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- delayed neutron logging 缓发中子记录
- LWD neutron logging takes an important part in logging-while-drilling(LWD). 随钻中子测井在随钻测井中占有重要地位。
- Standard field procedures are employed in taking samples for analysis by delayed neutron determinations. 用于缓发中子测定的分析样品的标准野外制备过程如下。
- The sensitivity of compensated neutron logging(CNL) tool is researched(using) Monte-Carlo method. 本工作对补偿中子石油测井仪器的灵敏度进行蒙特卡罗方法数值模拟研究。
- This paper presents the analysing accuracy of uranium content by delayed neutron method is up to 0.2 ppm and the relative error is less than 15%. 本文介绍了应用缓发中子法测定样品中铀含量的精密度可达0.;2ppm;分析相对误差小于15%25。
- Compensated neutron log (CNL) and other conventional logging analog signals, pulse signals can be acquired. 该系统可对岩性密度和自然伽马能谱进行多道幅度分析，并对补偿中子测井信号及所有井下常规模拟信号、脉冲信号进行数字化采集。
- 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。
- The neutron log is primarily resposive to the amount of hydrogen in the formation. 中子测井对岩层的氢含量有显著反映。
- The neutron log is primarily responsive to the amount of hydrogen in the formation. 中子测井对岩层的氢含量有显著反映。
- C/O logging method is a newly pulse neutron logging,it has been widely used in the oil field to estimate the porosity and lithology of the formation. 碳氧比能谱测井是一种新型的脉冲中子测井方法,在油田广泛推广用于评价储集层孔隙度和岩性,确定含油饱和度。
- Combined with log response, it can be identified efficiently by gamma ray logging curve, neutron logging curve and density logging curve. 结合测井响应，可以从自然伽马、中子、密度测井曲线对储层岩性进行有效识别。
- Using gamma ray log, neutron log, density log and sonic log, with the algorithm of fuzzy clustering, we can realize lithology recognition. 摘要利用测井数据中的自然伽玛、中子、声波和密度测井曲线所蕴含的岩性信息，用模糊聚类算法实现岩性的自动划分。
- delayed neutron fission product monitor 缓发中子裂变产物监测器
- Utanium analysis by the emission of delayed neutrons, following fission of U235, has been described by Amiel. 阿密尔论述了应用U235裂变后产生的缓发中子流分析铀的方法。
- Uranium analysis by the emission of delayed neutrons, following fission of U235, has been described by Amiel. 阿密尔论述了应用U235裂变后产生的缓发中子流分析铀的方法。
- This paper analyzes the evironment influencing factors to LWD neutron well logging in order to know the influencing factors completely and use different kinds of LWD neutron logging data better. 尽管随钻中子测井具有诸多优点,但其仍然要受井下测量环境的影响,主要有井眼大小、仪器偏心、地层温度、地层压力以及泥浆矿化度等。
- delayed neutron leached-hull monitor 缓冲中子包壳监测器
- Starting discussion on calibration points of Compensated Neutron Log,this paper proposes that spline interpolation, instead of conventional regression fitting,is used to build the response equation of CNL. 本文从对补偿中子测井实验刻度点的讨论出发,提出用样条插值方法而不是通常回归拟合方法来构造补偿中子响应方程。
- The technique for detecting the delayed neutrons from neutron-induce fission in depleted uranium system was studied by using an active method. 摘要用有源（主动）的方法研究了贫化铀及其组合系统的中子诱发裂变缓发中子的探测技术。
- Based on the different responses of compensated neutron log (CNL) in the gas reservoir before and after mud filtrate invasion, the authors designed the test of time-lapsed CNL in cased hole. 根据泥浆侵入气层前后补偿中子测井响应值的变化 ,设计了套管井内补偿中子时间推移测井试验。
