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Gas Hydrate Resource Assessment of the United States Outer Continental Shelf: Pacific Margin Methodology

Frye, Matthew *1; Piper, Kenneth 2; Schuenemeyer, John 3
(1) Bureau of Ocean Energy Management, Herndon, VA.
(2) Bureau of Ocean Energy Management, Camarillo, CA.
(3) Southwest Statistical Consulting, LLC, Cortez, CO.

The Bureau of Ocean Energy Management (BOEM; formerly the Minerals Management Service) is a U. S. Department of the Interior bureau charged with managing the nation’s natural gas, oil, and other mineral resources on 1.76 billion acres of the U.S. Outer Continental Shelf (OCS). Over the past several years, BOEM has worked to develop an assessment methodology to evaluate the resource potential of natural gas hydrate across the entire OCS, including the Alaskan, Atlantic, Gulf of Mexico, and Pacific margins. Preliminary assessment results were published for the Gulf of Mexico OCS in 2008, reporting a mean in-place volume of 606.87 trillion cubic meters. Recently, the BOEM Gulf of Mexico assessment model structure has been modified in an effort to recognize the local geologic complexities of the Pacific OCS margin. In this paper, we report on major model changes that allow for the adaptation of the Gulf of Mexico model to the Pacific OCS, including the integration of bottom-simulating reflectors, crustal age, geothermal gradients, stochastic prediction of reservoir facies, and gas migration model modifications.

 

AAPG Search and Discovery Article #90142 © 2012 AAPG Annual Convention and Exhibition, April 22-25, 2012, Long Beach, California