Key aspects of numerical analysis of gas hydrate reservoir performance: Alaska North Slope Prudhoe Bay Unit “L-Pad” hydrate accumulation

Ajayi, Taiwo; Anderson, Brian J.; Seol, Yongkoo; Boswell, Ray; Myshakin, Evgeniy M.

doi:10.1016/j.jngse.2017.12.026

Title: Key aspects of numerical analysis of gas hydrate reservoir performance: Alaska North Slope Prudhoe Bay Unit “L-Pad” hydrate accumulation

Journal Article · Tue Jan 02 00:00:00 EST 2018 · Journal of Natural Gas Science and Engineering

DOI:https://doi.org/10.1016/j.jngse.2017.12.026· OSTI ID:1482374

^[1]; Anderson, Brian J. ^[1]; Seol, Yongkoo ^[2]; Boswell, Ray ^[2]; Myshakin, Evgeniy M. ^[3]

National Energy Technology Lab. (NETL), Morgantown, WV (United States); West Virginia Univ., Morgantown, WV (United States)
National Energy Technology Lab. (NETL), Morgantown, WV (United States)
National Energy Technology Lab. (NETL), Morgantown, WV (United States); AECOM, Pittsburgh, PA (United States)

In previous work, we reported the development of the 3D geostatistical hydrate reservoir model of "L-Pad" (Myshakin et al., 2016). Here, gas production sensitivity on key reservoir parameters are studied. Hydraulic communication with an aquifer and optimal depressurization strategies are subjects of investigation. Uncertainty in initial in situ permeability within 0.1–10 mD range leads to 2.0 × 10⁸–3.5 × 10⁸ ST m³ of gas produced over 10 years. Accounting for reservoir quality and irreducible water saturation leads to noticeable change in productivity. Lastly, sequential depressurization of hydrate-bearing units was found to be more attractive versus simultaneous depressurization.

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Research Organization:: National Energy Technology Laboratory (NETL), Pittsburgh, PA, Morgantown, WV, and Albany, OR (United States)

Sponsoring Organization:: USDOE

Grant/Contract Number:: FE0004000

OSTI ID:: 1482374

Alternate ID(s):: OSTI ID: 1548872

Journal Information:: Journal of Natural Gas Science and Engineering, Vol. 51, Issue C; ISSN 1875-5100

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 26 works

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Cited By (1)

Coupled Numerical Modeling of Gas Hydrate-Bearing Sediments: From Laboratory to Field-Scale Analyses Sánchez, Marcelo; Santamarina, Carlos; Teymouri, Mehdi Journal of Geophysical Research: Solid Earth, Vol. 123, Issue 12 https://doi.org/10.1029/2018jb015966	journal	December 2018

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