Up to now, there have been no systemic methods suitable to evaluate hidden hill reservoirs and petroleum pool formation model.
迄今，还没有一套完整、系统、准确的测井解释、储层评价和预测方法适应于潜山油藏储层评价与成藏模式的研究。
Its reservoir with secondary porosity zone is also a key for petroleum pool formation, which is of distributary channel of fan delta front.
该构造储层属三角洲前缘亚相的水下分流河道微相沉积，并存在由成岩作用形成的次生孔隙发育带。
Such a result is consistent with the uneven distribution of petroleum pool caused by the sedimentary palaeoenvironment in Yan 'an formation and ancient geographic setting.
这种结果的出现与延安组沉积的古环境和古地理位置造成油藏分布的不均匀性是一致的。
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