Optimizing the long-term capacity expansion and protection of Iraqi oil infrastructure
Brown, Patrick S.
Brown, Gerald G.
Blais, Curtis L.
Nussbaum, Daniel A.
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We introduce a tri-level defender-attacker-defender optimization model that prescribes how Iraq's oil infrastructure can, over time, be expanded, protected, and operated, even in the face of insurgent attacks. The outer-most defender model is a mixedinteger program that, given a set of anticipated insurgent attacks, specifies a quarterly capital expansion, defense, and operation plan to maximize oil exports over a decade-long planning horizon. The intermediate attacker model, observing the outer defender plans, is a mixed integer program that re-optimizes insurgent attacks to minimize export flow. The inner-most defender model is a linear program that re-directs flow in response to insurgent damage. We use open-source descriptions of current Iraqi oil infrastructure and reasonable estimates of the costs to expand capacity and/or defend operating assets, and reduce vulnerability to attacks. We solve this tri-level model by converting it into an equivalent bi-level one, and applying decomposition. For a range of scenarios, we determine the best allocation of effort between improving oil export infrastructure, and defending it.
RightsThis publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. As such, it is in the public domain, and under the provisions of Title 17, United States Code, Section 105, is not copyrighted in the U.S.
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