A new type of compensated neutron logging probe with grass scintillators has been designed.
研制成功玻璃闪烁体补偿中子测井探头。
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。
It is showed that compensated neutron logging can be realized by using neutron generator instead of isotopic neutron source.
结果表明，可以用中子发生器代替同位素中子源实现补偿中子测井。
Three different nuclear logging combinations can be formed according to thermal neutron logging, epithermal neutron logging and density logging.
根据热中子测井、超热中子测井和密度测井，可以形成三种不同的核测井组合。
This paper systematically accomplishes the numerical simulation of dual-spaced wall contact Compensated Neutron logging and gamma ray energy spectrum logging.
本文对补偿中子贴壁测井和自然伽马能谱测井的实际问题进行了数值模拟研究。
Based on MCNP, authors developed the software package of the Monte Carlo method to simulate the neutron flux distributions with the space, energy and time for neutron logging.
作者在MCNP的基础上，开发了中子测井，中子通量随能量、时间分布蒙特卡罗(MC)模拟软件包。
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。
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。
This paper briefly describes the measuring theory and operation process of pulsed neutron oxygen activation spectrum logging, and introduces the application of this technology to Jiangsu Oilfield.
文章介绍了脉冲中子氧活化能谱测井的测量原理、测井工艺及该技术在江苏油田应用情况。
Soil: investigation and testing. Well logging. Neutron probe method.
土壤：调查和试验。测井。中子探测方法。
NLT-A Neutron Lifetime logging tool is a new logging tool which is used to evaluate the reservoir and monitor the reservoir behavior.
NLT A中子寿命测井仪是用于储集层评价、油层动态监测等生产测井领域的新型测井仪器。
A mathematical model is systematically accomplished and computer simulation of particles random moving for the neutron well logging is done.
系统地完成了核测井中粒子随机游动的数学模型的建立和计算机模拟过程的实现。
This article introduces the new logging method which uses Gadolinium-injecting instead of Boron-injecting and uses Neutron-Gamma Logging instead of Neutron Lifetime Logging.
文章介绍了注钆代替注硼，中子伽马代替中子寿命的测井方法，对其优点作了分析，并列举了一些实例。
The low density drilling fluid has borehole excavation effect on compensated neutron porosity logging, and by this way apparent porosity is lower than the true value.
低密度井眼流体会对补偿中子孔隙度测井产生井眼挖掘效应，使视孔隙度值低于真孔隙度，且井眼流体密度越小，井眼尺寸越大，地层孔隙度越大，井眼挖掘效应越明显。
One kind of down-hole full-spectrum acquisition controlling sequence generator and anode high-voltage converter is synthesized, which is suitable for pulsed-neutron synthesized logging tool.
研制了一种适用于脉冲中子测井仪的井下全谱采集控制综合时序发生器和阳极高压变换器。
Sealed neutron source and gamma source used in nuclear logging have strong radioactivity which is harmful to operators.
核测井使用的密封中子源和伽马源具有较强的放射性，对操作人员有一定的辐射损伤。
The Monte Carlo calculating software packet was developed for wall epithermal neutron time-spectrometry logging on the basis of MCNP.
在此基础上，再研究井壁超热中子时间谱测井仪或井壁超热中子测井仪的工程参数。
The logging of PNN records heat neutron rates before seized reaction.
PNN测井记录俘获反应前后热中子记数率。
This paper deals mainly with applications of the finite-element method in numerical simulation of neutron well-logging.
讨论了有限元方法在中子测井数值模拟中的应用。
On the basis of features of neutron oxygen activation technique, analyzed are its advantages in well logging, and discussed is how problems to be solved by it in oilfield monitoring.
根据中子氧活化技术的特点，分析了中子氧活化测井技术的优势以及油田监测中通过该技术解决的问题。
The absorption of a neutron into an atom. The atom becomes energized and releases gamma rays of capture. The effect is used in well logging.
原子吸收中子的过程。原子受到激发，释放俘获伽马射线。测井中用到这种效应。
How to control the downhole tool's neutron tube from the surface is a complex problem in the pulse neutron oxygen activation logging tool, which measures through a single core cable.
在单芯电缆测量的脉冲中子氧活化仪器中，如何从地面实现对井下中子管的控制是一个非常复杂的问题。
Boron gadolinium neutron life time logging is a method for monitoring the residual oil saturation in late of high water cut stage of sandstone oil field.
硼(钆)-中子寿命测井以硼、钆化合物溶液作为指示剂，采用“测渗测”的方法，能够很好地解决多油层砂岩油田高含水后期监测储层剩余油饱和度的问题。
Boron gadolinium neutron life time logging is a method for monitoring the residual oil saturation in late of high water cut stage of sandstone oil field.
硼(钆)-中子寿命测井以硼、钆化合物溶液作为指示剂，采用“测渗测”的方法，能够很好地解决多油层砂岩油田高含水后期监测储层剩余油饱和度的问题。
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