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。

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Source spacing is one of the key parameters of neutron logging tool, by which permeability precision, sensitivity, resolution of the logging tool are determined to a large extent.

源距是中子测井仪器的主要参数，它在很大程度上决定测井仪的孔隙度精度、灵敏度、分辨率以及环境因素影响状况。

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Various measuring results of model machine of array neutron logging in the model are introduced simultaneously.

同时介绍了阵列中子测井样机在模型井中的各种测量结果。

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Knowing that the supernova is 15, 000 years old, and logging the distance the neutron star had traveled in that time, Tomsick and his team were able to calculate its speed.

MSN: Runaway star may be fastest pulsar yet - Technology & science - Space - Space.com | NBC News

Precision steerable drilling hugely benefits from yet more technology real-time data from a technique called logging-while-drilling using technologies like gamma ray and neutron sensors that continuously analyze and report what precisely is in the ground at that point.

FORBES: Buckeye Oil Billions Will Unleash an Ohio Manufacturing Tech Boom