Study on Monitoring Reservoir Gas Density by Pulsed Neutron Logging

被引：3

作者：

Chen, Guangyao ^{[1
]}

Dang, Lixia ^{[2
]}

Cai, Wenyuan ^{[3
]}

Li, Jian ^{[3
]}

Dong, Junjie ^{[1
]}

Chen, Zhanglong ^{[3
]}

Deng, Rui ^{[1
]}

机构：

[1] Yangtze Univ, Key Lab Oil & Gas Resources & Explorat Technol, Minist Educ, Wuhan 430100, Hubei, Peoples R China

[2] Yangtze Univ, Jingzhou 434000, Hubei, Peoples R China

[3] CNPC Logging Co Ltd, Xian 710077, Shaanxi, Peoples R China

来源：

INTERNATIONAL JOURNAL OF ENERGY RESEARCH | 2023年 / 2023卷

关键词：

Gases - Monte Carlo methods - Neutron logging - Petroleum reservoirs;

D O I：

10.1155/2023/1363145

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

In mature multilayer gas reservoirs, it is a common problem to evaluate whether a potential reservoir is still productive after casing. Monitoring of unproduced or developing gas formations can guide production action plans. Intervention in unperforated zones with high gas density can increase gas production, whereas intervention in zones with low gas density is uneconomical. An RPM instrument stratum model was established by using the Monte Carlo method in this study. The model was used to simulate the response characteristics of pulsed neutron logging in a sandstone reservoir with 100% gas saturation to different reservoir gas densities, formation porosity, and shale content. The data obtained from the simulation were interpolated to construct a capture gamma ratio plate and a nonbounce gamma ratio plate. Using the constructed chart, the gas density of the reservoir can be quantitatively calculated, and then, the recovery value of the potential gas layer can be evaluated.

引用

页数：8