Results 1 to 10 of about 24,090 (252)

Isothermal Desorption Hysteretic Model for Deep Coalbed Methane Development [PDF]

Geofluids, 2022
The adsorption/desorption mechanism of coalbed methane is significant for gas control and coalbed methane exploitation; scholars have done a lot of research on it and generally have confidence in that temperature, pressure, and moisture are central ...
Songlei Tang, Hongbo Zhai, Hong Tang, Feng Yang   +3 more
doaj   +2 more sources

Genetic Types and Gas Source Analysis of Jurassic Deep Coalbed Methane in Baijiahai Uplift, Junggar Basin. [PDF]

ACS Omega
Multiple sets of source rocks are developed in the Baijiahai Uplift of the Junggar Basin. The gas genetic types and sources of deep coalbed methane (CBM) in the Jurassic period of the Baijiahai Uplift are inconclusive.
Yang M, Li T, Luo B, Ouyang Z, Jia C, Wang H, Sun B, Su H, Wang Y.   +8 more
europepmc   +2 more sources

Data-Driven Approach for the Prediction of In Situ Gas Content of Deep Coalbed Methane Reservoirs Using Machine Learning: Insights from Well Logging Data. [PDF]

ACS Omega
The in situ gas content is a critical determinant of the exploitation potential and recovery of coalbed methane (CBM) resources. Deep CBM resources have enormous exploitation potential, but their intricate geological conditions hinder the acquisition of ...
Zhang Q, Tang S, Zhang S, Xi Z, Jia T, Yang X, Lin D, Yang W.   +7 more
europepmc   +2 more sources

Sealing mechanisms and enrichment patterns of deep coalbed methane: insights from the Jiaxian block, Ordos Basin. [PDF]

Sci Rep
The enrichment of deep coalbed methane (CBM) in the Jiaxian block of the Ordos Basin is strongly influenced by the sealing capacity of coal seam roofs and floors, which play a pivotal role in CBM preservation under conditions of high temperature and ...
Zhang Q, Li P, Liu D, Yao Y, Cai Y, Guo Y, Wang Z.   +6 more
europepmc   +2 more sources

Critical depth prediction based on in-situ stress and gas content model of deep coalbed methane in Liupanshui Coalfield in China. [PDF]

Sci Rep
In-situ stress plays a pivotal role in influencing the desorption, adsorption, and transportation of coalbed methane. The reservoir gas content represents a pivotal physical parameter, encapsulating both the coalbed methane enrichment capacity and the ...
Lv F, Yang R, Gao W, Zhao L, Liu Y, Yan Z, Shi F, Zhang B, Tang J, Yi T.   +9 more
europepmc   +2 more sources

Molecular Insights of Deep Coalbed Methane Adsorption Characteristics and Production Mechanisms in a Slit-Pore Model. [PDF]

ACS Omega
More than 50% of global coalbed methane (CBM) resources are estimated to reside in deep coal seams (depth >1500 m). The CBM retained in deep coal seams has higher free gas content with less formation water compared to the CBM in shallow coal seams ...
Chen F, Ji G, Meng D, Wang G, Feng N, Zheng S, Huang S, Shi X, Li Y.   +8 more
europepmc   +2 more sources

Experimental and Modeling Study on Proppant Flowback during the Entire Period of Deep Coalbed Methane Production. [PDF]

ACS Omega
Deep coal reservoirs in the Daji region of China have achieved high industrial gas production rates through large-scale volumetric fracturing. However, severe proppant flowback has significantly undermined coalbed methane recovery.
Cai X, Wang Z.
europepmc   +2 more sources

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

Energy Science & Engineering
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
doaj   +2 more sources

Evaluation of recoverable potential of deep coalbed methane in the Linxing Block, Eastern Margin of the Ordos Basin. [PDF]

Sci Rep
The deep coalbed methane (CBM) resources are widely developed in the Linxing Block. However, the evaluation of CBM geological areas suitable for CBM exploitation remains unexplored, hindering further development.
Chen B, Li S, Tang D, Pu Y, Zhong G.
europepmc   +2 more sources

Occurrence phase and gas-bearing evolution of deep coalbed methane

Meitan kexue jishu
Deep coalbed methane has achieved a significant breakthrough in daily production of a single well and large-scale commercial development, demonstrating the enormous resource potential.
Shuheng TANG, Zhaodong XI, Songhang ZHANG, Fenjin SUN, Lijiang DUAN, Wenguang TIAN, Meizhu WANG   +6 more
doaj   +2 more sources