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

Abstract

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.

Authors:
ORCiD logo [1];  [1];  [2];  [2];  [3]
+ Show Author Affiliations
  1. National Energy Technology Lab. (NETL), Morgantown, WV (United States); West Virginia Univ., Morgantown, WV (United States)
  2. National Energy Technology Lab. (NETL), Morgantown, WV (United States)
  3. National Energy Technology Lab. (NETL), Morgantown, WV (United States); AECOM, Pittsburgh, PA (United States)
Publication Date:
Research Org.:
National Energy Technology Laboratory (NETL), Pittsburgh, PA, Morgantown, WV, and Albany, OR (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1482374
Alternate Identifier(s):
OSTI ID: 1548872
Grant/Contract Number:  
FE0004000
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Natural Gas Science and Engineering
Additional Journal Information:
Journal Volume: 51; Journal Issue: C; Journal ID: ISSN 1875-5100
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
03 NATURAL GAS; Gas hydrates; Numerical simulations; Alaska North Slope hydrates; Relative permeability; Grain thermal conductivity; Hydrate reservoirs with aquifer

Citation Formats

Ajayi, Taiwo, Anderson, Brian J., Seol, Yongkoo, Boswell, Ray, and Myshakin, Evgeniy M. Key aspects of numerical analysis of gas hydrate reservoir performance: Alaska North Slope Prudhoe Bay Unit “L-Pad” hydrate accumulation. United States: N. p., 2018. Web. doi:10.1016/j.jngse.2017.12.026.
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Ajayi, Taiwo, Anderson, Brian J., Seol, Yongkoo, Boswell, Ray, & Myshakin, Evgeniy M. Key aspects of numerical analysis of gas hydrate reservoir performance: Alaska North Slope Prudhoe Bay Unit “L-Pad” hydrate accumulation. United States. https://doi.org/10.1016/j.jngse.2017.12.026
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Ajayi, Taiwo, Anderson, Brian J., Seol, Yongkoo, Boswell, Ray, and Myshakin, Evgeniy M. Tue . "Key aspects of numerical analysis of gas hydrate reservoir performance: Alaska North Slope Prudhoe Bay Unit “L-Pad” hydrate accumulation". United States. https://doi.org/10.1016/j.jngse.2017.12.026. https://www.osti.gov/servlets/purl/1482374.
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@article{osti_1482374,
title = {Key aspects of numerical analysis of gas hydrate reservoir performance: Alaska North Slope Prudhoe Bay Unit “L-Pad” hydrate accumulation},
author = {Ajayi, Taiwo and Anderson, Brian J. and Seol, Yongkoo and Boswell, Ray and Myshakin, Evgeniy M.},
abstractNote = {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.},
doi = {10.1016/j.jngse.2017.12.026},
journal = {Journal of Natural Gas Science and Engineering},
number = C,
volume = 51,
place = {United States},
year = {Tue Jan 02 00:00:00 EST 2018},
month = {Tue Jan 02 00:00:00 EST 2018}
}
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Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
https://doi.org/10.1016/j.jngse.2017.12.026
Copyright Statement
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Citation Metrics:
Cited by: 26 works
Citation information provided by
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Figures / Tables:

Table 1. Table 1.: Case Matrix and Description of Scenarios
All figures and tables (6 total)
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Works referenced in this record:

Regional long-term production modeling from a single well test, Mount Elbert Gas Hydrate Stratigraphic Test Well, Alaska North Slope
journal, February 2011

The Iġnik Sikumi Field Experiment, Alaska North Slope: Design, Operations, and Implications for CO 2 –CH 4 Exchange in Gas Hydrate Reservoirs
journal, December 2016

Occurrence of gas hydrate in Oligocene Frio sand: Alaminos Canyon Block 818: Northern Gulf of Mexico
journal, September 2009

Evaluation of Long-Term Gas-Hydrate-Production Testing Locations on the Alaska North Slope
journal, April 2012

  • Collett, Timothy S.; Boswell, Ray; Lee, Myung W.
  • SPE Reservoir Evaluation & Engineering, Vol. 15, Issue 02
  • DOI: 10.2118/155504-PA

Coupled flow and geomechanical analysis for gas production in the Prudhoe Bay Unit L-106 well Unit C gas hydrate deposit in Alaska
journal, August 2012

  • Kim, Jihoon; Moridis, George J.; Rutqvist, Jonny
  • Journal of Petroleum Science and Engineering, Vol. 92-93
  • DOI: 10.1016/j.petrol.2012.04.012

Key Findings of the World’s First Offshore Methane Hydrate Production Test off the Coast of Japan: Toward Future Commercial Production
journal, February 2017

Dissociation Behavior of Methane Hydrate in Sandy Porous Media below the Quadruple Point
journal, July 2012

  • Konno, Yoshihiro; Uchiumi, Takashi; Oyama, Hiroyuki
  • Energy & Fuels, Vol. 26, Issue 7
  • DOI: 10.1021/ef300628c

Analysis of formation pressure test results in the Mount Elbert methane hydrate reservoir through numerical simulation
journal, February 2011

The water retention curve and relative permeability for gas production from hydrate-bearing sediments: pore-network model simulation: WATER RETENTION AND PERMEABILITY
journal, August 2016

  • Mahabadi, Nariman; Dai, Sheng; Seol, Yongkoo
  • Geochemistry, Geophysics, Geosystems, Vol. 17, Issue 8
  • DOI: 10.1002/2016GC006372

Numerical simulations of depressurization-induced gas production from gas hydrates using 3-D heterogeneous models of L-Pad, Prudhoe Bay Unit, North Slope Alaska
journal, September 2016

  • Myshakin, Evgeniy M.; Ajayi, Taiwo; Anderson, Brian J.
  • Journal of Natural Gas Science and Engineering, Vol. 35
  • DOI: 10.1016/j.jngse.2016.09.070

Evaluation of gas production potential from gas hydrate deposits in National Petroleum Reserve Alaska using numerical simulations
journal, November 2016

  • Nandanwar, Manish S.; Anderson, Brian J.; Ajayi, Taiwo
  • Journal of Natural Gas Science and Engineering, Vol. 36
  • DOI: 10.1016/j.jngse.2016.11.021

Mount Elbert Gas Hydrate Stratigraphic Test Well, Alaska North Slope: Coring operations, core sedimentology, and lithostratigraphy
journal, February 2011

Alaska North Slope regional gas hydrate production modeling forecasts
journal, February 2011

Physical properties of sediment from the Mount Elbert Gas Hydrate Stratigraphic Test Well, Alaska North Slope
journal, February 2011

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    Works referencing / citing this record:

    Coupled Numerical Modeling of Gas Hydrate-Bearing Sediments: From Laboratory to Field-Scale Analyses
    journal, December 2018

    • Sánchez, Marcelo; Santamarina, Carlos; Teymouri, Mehdi
    • Journal of Geophysical Research: Solid Earth, Vol. 123, Issue 12
    • DOI: 10.1029/2018jb015966
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      Figures / Tables found in this record:

      Table 1. (p. 3)table
      Figure 1: (p. 5)figure
      Figure 2: (p. 6)figure
      Figure 3: (p. 8)figure
      Figure 4: (p. 9)figure
      Figure 5: (p. 11)figure
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