测井技术2011，Vol.35Issue(2)：187-191,5.
采用三探测器并测方法提高碳氧比测量的效率
To Improve the Efficiency of C/O Measurement Using Simultaneous Triple Detectors
丁希金 1陈龙 2刘富华 1徐成 1宋锦祥1
作者信息
- 1. 中国石油大庆钻探工程公司测井一公司,黑龙江大庆163412
- 2. 中国石油长城钻探工程公司测井公司,北京100101
- 折叠
摘要
Abstract
Based on the theory of C/O spectral logging and independent innovation, Daqing Well Logging Company has developed an SNP-5 C/O syectral logging tool. A comparable test is made between SNP-2 tool and SNP-5 tool. Through the parallel use of three detectors in the SNP-5 tool, the problem of count rate effect has been effectively solved, so that the performance of neutron generator can be played to a normal level. Three detectors have the same spacing and the same weight. In data collection, the correction factor is obtained from time spectrum. This tool has been debugged and tested in the scale formation. The test results show that when the tool is at the speed of 36 m/h, the measurement accuracy of 35％ porosity sandstone formation is less than 7％. In field tests, the SNP-5 tool successfully acquires log data, and at the speed of 72 m/h, its curves repeatability is correspond with the curves obtained from SNP-2 tool at the speed of 36 m/h.关键词
碳氧比测井/数据采集/计数率效应/效率Key words
C/O log/data acquisition/count rate effect/efficiency分类
天文与地球科学引用本文复制引用
丁希金,陈龙,刘富华,徐成,宋锦祥..采用三探测器并测方法提高碳氧比测量的效率[J].测井技术,2011,35(2):187-191,5.
