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CO2 Storage Plumes and Fault Encounters

Source:  Dan Hawkes

SanjoaqinbasinThe large storage volume needed for geologic carbon storage to be effective requires injection into pore space saturated with saline water in reservoir strata overlain by cap rock. One of the main concerns regarding storage in such rock is leakage via faults. A fault encounter probability approach was applied by ESD scientists Preston Jordan and Curt Oldenburg to a case study in the southern part of the San Joaquin Basin, California, with the result that the probability of a carbon dioxide plume from a previously planned injection had a 3% chance of encountering a fully seal-offsetting fault.

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Citation: Jordan, P.D., C.M. Oldenburg, and J.-P. Nicot (2013), Measuring and modeling fault density for CO2 storage plume fault encounter probability estimation. AAPG Bulletin, 97 (4), 597–618.

Funding Source: FE, ZERT