On an inverse source problem for enhanced oil recovery by wave motion maximization in reservoirs

Pranav M. Karve, Sezgin Kucukcoban, Loukas F. Kallivokas

Research output: Contribution to journalArticlepeer-review

11 Scopus citations


© 2014, Springer International Publishing Switzerland. We discuss an optimization methodology for focusing wave energy to subterranean formations using strong motion actuators placed on the ground surface. The motivation stems from the desire to increase the mobility of otherwise entrapped oil. The goal is to arrive at the spatial and temporal description of surface sources that are capable of maximizing mobility in the target reservoir. The focusing problem is posed as an inverse source problem. The underlying wave propagation problems are abstracted in two spatial dimensions, and the semi-infinite extent of the physical domain is negotiated by a buffer of perfectly-matched-layers (PMLs) placed at the domain’s truncation boundary. We discuss two possible numerical implementations: Their utility for deciding the tempo-spatial characteristics of optimal wave sources is shown via numerical experiments. Overall, the simulations demonstrate the inverse source method’s ability to simultaneously optimize load locations and time signals leading to the maximization of energy delivery to a target formation.
Original languageEnglish (US)
Pages (from-to)233-256
Number of pages24
JournalComputational Geosciences
Issue number1
StatePublished - Dec 28 2014
Externally publishedYes


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