煤层气合采地质研究进展述评

郭晨, 秦勇, 易同生, 马东民, 王生全, 师庆民, 鲍园… - 煤田地质与勘探, 2022 - mtdzykt.com
煤层气合采是提高多煤层区煤层气开发效率的重要途径, 但成藏作用的特殊性决定合采方式与
产能效果复杂多变, 高效开发面临较大挑战. 我国煤层气地质工作者围绕多煤层煤层气成藏与合 …

基于排采初期生产特征的煤层气合采地质条件分析

秦勇, 吴建光, 张争光, 易同生, 杨兆彪, 金军, 张兵 - 煤炭学报, 2020 - mtxb.com.cn
煤层气高效合采的基础是深刻理解合采兼容性, 其中的关键在于合采地质条件的量化分析.
以滇东-黔西这一典型地区为例, 主要基于11 口合采试验井前150 d 生产历史资料 …

Implications of the in situ stress distribution for coalbed methane zonation and hydraulic fracturing in multiple seams, western Guizhou, China

S Chen, D Tang, S Tao, P Liu, JP Mathews - Journal of Petroleum Science …, 2021 - Elsevier
With 59 sets of well testing data from 32 wells, 70 coal seam gas data from 9 wells, and
production data from 17 wells, the in situ stress distribution within depths of 136-1244 m and …

Primary controlling factors of coalbed methane well productivity and high productive well patterns in eastern Yunnan and western Guizhou, China

Z Zhang, Y Qin, Z Yang, G Li, Z You - Natural Resources Research, 2023 - Springer
Coalbed methane (CBM) resources are abundant in eastern Yunnan and western Guizhou
of China. However, despite the vast reserves, large-scale commercial development of CBM …

Review of the progress of geological research on coalbed methane co-production

GUO Chen, QIN Yong, YI Tongsheng… - Coal Geology & …, 2022 - mtdzykt.com
Coalbed methane (CBM) co-production is an important way to improve the efficiency of CBM
development in multi-seam areas, but the special nature of reservoir formation makes the co …

[HTML][HTML] A numerical investigation of gas flow behavior in two-layered coal seams considering interlayer interference and heterogeneity

Z Wang, Y Qin, T Li, X Zhang - International journal of mining science and …, 2021 - Elsevier
Multiple-seam gas coproduction is a technology with potential to achieve economic targets.
Physical experiments could replicate gas flow dynamics in two seams. In this study …

Multifractal analysis in characterizing adsorption pore heterogeneity of middle-and high-rank coal reservoirs

J Zhang, C Wei, X Chu, V Vandeginste, W Ju - ACS omega, 2020 - ACS Publications
Nanopore heterogeneity has a significant effect on adsorption, desorption, and diffusion
processes of coalbed methane. The adsorption pore size distribution heterogeneity was …

Implications of the pore pressure and in situ stress for the coalbed methane exploration in the southern Junggar Basin, China

G Li, D Yan, X Zhuang, Z Zhang, H Fu - Engineering Geology, 2019 - Elsevier
Abstract The southern Junggar Basin hosts abundant coalbed methane (CBM) resources
and is expected to be an important CBM production base in China. The pore pressure and in …

Characteristics of in-situ stress distribution in Zhengzhuang Region, Southern Qinshui Basin, China and its stress path during depletion

P Zhang, Z Meng, S Jiang, X Chen - Engineering Geology, 2020 - Elsevier
The in-situ stress and its behavior during depletion are critical for investigation of the
reservoir permeability, wellbore stability, enhanced oil recovery (eg stimulation), fault …

The present-day in-situ stress field within coalbed methane reservoirs, Yuwang Block, Laochang Basin, south China

W Ju, B Jiang, Y Qin, C Wu, G Wang, Z Qu… - Marine and Petroleum …, 2019 - Elsevier
Understanding in-situ stress variation is extremely important for coalbed methane (CBM)
exploration and development; however, precise information on the present-day in-situ stress …