Simulation Breakthrough Time and Optimum Horizontal Well Location in Three Phase Systems
Abstract/Contents
- Abstract
- In this paper, a methodology is examined to predict the simultaneous gas and water breakthrough times and the optimum location for a horizontal well, defined as the location where the gas and water crests break through at the same time. The correlations established here are based on extensive simulation runs using a black-oil simulator. This approach follows that of Papatzacos et al (1) , though we generalize their work to account for reservoirs with finite dimensions and varying aquifer strength.The formulation is further extended for heterogeneous reservoirs with large correlation lengths of permeability in the horizontal direction. All reservoirs are synthetic and the properties are generated using unconditional sequential Gaussian simulation(3). It is shown that the ensemble-averaged performance can be predicted using effective horizontal and vertical permeabilities, which are obtained from single phase flow calculations. A new correlation is developed between the breakthrough time of individual realizations and the near-well horizontal permeability distribution. Using this correlation, reasonable predictions for simultaneous gas and water breakthrough times can be obtained for individual realizations.Utilization of flow-based effective vertical permeability proposed by Yamada(2) into the formulation yielded some promising results for the prediction of optimum well location for individual realizations. This is discussed in Appendix 2.
Description
| Type of resource | text |
|---|---|
| Date created | June 2000 |
Creators/Contributors
| Author | Aliyev, Shahin B. |
|---|---|
| Primary advisor | Hewett, Thomas A. |
| Degree granting institution | Stanford University, Department of Petroleum Engineering |
Subjects
| Subject | School of Earth Energy & Environmental Sciences |
|---|---|
| Genre | Thesis |
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Preferred citation
- Preferred Citation
- Aliyev, Shahin B. (2000). Simulation Breakthrough Time and Optimum Horizontal Well Location in Three Phase Systems. Stanford Digital Repository. Available at: https://purl.stanford.edu/vt804vz4572
Collection
Master's Theses, Doerr School of Sustainability
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