The structural slope_break zone is favorable for the formation of petroleum accumulation.
构造坡折带是油气藏形成的极有利地带。
On that basis, the study area is evaluated and the favorable reservoir zone and gas accumulation zone are determined.
在此基础上，对研究区进行了评价，划分了有利储层发育带及有利含气储集带。
With the enhanced exploration and development of oilfield, in order to find more favorable hydrocarbon accumulation zone, or increase productivity, facies analysis is needed.
随着油田勘探开发程度的不断提高，要找到有利的油气聚集带和开发阶段提高采收率，都必须进行储层沉积相分析。
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