Results 61 to 70 of about 2,665,111 (174)

Numerical Simulation of Deep Coalbed Methane Development Based on Embedded Discrete Fracture Model: A Triple Medium Flow Approach

Energy Science &Engineering, Volume 13, Issue 6, Page 3045-3062, June 2025.
ABSTRACT China is rich in coalbed methane resources, especially with significant potential for deep coalbed methane development. As shallow coalbed methane resources gradually deplete, the development of deep coalbed methane has become a research focus.
Yongsheng An, Zhongwen Sun, Jin Wang, Xiaoyu Zhang, Yangfeng Sun   +4 more
wiley   +1 more source

Variation of Gas Content in Coalbed Methane Development [PDF]

, 2011
At present, the variation of gas content resulted from the surface coalbed methane (CBM) development has not been reported at home. It is introduced that adopting the CBM-SIM software and combining with the key oil and gas special research task, the ...
Chen, Zhisheng, Weicheng Long, Long, Weicheng, Siqing Sun, Wenping Jiang, Zhisheng Chen, Jiang, Wenping, Sun, Siqing   +7 more
core   +1 more source

Experimental Study on the Mechanical Damage and Permeability Evolution of Coal With Different Moisture Contents Under Supercritical Carbon Dioxide Conditions

Energy Science &Engineering, Volume 13, Issue 5, Page 2375-2388, May 2025.
ABSTRACT Using a self‐developed supercritical carbon dioxide (CO2) soaking system, the damage mechanisms and cracking characteristics of coal due to supercritical CO2 under the coupling of high‐temperature, high‐pressure, water, and the seepage evolution law and failure mode of coal bodies were revealed.
Xiaoqiang Zhang, Kai Wang, Yulong Jiang, Yuedong Liu, Pengqi Qiu, Shiyu Zhang, Tingting Cai, Jian Hou   +7 more
wiley   +1 more source

Progress and Prospect of Researches on Drilling Fluid Technology for Deep CBM Drilling

Zuanjingye yu wanjingye
Deep coalbed methane (CBM) has become an important part of unconventional natural gas resource development. CBM reservoirs are characteristic of strong heterogeneity, developed cleavage and microfractures, and low mechanical strength etc., which always ...
Hongjun LU, Jinsheng SUN, Yong OUYANG, Daichun SI, Yu ZHOU, Yifu LONG, Ren WANG, Long LI   +7 more
doaj   +1 more source

Evolution law of pulsating seepage and thermal deformation by injecting high‐temperature steam into coal for thermal coalbed methane recovery

Deep Underground Science and Engineering, Volume 4, Issue 1, Page 119-131, March 2025.
A new phenomenon of pulsation of steam permeability is discovered. The permeability of high‐temperature steam in coal shows a periodic pulsation pattern with an increase in the injection time. A two‐phase flow theory of gas–liquid is adopted to elucidate the mechanism of pulsating seepage of steam.
Zhiqiang Li, Junliang Li, Jinsheng Chen, Ali Karrech, Ningchao Zhang, Ju Chang, Kaiqi Jin, Yangyang Yu, Hongbin Wang, Aijie Wang   +9 more
wiley   +1 more source

Research on the Construction of Coal Powder Settling Final Velocity Model for Coalbed Methane Wells in Panhe Block

Energy Science &Engineering, Volume 13, Issue 1, Page 227-239, January 2025.
ABSTRACT In response to the severe problem of coal powder production in the Panhe block coalbed methane wells in the southern Qinshui Basin, the characteristics of coal powder production in the study area were identified through sample testing, indoor experiments, and theoretical calculations.
Zhou Zhang, Wanying Yu, Min Zhou, Pengxiang Wang, Jintao Zhang, Yunxing Cao, Baoan Xian, Yibing Wang, Fei Zhang   +8 more
wiley   +1 more source

Gas Content and Gas Occurrence Mechanism of Deep Coal Seams in the Shenfu-Linxing Block

Energies
The Shenfu-Linxing block in the Ordos Basin holds abundant deep coalbed methane (CBM) resources, which can alleviate gas shortages and aid dual carbon target achievement. Considering isothermal adsorption traits and parameters like vitrinite reflectance,
Litao Ma, Fan Yang, Jianghao Yang, Yi Cui, Wei Wang, Cheng Liu, Bo Zhang, Jiang Yang, Shu Tao   +8 more
doaj   +1 more source

Quantitative Analysis of Gas Occurrence States and Its Controlling Factors in Deep CBM Reservoirs: An Integrated Model With Application in Linxing Block

Geofluids, Volume 2025, Issue 1, 2025.
Deep coalbed methane (CBM) is a crucial resource for ensuring energy security. Despite some successful localized deep CBM developments, the unclear understanding of gas content and gas occurrence state remains a key obstacle to the comprehensive development of deep CBM.
Jian Wu, Songhang Zhang, Weiwei Chao, Tengfei Jia, Wenchun Peng, Zizhen Liu, Shilong Li, Wensong Wang   +7 more
wiley   +1 more source

Geochemical Constraints on the Generation of Coalbed Methane in the Weizhou Area, South‐Central Ningxia, NW China: Insights From Stable Isotopes and Organic Petrology

Geofluids, Volume 2025, Issue 1, 2025.
Amid growing global clean energy demand, coalbed methane (CBM) in the coal‐rich Weizhou area holds great development value. This study explores Weizhou CBM′s geochemical traits and genesis via analyzing gas compositions (Shanxi and Taiyuan Formations), stable isotopic distributions (δ13C1, δD, δ13CO2, and δ15N), and their burial depth variations ...
Wei He, Kai Hu, Jian Cao, Suping Yao, Chao Zhang, Guobin Niu, Feilong Yu, Timothy S. Collett   +7 more
wiley   +1 more source

Geological control of differential enrichment of deep coalbed methane in the Ordos Basin

Meitan kexue jishu
The deep coalbed methane (CBM) resources in the Ordos Basin are abundant and have great development potential, making it the main battlefield for exploration and development of deep CBM in China.
Liyong FAN, Guoxiao ZHOU, Zhaobiao YANG, Huaichang WANG, Benju LU, Baoxin ZHANG, Yuhang CHEN, Cunlei LI, Yanqing WANG, Junyu GU   +9 more
doaj   +1 more source