lAnalyse d'une fuite par faille de l'installation de stockage souterrain de gaz natlurel de Leroy, Wyoming, USA

Translated title of the contribution: Analysis of fault leakage from Leroy underground natural gas storage facility, Wyoming, USA

Mingjie Chen, Thomas A. Buscheck, Jeffrey L. Wagoner, Yunwei Sun, Joshua A. White, Laura Chiaramonte, Roger D. Aines

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Leroy natural-gas storage site is an anticlinal, fault-bounded, aquifer-storage system located in Wyoming, USA. Based on its abundant data, uncontrolled leakage history and subsequent control by the facility operators, a modeling framework was developed for studying reservoir behavior, examining pressure and gas-inventory histories, as well as gas and brine leakage, and evaluating the sensitivity of that behavior to uncertainty about reservoir properties. A three-dimensional model capturing the bounding fault, layered geologic stratigraphy, and surface topography was calibrated by history data of reservoir pressure and gas inventory. The calibrated model predicted gas arrival at the ground surface that was consistent with the timing of observed gas bubbling into a creek. A global sensitivity analysis was performed to examine the parameters influencing fault leakage, and a geomechanical stability analysis was conducted to investigate the likelihood of fault reactivation. In general, it is shown that a discrete leakage pathway is required to explain the observed gas leakage and its subsequent operational control by reducing reservoir pressures. Specifically, the results indicate that fault leakage is a plausible explanation for the observed gas leakage. The results are relevant to other natural-gas storage sites, as well as other subsurface storage applications of buoyant fluids, such as CO2.

Original languageFrench
Pages (from-to)1429-1445
Number of pages17
JournalHydrogeology Journal
Volume21
Issue number7
DOIs
Publication statusPublished - Nov 2013

Fingerprint

gas storage
leakage
natural gas
gas
history
analysis
stability analysis
reactivation
brine
sensitivity analysis
stratigraphy
topography
aquifer
fluid
modeling

Keywords

  • Fault
  • Gas leakage
  • Natural gas
  • Underground storage
  • USA

ASJC Scopus subject areas

  • Earth and Planetary Sciences (miscellaneous)
  • Water Science and Technology

Cite this

Chen, M., Buscheck, T. A., Wagoner, J. L., Sun, Y., White, J. A., Chiaramonte, L., & Aines, R. D. (2013). lAnalyse d'une fuite par faille de l'installation de stockage souterrain de gaz natlurel de Leroy, Wyoming, USA. Hydrogeology Journal, 21(7), 1429-1445. https://doi.org/10.1007/s10040-013-1020-1

lAnalyse d'une fuite par faille de l'installation de stockage souterrain de gaz natlurel de Leroy, Wyoming, USA. / Chen, Mingjie; Buscheck, Thomas A.; Wagoner, Jeffrey L.; Sun, Yunwei; White, Joshua A.; Chiaramonte, Laura; Aines, Roger D.

In: Hydrogeology Journal, Vol. 21, No. 7, 11.2013, p. 1429-1445.

Research output: Contribution to journalArticle

Chen, Mingjie ; Buscheck, Thomas A. ; Wagoner, Jeffrey L. ; Sun, Yunwei ; White, Joshua A. ; Chiaramonte, Laura ; Aines, Roger D. / lAnalyse d'une fuite par faille de l'installation de stockage souterrain de gaz natlurel de Leroy, Wyoming, USA. In: Hydrogeology Journal. 2013 ; Vol. 21, No. 7. pp. 1429-1445.
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