove pick-up trucks around drill sites checking heavy rubber ...

9. Completion (oil and gas wells) - Wikipedia

   en.wikipedia.org/wiki/Completion_(oil_and_gas_wells)

   This may be done by injecting fluids at high pressure (hydraulic fracturing), injecting fluids laced with round granular material (proppant fracturing), or using explosives to generate a high pressure and high speed gas flow (TNT or PETN up to 1,900,000 psi (13,000,000 kPa) ) and (propellant stimulation up to 4,000 psi (28,000 kPa) ).