1) variable-density logging
变密度测井(VDL)
3) variable density logging
变密度测井
1.
SZS-2000C variable density logging tool and its application;
SZS-2000C型三组合变密度测井仪及其应用
2.
So the second interface cement quality is evaluated quantificatly,and the second interface evaluation is developed by producation utilization gamma density logging,variable density logging and gamma ray logging,and the primary cement evalation accuracy is raised.
通过对平均能量法分析研究和标准化处理,提出反映第Ⅱ界面胶结情况的胶结指数,从而使第Ⅱ界面的胶结质量评价定量化;并综合利用伽马密度测井、变密度测井和自然伽马测井,制定出固井第Ⅱ界面解释评价标准使固井质量评价精度大大提高。
3.
Introduces the configuration, principle and specification of SJC2B slim-hole variable density logging tool; Describes its log application and affected factors on its signals; Summarizes its adaptive conditions and role in cementing quality of slim-holes, production wells and horizontal wells.
介绍了SJC-2B小井眼(43mm)变密度测井仪的结构、原理、技术指标及信号流程。
4) variable density log
变密度测井
1.
Improved second interface cementing evaluation using open hole slowness and formation wave energy of variable density log;
裸眼时差与变密度测井地层波能量相结合改进固井Ⅱ界面评价
5) acoustic amplitude-density logging
声变密度测井
6) acoustic variable density log
声波变密度测井
1.
It is necessary to record the linear scale before and after log and the time difference curve in the acoustic variable density log.
阐述了声波变密度测井时对其进行测前、测后线性刻度及记录时差曲线的必要性。
补充资料：岩性密度测井
用γ源发出的γ射线被岩石原子吸收后，原子放出电子。岩石原子吸收γ射线的截面(称光电吸收截面)除以岩石的原子序数，为有效光电吸收截面指数Pe；根据各种岩石Pe值的不同，可区分出不同的岩性。本法适用于裸眼井，除探测岩性外，还可测量岩石的体积密度。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条