Where exactly will this CO2 be buried? How can you be sure it will be safely stored?

Due to its unique shape and secure geology, extensive geological analysis has identified the Elk Hills Oil Field as one of North America’s premier geologic traps for enhanced oil recovery and permanent CO2 storage. Millions of years ago, oil began migrating to the Elk Hills reservoir, where tiny pore spaces within the domelike structure of the sandstone formation retained oil. The oil has remained underground due to a thick, impenetrable layer of shale thousands of feet thick. HECA’s CO2 will be safely and securely injected 6,000 feet beneath the shale, which is equivalent to four Empire State buildings stacked one on top of the other. The CO2 will push the oil towards the production well, resulting in 5 million additional barrels of domestic oil each year.

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