Presentation - Halliburton

Groundwater Contamination: Effects from Hydraulic
Fracturing Fluids
The API study analysed the risk of contamination from properly constructed
Class II injection wells to an Underground Source of Drinking Water
(USDW) due to corrosion of the casing and failure of the casing cement
seal. Using this, the ICF study (and New York State, 2009) identified that
the “probability of fracture fluids reaching a USDW due to failures in the
casing or casing cement is estimated at less than 2 x 10-8 (fewer than 1 in
50million wells)”. On this basis the ICF study concludes that “hydraulic
fracturing does not present a reasonably foreseeable risk of significant
adverse environmental impacts to potential freshwater aquifers”
Wood, Ruth et al. Shale Gas: A Provisional Assessment of Climate Change and Environmental Impacts. January 2011.
New York State (2009) Supplemental generic environmental impact statement on the oil, gas and solution mining regulatory
program’ by the New York State Department of Environmental Conservation Division of Mineral Resources.
© 2012 HALLIBURTON. ALL RIGHTS RESERVED.
27