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普查石油与天然气矿藏通常采用地质普查和地球物理方法,目的是寻找有利于石油及天然气聚集的沉积岩构造。除用深钻外,这些方法不能断定构造中有或没有油藏或气藏,况且不是每一个良好的构造都是含油的。
Census of oil and gas Reservoirs usually use geological census and geophysical methods in order to find sedimentary rocks that favor the accumulation of oil and gas. With the exception of deep drilling, these methods can not determine the presence or absence of reservoirs or reservoirs in the structure, and not every well constructed is oil-bearing.