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底水油藏底水的锥进是一个十分复杂的过程,其水锥波及范围与含油高度和井点累产油量相关。临2块馆二段底水油藏利用油藏数值模拟,结合不同时期调整井的油水界面及其投产后的生产动态变化情况,研究了水锥规模,认为在距油层顶3m处相距老井100m外即可形成剩余油富集区,具备水平井调整的潜力。在此认识上应用短半径水平井深度挖掘油藏潜力取得了较好效果。
Bottom water reservoir Bottom water coning is a very complex process, the water coning wave range and oil height and well point related to cumulative oil production. The second stage reservoir 2 reservoir bottom water reservoir numerical reservoir simulation, combined with different periods of well-adjusted oil-water interface and its production after the dynamic changes in production, the size of the water cone, that the distance from the top of the reservoir 3m old wells 100m can be formed outside the remaining oil-rich areas, with the potential of horizontal well adjustment. In this understanding, the application of short radius horizontal well depth to tap the reservoir potential has achieved good results.