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Subsurface CO2 storage in geologic traps–Procedures for evaluating trap adequacy by Peter Vrolijk; Will Maze; Gary Teletzke; Thomas E. Jones is a Engineering article available to read on EtoBox.

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The oil and gas industry has a long history of evaluating the adequacy of subsurface traps for containing buoyant fluids and has developed methods for weighing the geologic probability of trap leakage when limited data are available. We have adapted these methods for evaluating the adequacy of sub-surface saline formation traps for CO 2 storage. A principal difference in the evaluation for gas and oil exploration versus CO 2 storage is that the probability of leakage is viewed differently. The oil and gas industry tolerates substantial leak probabilities in exploration if the potential gas or oil accumulation is sufficiently large, but the tolerance for CO 2 leakage (i.e. the probability of injected CO 2 returning to the surface) will likely be much lower, and that low tolerance has the potential to limit the amount of CO 2 injected into a subsurface trap. We consider three types of saline formation traps: x Depleted gas or oil fields x Drilled trap structures that failed to discover commercial gas or oil volumes x Undrilled trap structures Each of these types has some probability of CO 2 leakage, but the geologic probability is smaller and better constrained in depleted gas or oil

Who reads Subsurface CO2 storage in geologic traps–Procedures for evaluating trap adequacy?

Author

Peter Vrolijk; Will Maze; Gary Teletzke; Thomas E. Jones

Publisher

Elsevier ; Elsevier BV (ISSN 1876-6102)

Published

2011

Language

EN

Field

Engineering (Physical Sciences)