Code comparison of methane hydrate reservoir simulators using CMG STARS
Abstract
Natural gas is an important energy source contributing to 23% of the total energy consumption in United States. Domestic conventional natural gas production does not keep pace with increase in natural gas demand. Development of new alternatives like natural gas from methane hydrate can play a major role in ensuring adequate future energy supplies in the United States.;Methane hydrates are crystalline solids, very similar to ice, in which non-polar molecules are trapped inside the cages of water molecules. Methane hydrates could be potentially a vast source of energy. It is estimated that the total amount of natural gas trapped inside the hydrate is approximately two times the total unconventional oil-gas reserves in the world. The production of natural gas from hydrates economically poses a big challenge to today's scientific world. Over the years, different reservoir simulators were developed and different approaches have been used to model the gas hydrate dissociation behavior. The National Energy Technology Laboratory (NETL) and the U.S Geological Survey (USGS) gas hydrate code comparison project is the first of its kind and it aims at a worldwide understanding of the hypotheses involved in the gas hydrate modeling and problem solving. This code comparison study is conducted to compare various hydrate reservoir simulators like CMG STARS, TOUGH-Fx/Hydrate, MH21, STOMP, HydrateResSim and a code form University of Houston.;The objective of this Project is to generate results…
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