Numerical studies of depressurization-induced gas production from an interbedded marine turbidite gas hydrate reservoir model
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Abstract
The numerical simulation of thin hydrate-bearing sand layers interbedded with mud layers is investigated. In this model, the lowest hydrate layer occurs at the base of gas hydrate stability and overlies a thinly-interbedded saline aquifer. The predicted gas rates reach 6.25 MMscf/day (1.77 x 105 m3 /day) after 90 days of continuous depressurization with manageable water production. Development of horizontal dissociating interfaces between hydrate-bearing sand and mud layers is a primary determinant of reservoir performance. A set of simulations has been executed to assess uncertainty in in situ permeability and to determine the impact of the saline aquifer on productivity.
Suggested Citation
Myshakin, E., Lin, J., Uchida, S., Seol, Y., Collett, T.S., Boswell, R., 2017, Numerical studies of depressurization-induced gas production from an interbedded marine turbidite gas hydrate reservoir model, in Proceeding of the 9th International Conference on Gas Hydrates, Denver, CO, June 25-30, 2017, 18 p.
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | Numerical studies of depressurization-induced gas production from an interbedded marine turbidite gas hydrate reservoir model |
| Year Published | 2017 |
| Language | English |
| Contributing office(s) | Central Energy Resources Science Center |
| Description | 18 p. |
| Larger Work Type | Book |
| Larger Work Subtype | Conference publication |
| Larger Work Title | Proceeding of the 9th International Conference on Gas Hydrates |
| Conference Title | 9th International Conference on Gas Hydrates |
| Conference Location | Denver, CO |
| Conference Date | June 25-30, 2017 |