The well logging technique is used to determine the petrophysical properties like porosity,
permeability and fluid saturations of subsurface formations. However, the conventional way …

The objective of this paper is to apply machine learning to predict a synthetic caliper log
using available Logging While Drilling (LWD) well logs. LWD logs and wireline (WL) …

Neutron gamma density measurement using dual gamma detectors (NGD-GD) is a popular
density measurement method. Compared with other NGD methods, the NGD-GD method …

The objective of this paper is to highlight a new machine learning application to predict a
synthetic caliper log using other available Logging While Drilling (LWD) well logs. LWD logs …

The well logging is known as a technique of making petrophysical measurements in the sub-
surface earth formations through a drilled borehole to reach the characterization of the …

The accurate determination of formation density and the physical properties of rocks is the
most critical logging tasks which can be obtained using gamma-ray transport and detection …

Among the different techniques available, nuclear methods, including gamma-gamma
logging tools, are of special importance. Though the real environment which surrounds the …

In prompt fission neutron uranium logging, borehole environmental parameters affect the
measured results and must be corrected. In order to explore the influence of borehole …

伽马-伽马密度快速正演结果作为中子和密度联合反演模型的输入, 对实时反演确定地层几何
结构及属性参数具有重要的意义. 基于时间独立的玻耳兹曼输运方程, 结合微扰理论与蒙特卡罗 …

The fast modeling of gamma-gamma density well logging is essential for the inversion
techniques of formation properties, which is usually carried out jointly with other logging …