研究表明：水平井比直井更利于改善和提高油田开采效果。
Study shows that horizontal well is better than vertical well for improving production result.
本文运用数值模拟技术，研究了采注比对蒸汽驱开采效果的影响。
This pa- per investigates the effect of production and injection ratio on steam flooding performance, by means of numerical simulation.
碎屑岩储层渗透率分布非均匀性是直接影响油气开采效果的客观因素。
The heterogeneity of the permeability distribution in clastic rock reservoirs is the objective factor that directly affects the efficiency of petroleum production.
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