Classes of AdditivesPurposeExamples Acid Facilitates entry into rock formations hydrochloric acid Biocides Kill bacteria and reduce risk of fouling glutaraldehydeglutaraldehyde, 2,2 Dibromo-3-nitrilopropionamide2,2 Dibromo-3-nitrilopropionamide BreakerFacilitate proppant entryperoxodisulfates Clay stabilizerClay stabilizationsalts, ie tetramethylammonium chloridetetramethylammonium chloride Corrosion inhibitorWell maintenancemethanol CrosslinkerFacilitate proppant entrypotassium hydroxide Friction reducersImprove surface pressuresodium acrylate, polyacrylamideacrylatepolyacrylamide Gelling agentsProppant placementguar gum Iron controlWell maintenancecitric acidcitric acid, thioglycolic acidthioglycolic acid Scale inhibitorPrevention of precipitationammonium chlorideammonium chloride, ethylene glycol,polyaccrylateethylene glycolpolyaccrylate SurfactantReduction in fluid tensionmethanolmethanol, isopropanolisopropanol
www.thevalesaysno.com "significant potential risks to human health and the environment." January 2011
www.thevalesaysno.com Water Contamination Ground Contamination
www.thevalesaysno.com Lack of regulations Guardian Newspaper, 31 st August 2011
www.thevalesaysno.com Air Pollution Huffington Post 3 rd August 2011
www.thevalesaysno.com BBC News 31 st May 2011 Earthquakes?
www.thevalesaysno.com The Blackpool Gazette 16 th October 2011 “CONTROVERSIAL gas drilling DID cause Fylde coast earthquakes.” “..earth tremors felt nearby [Lancashire drilling site] were most likely to have been caused by fracking” British Geological Survey 16 th October 2011
www.thevalesaysno.com Western Mail 11 th June 2011 Over Estimated Reserves Business Insider 24 th Aug 2011
www.thevalesaysno.com Multiple Drill Rigs Wyoming, USA
www.thevalesaysno.com Volume of Water Used “On average, each well will use approx. 1 - 8 million gallons of water per frack”
www.thevalesaysno.com Tourism Property Value Increased Traffic Other areas of concern..