Integrated Reservoir Modeling of a Large Sour-Gas Field With High Concentrations of Inerts
- Nancy S. Huang (ExxonMobil Production Company) | Gary E. Aho (ExxonMobil Production Company) | Burton H. Baker (ExxonMobil Production Company) | Timothy R. Matthews (ExxonMobil Development Company) | Robert J. Pottorf (ExxonMobil Upstream Research Company)
- Document ID
- Society of Petroleum Engineers
- SPE Reservoir Evaluation & Engineering
- Publication Date
- August 2011
- Document Type
- Journal Paper
- 398 - 412
- 2011. Society of Petroleum Engineers
- 5.1.5 Geologic Modeling, 1.6 Drilling Operations, 5.2 Reservoir Fluid Dynamics, 3.3.6 Integrated Modeling, 5.4.2 Gas Injection Methods
- Large Sour-Gas Field, Integrated Reservoir Modeling, Acid gas reinjection, LaBarge Field, High Concentrations of Inerts
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- 830 since 2007
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The LaBarge project demonstrates the successful commercialization of a very large gas resource representative of the increasingly challenging projects faced by our industry. Three particularly distinctive aspects are (1) it is one of the largest acid-gas-reinjection projects in the world, (2) the composition is nearly 80% nonhydrocarbon, and (3) the initial compositional gradient cannot be explained by gravity segregation. This paper describes integrated reservoir-modeling studies conducted to evaluate key reservoir and operational uncertainties. The integrated studies led to a new hypothesis for the initial compositional gradient and illustrated fit-for-purpose modeling approaches for reservoir-fluid charging and mixing, black-oil simulation, and an integrated production network. The studies were used to optimize the drilling and depletion plan to maximize methane production with current facilities and end-of-field-life assumptions, and to analyze acid-gas injection (AGI) into the aquifer.
|File Size||3 MB||Number of Pages||15|
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