Results 31 to 40 of about 72 (66)

Key techniques for volume fracturing of deep coalbed methane reservoirs and their applications: A case study of the Daning-Jixian block

Meitian dizhi yu kantan
BackgroundDeep coalbed methane (CBM) reservoirs generally exhibit ultra-low porosity and permeability, high stress, predominance of nanopores, and complex fracture propagation.
Shuguang LI, Xianyue XIONG, Huaibin ZHEN, Kunsen BAI, Yuan JI, Pu YUAN, Zhongbai LI, Weiping ZHU   +7 more
doaj   +1 more source

NMR-Based Investigation of Pore–Fracture Structure Heterogeneity in Deep Coals of Different Macrolithotypes in the Daning-Jixian Block, Ordos Basin

Energies
Deep coalbed methane (CBM) demonstrates significant production potential, and a fervent exploration and development boom is currently underway in China.
Wei Zhang, Zheng Zhang, Liheng Bian, Rui Shi, Hewei Zhang, Jian Shen   +5 more
doaj   +1 more source

Application of five seismic attributes in natural fracture prediction for deep coalbed methane production along the eastern margin of the Ordos Basin

Meitian dizhi yu kantan
BackgroundNatural fractures serve as both the primary storage space for free gas of deep coalbed methane (CBM) and pathways for hydrocarbon migration. Furthermore, these fractures can enhance the porosity and permeability of strata under the deep, high ...
Jiangnan TONG, Feng WANG, Feng ZHANG, Wei HOU, Zhongbai LI, Liang JI, Yanan JIANG, Wei SUN   +7 more
doaj   +1 more source

Supersaturation effect and its characterization in gas-rich intervals of deep coal seams

Meitian dizhi yu kantan
Objective and MethodHigh free gas content serves as a key factor controlling the enrichment and high productivity of deep coalbed methane (CBM). However, its direct determination is challenging, making the accurate identification of free gas-rich coal ...
Lihong ZHOU, Yong LI, Rong DING, Yun LI, Yongzhou LI, Jintao KONG   +5 more
doaj   +1 more source

Theoretical and technological system for Highly efficient development of deep coalbed methane in the Eastern edge of Erdos Basin

Meitan xuebao
Aiming at the development problems of deep coal reservoirs, such as deep burial, low permeability and complex stress field, this paper clarifies that the resource enrichment conditions, effective fracturing volume, effective horizontal section length ...
Fengyin XU, Zhihong NIE, Wei SUN, Xianyue XIONG, Borui XU, Lei ZHANG, Xiaosong SHI, Ying LIU, Shirui LIU, Zengping ZHAO, Yuan WANG, Hongxing HUANG, Haikun LIN   +12 more
doaj   +1 more source

In Situ Stress Distribution of Deep Coals and Its Influence on Coalbed Methane Development in the Shizhuang Block, Qinshui Basin, China. [PDF]

ACS Omega, 2023
Zhang Y, Sun B, Deng Z, Chao W, Men X.
europepmc   +1 more source

Low-Yield Genesis of Coalbed Methane Stripper Wells in China and Key Technologies for Increasing Gas Production. [PDF]

ACS Omega, 2022
Su X, Wang Q, Feng Y, Wang X, Ji C.
europepmc   +1 more source

Evaluation of potential helium source rocks and helium enrichment factors in coalbed methane in the eastern margin of Ordos basin. [PDF]

Sci Rep
Chen Y, Tao S, Kang R, Gao J, Yang Y, Fang X, Song W, Chen Y, Liu X.   +8 more
europepmc   +1 more source

Multichannel Sandstone Thin Sections Identification Based on Improved DeepLab V3 Plus Neural Network. [PDF]

ACS Omega
Zhong J, Meng Y, Liu Z.
europepmc   +1 more source

Deep Coal-rock Gas in China: A Review of Distribution, Geological Characteristics, and Its Enrichment Conditions. [PDF]

ACS Omega
Li G, Wang G, Feng N, Chen F, Feng Y, Lu C, Tan Y.   +6 more
europepmc   +1 more source