Chevron Canada believes in responsible development and in protecting the environment and the communities where it operates. In Alberta, Chevron is conducting its Kaybob Duvernay shale gas appraisal program, utilizing horizontal drilling and multi-stage hydraulic fracturing technologies in accordance with all regulations prescribed by the Alberta Energy Regulator (AER).
Chevron is a member of the Canadian Association of Petroleum Producers (CAPP) and abides by its Guiding Principles for Hydraulic Fracturing. Chevron supports the disclosure of chemicals used in hydraulic fracturing. Water and sand constitute more than 99 percent of the fracturing fluid.
In 2012 the AER initiated reporting of fracturing fluid using FracFocus.ca. FracFocus has been adopted as the standard reporting mechanism for North America. Chevron Canada’s fracturing fluids will be reported using this process.
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Hydraulic Fracturing Safeguards
- Hydraulic fracturing of thousands of wells over the past 60 years in many countries has shown that such operations can be done safely and with no harm to the environment, including aquifers and groundwater supplies.
- The Alberta Energy Regulator (AER) requires that any hydraulic fracture fluids used above the base of groundwater protection be non-toxic and that the company reveal the contents of the fluids upon request.
- The AER requires that the type and volume of all additives used in fracture fluids be recorded in the daily record of operations for any well. This information must be submitted to the regulator.
- The AER’s regulatory requirements are designed to prevent any hydraulic fracturing fluid from mixing or entering groundwater or surface water regardless of whether or not it contains toxic chemicals.
- These requirements include ensuring the use of steel casing and full cementing of the wellbore so that any fluid inside the casing cannot mix with water in the formations the well passes through. Any produced fluids that are returned to the surface, such as hydraulic fracture fluid and salt water from the producing geologic formation, must be handled, stored, and disposed of under the strict regulations of the AER. No fluids, including those that have been treated, are ever allowed to be released into a natural water body.