Application of NMR Technology in Pore Structure Evaluation for Low-Permeability and Low-Viscosity Oil Reservoirs

SUN Zhigang, JIA Lihua, Z Lizhen… - Xinjiang Petroleum …, 2017 - zgxjpg.com
Both NMR T2 spectrum and mercury injection analysis of cores can reflect characteristics of
pore structure in rocks. A transformation model from T2 spectrum to pore throat radius …

A new method to evaluate reservoir pore structure consecutively using NMR and capillary pressure data

L Xiao, ZQ Mao, ZX Xiao, C Zhang - SPWLA Annual Logging …, 2008 - onepetro.org
It is very important to understand reservoir pore structure information in finding interested
zones and formulating advisable recovery scheme. Capillary pressure data is critical …

Q uantitative characterization of pore structure of tight gas sandstone reservoirs by NMR T2 spectrum technology: a case study of Carboniferous-Permian tight …

T Fang, L Zhang, N Liu, L Zhang, W Wang, L Yu… - Acta Petrolei …, 2017 - syxb-cps.com.cn
Nuclear magnetic resonance (NMR) provides a new method for quantitative characterization
of pore structure of tight sandstone with high accuracy, fast and non-destructive …

Application of NMR core experimental analysis in evaluation of low-porosity and low-permeability sandstone reservoirs

W Zhenhua, C Gang, LI Shuhen, Z Huiruo, H Deshun… - 石油实验地质, 2014 - sysydz.net
Nuclear magnetic resonance (NMR) core experimental analysis is a new developing
technique in experi-mental geology. Based on the principles and methods of NMR core …

Characterization of micro pore throat radius distribution in tight oil reservoirs by NMR and high pressure mercury injection

G Yanjie, LIU Shaobo, Z Mengjun, X Hongbing, L Keyu - 石油实验地质, 2016 - sysydz.net
Through the design of an algorithm, the conversion coefficient of NMR T 2 relaxation time
and pore throat radius was optimized by using the pore throat distribution data in tight oil …

Q uantitative characterization of sandstone NMR T2 spectrum

S Bai, D Cheng, J Wan, L Yang, H Peng, X Guo… - Acta Petrolei …, 2016 - syxb-cps.com.cn
Based on the normal distribution model and hybrid geological empirical distribution model in
statistics, two mathematical algorithms, ie, graphic method and moment method, are used to …

A method to probe the pore-throat structure of tight reservoirs based on low-field NMR: Insights from a cylindrical pore model

H Huang, R Li, F Xiong, H Hu, W Sun, Z Jiang… - Marine and Petroleum …, 2020 - Elsevier
This research proposes a new method of estimating pore-throat size distribution that
converted based on nuclear magnetic resonance (NMR) T 2 spectra, so as to more …

Pore structure characteristics of tight-oil sandstone reservoir based on a new parameter measured by NMR experiment: a case study of seventh Member in Yanchang …

LQ Dai Quanqi, C Zhang, C Lu, Y Zhang, S Lu… - Acta Petrolei …, 2016 - syxb-cps.com.cn
Based on NMR (nuclear magnetic resonance) technology in combination with high-pressure
Hg injection, scanning electron microscope (SEM) and other experimental data, 66 core …

Lower Limits of Pore Throat Producing in Natural Gas Drive Reservoirs Based on Nuclear Magnetic Resonance

BAI Zhenqiang, W Qinghua, S Wenbo - Xinjiang Petroleum Geology - zgxjpg.com
Based on the principle of nuclear magnetic resonance (NMR), the relationship between
NMR relaxation time and pore throat radius of core sample was derived. Combining with the …

Applying NMR T2 Spectral Parameters in Pore Structure Evaluation—An Example from an Eocene Low-Permeability Sandstone Reservoir

Y Lu, K Liu, Y Wang - Applied Sciences, 2021 - mdpi.com
The Eocene low-permeability sandstone reservoirs in the Dongying Depression, Bohai Bay
Basin, China host a significant amount of oil reserves. The development of the reservoirs …