Simulator helps analyze horizontal-well tests

Mabruk Methnani PRC Inc. Doha, Qatar Pressure analysis [21,383 bytes] A reservoir simulator provides a means for analyzing horizontal-well tests that are a challenge because of their anisotropy and multiflow regimes. To demonstrate the capabilities of a reservoir simulator for this type of analysis, a simplified well test was simulated using Oasis, PRC Inc.'s in-house desktop reservoir simulator. Important flow events and their timings are highlighted and cross-checked with analytical predictions. Effects of layering and vertical barriers are also simulated and some test design guidelines are noted. Base case A clean-cut well test wa...

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