1) density logging
密度测井
1.
Monte Carlo numerical simulation of response characteristics of compensated density logging in cased hole;
套管井中补偿密度测井响应特性的Monte Carlo数值模拟
2.
A theoretical study on detecting depth and spacing of density logging;
密度测井探测深度与源距的理论研究
3.
The LWD density logging was influenced by several factors such as bore size,stand off between logging tool and borehole wall,mud density,mud cake,cuttings,water cushion and mud invasion.
水平井随钻过程中的密度测井要受井眼尺寸、仪器和井壁的间隙、泥浆比重(含氢量)、泥饼、岩屑、水垫、泥浆侵入等环境影响。
2) density log
密度测井
1.
This article will introduce the application of neutron-density log in Dongpu depression exploration.
详细地介绍了中子与密度测井在东濮凹陷勘探中的应用情况。
2.
Of which,wet basis ash content is defined by gamma-ray log,and the precondition is the ash mainly argillaceous and contains no radioelement;carbon is defined by density log and artificial gamma log,and moisture calibration for density log;saturated porosity is defined by density log after ash calibration;gas content is defined by acoustic log and density log compou.
其中以自然伽马测井确定湿灰分,该方法的前提条件是湿分主要是泥质且泥质不具放射性元素;以密度测井与人工伽马测井确定含碳量,并对密度测井作湿分校正;以灰分校正后的密度测井确定饱和水孔隙度;含气量的估算以声波测井和密度测井组成的复合参数ΔT/dDEN来确定,或以视电阻率曲线确定含气量。
3.
Cuttings may also be deposited in the bottom of the horizontal hole because of gravity of the earth,and it will have lower density value than the formation, so cuttings beds can have a significant effect on the density log responses.
在水平井中,由于重力作用井筒底部会聚积一定厚度的岩屑,而岩屑层的密度小于地层的密度,所以岩屑层对密度测井响应有一定程度的影响。
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) density log
密度测井图
6) 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
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