In this paper, the stratigraohic volume density and hydrogen index gained from the information of density-neutron logging are respectively compared with both the low-limit values of gas formation.
本文从密度和中子测井信息中提取的地层体积密度及含氢指数，分别同气层体积密度及含氢指数的下限值作比较，前者小于后者，直观指示为气层。
Lithology density logging method can measure the density and PE value of the formation at the same time, so it has been widely used in the oilfield.
岩性密度是同时测量地层密度和岩性的测井方法，目前在油田得到广泛推广。
Lithology density logging method can measure the density and PE value of the formation at the same time, so it has been widely used in the oilfield.
岩性密度是同时测量地层密度和岩性的测井方法，目前在油田得到广泛推广。
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