存储式补偿中子测井仪研制  

Development of Memorized Type Compensated Neutron Instrument

作　　者：曾晓丰[1] 蔡志明[1] 吉兆 张雄辉[1] 陈召军[1] 

机构地区：[1]川庆钻探工程有限公司测井公司,重庆400021

出　　处：《石油管材与仪器》2016年第2期15-17,21,共4页Petroleum Tubular Goods & Instruments

摘　　要：介绍了存储式补偿中子测井仪器的研制过程。仪器设计的关键是在外径小的情况下寻找探测器最佳源距以及仪器硬件、软件的设计。通过建立蒙特卡洛模型和利用在标准刻度井的实际测量数据来确定合理的源距。重点介绍了仪器的源距选择、仪器硬件电路设计、软件设计流程等。现场测井证实仪器设计是合理的,能较好地反映地层的相关信息。The designing process of the memorized type compensated neutron logging instrument is introduced. The key of the designing is the design of hardware and software of the instrument and choosing the distance between the probe and radiation source in the case of small diameter. The reasonable distance between the probe and radiation souree was determined through the establishment of the Monte Carlo inodel and the use of the aetual measurement data in the standard calibration well. The selection of the distance between the probe and radi- ation souree, hardware circuit design, software design process are introduced emphatically. The on-site logging showed that the design is reasonable, which can better reflect the relevant information of the formation.

关 键 词：存储式 补偿中子测井仪 蒙特卡洛模型 

分 类 号：P631.817[天文地球—地质矿产勘探]