Tight gas reservoirs have been one of the most important field of gas exploration and
development, and the dynamic monitoring of gas saturation is of great significance to the …

A method is proposed to characterize the fast neutron scattering cross-section (σ f)
quantitatively by the combination of inelastic gamma rays and captured gamma rays, so as …

提出了一种利用非弹性伽马射线与俘获伽马射线组合定量表征快中子散射截面(σf) 的方法,
从而基于三探测器脉冲中子测井技术实现了注CO2 稠油储集层含气饱和度的评价 …

Neutron logging technology can identify gas reservoirs by detecting thermal neutron or
secondary gamma information, which is of great significance for real-time reservoir …

Neutron gamma density (NGD) logging is the most promising alternative to the traditional
density logging (GGD), which is of significance for resolving the radiation and safety issues …

Formation porosity can be determined using the boron capture gamma ray counting ratio
with a near to far detector in a pulsed neutron-gamma element logging tool. The thermal …

With the increasing demand for radioisotope-free operations, pulsed neutron-gamma
density (NGD) has become increasingly important for logging-while-drilling (LWD) …

Interpreting and predicting the saturation of tight sandstone gas reservoirs are the key task to
improve the reservoir development. The role of gas diffusion dynamics is stronger than that …

The NMR relaxometry measurements are designed and applied to determine the initial gas
saturation in tight gas formations. After a full-diameter core obtained by sealed coring …

Tight gas reservoirs with low porosity and low permeability can encounter problems such as
small dynamic range of measurement information and low log-response sensitivity, which …