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Enhanced Oil Recovery: Safety

Enhanced Oil Recovery: Safety

Full Title: Enhanced Oil Recovery: Safety
Author(s): Center for Climate and Energy Solutions
Publisher(s): Center for Climate and Energy Solutions
Publication Date: February 1, 2012
Full Text: Download Resource
Description (excerpt):

CO2 is non-flammable and nonexplosive. It is not defined as a hazardous substance, but a Class L, highly volatile, nonflammable/nontoxic material (CFRg, CFRe, Appendix B, Table 4). (WRI, 2008)

Operating for 40 years, CO2 pipelines have an excellent safety record with no serious injuries  or fatalities ever reported. Today there are over 3,900 miles of pipeline transporting CO2 for EOR use at wells producing 281,000 (MIT 2011) barrels of oil per day. The industry has operated for decades under existing policy and regulatory oversight at the local, state and federal level.

Geologic storage of CO2 is also regulated under existing policies and regulations. CO2 is contained by a series of physical and chemical trapping mechanisms over time. Most formations that hold oil for thousands of years also have the ability to contain CO2. As an example, research by the University of Texas Bureau of Economic Geology’s Gulf Coast Carbon Center on the SACROC oil field, where CO2 has been injected for EOR since 1972, has found no evidence of CO2 leakage (TBEG). Experience from this decades-old CO2-EOR project and current commercial-scale CO2-EOR projects today shows that CO2-EOR can be performed in a manner that is safe for both human health and the environment.

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