恒压源电路在测井仪器中的应用分析  

Principles and application of lithological density logging measurement

作　　者：李金来 王恒 吴俊杰 伏荣超 潘跃勇 Li Jinlai;Fu Rongchao;Pan Yueyong;Hu Yilan;Wang Zhuo

机构地区：[1]中国石油测井有限公司物质装备公司

出　　处：《国外测井技术》2025年第2期31-33,2,共4页World Well Logging Technology

摘　　要：恒压源是能够向负载提供恒定电压的电源,在测井仪器中,恒压源为测井仪器的各种传感器提供稳定的电源输入,合理地使用恒压源可以提高电路的稳定性和可靠性,增强电路的工作效率。本文将会对典型的恒压源电路分析,理解其各自应用特点,能够更好的提升仪器维修效率,提高电路分析设计能力,优化测井仪器恒压源的电路结构,提高仪器测量的稳定性和准确性。This paper systematically discusses the knowledge of lithological density logging.This paper describes the definition of each physical quantity of lithological density logging and the relationship between them,and discusses the physical principle and geological basis of lithological density logging,such as the relationship between Compton effect and density,the relationship between photoelectric effect and lithology,and the principles and methods of these theories in the realization of instruments.The technical difficulties of lithology density measurement and reference source stability spectrum are introduced.The application of lithology density curve,especially the method of judging lithology and finding formation porosity.

关 键 词：测井仪器 恒压源 电路分析 

分 类 号：G63[文化科学—教育学]