Results 1 to 10 of about 1,623 (179)

Numerical simulation of CO2-ECBM for deep coal reservoir with strong stress sensitivity [PDF]

Heliyon
CH4 production rate of coalbed methane (CBM) well decreases rapidly during primary recovery in the deeply buried coal seam, resulting in a lot of CH4 residues.
Shengli Gong, Lu Zhang, Tongyao Zhang, Wei He, Weiqiang Hu, Hongchao Yin, Liangshuai Ma, Xin Hong, Wei Zhang, Bo Zhang   +9 more
doaj   +2 more sources

Thingking and utilization technology of coalbed methane in soft and low permeability coal seams in Huainan Mining Area

Meitan kexue jishu, 2022
In order to solve the problems that restrict the efficient development of coalbed methane resources under the conditions of soft and low permeability outburst coal seams in Huainan Mining Area, such as complex coal seam structure, multi-source gas ...
Xiangxi KONG, Yongzhi TANG, Ping LI, Chuanbing WANG, Jian CHEN, Yanqing LI, Benqing YUAN, Benliang CHEN, Min YE   +8 more
doaj   +1 more source

Deep coalbed methane resource and its exploration and development prospect in East China [PDF]

Youqicang pingjia yu kaifa, 2023
Deep coalbed methane（CBM） development in East China is of great significance to ensure regional energy demand, optimize regional energy structure and realize the dual carbon goal.
SANG Shuxun,HAN Sijie,ZHOU Xiaozhi,LIU Shiqi,WANG Yuejiang
doaj   +3 more sources

Technical advances in well type and drilling & completion for high-efficient development of coalbed methane in China

Natural Gas Industry B, 2022
Compared with the United States, Australia, Canada, and other countries, China's coalbed methane reservoir is featured by low formation pressure, low permeability, low gas saturation, and strong heterogeneity, which not only increases the difficulty of ...
Deli Gao, Yansen Bi, Bao'an Xian
doaj   +1 more source

Geological evaluation and effective fracturing technology of Longtan Formation CBM in Nanchuan Block, Southeast Chongqing, China

Meitan kexue jishu, 2023
The development of China’s coalbed methane (CBM) industry is unbalanced between the south and the north. As an important replacement resource in unconventional fields in southeast Chongqing, The beneficial exploitation of Longtan coalbed methane is ...
Hongsheng YAO, Dazhi FANG, Kai BAO, Jun MA, Hang YUAN   +4 more
doaj   +1 more source

Research on Deep Coalbed Methane Localized Spotting and Efficient Permeability Enhancement Technology

Applied Sciences, 2022
To solve the bottleneck problem of low deep coal seam permeability and difficult coalbed methane (CBM) mining. Combining hydraulic splitting technology and directional drilling technology, a directional hydraulic splitting enhancement method of deep CBM ...
Jiayong Zhang, Yongzhen Niu, Jian Chen, Yanlei Guo, Liwen Guo   +4 more
doaj   +1 more source

Characteristics of low-rank coal reservoir and exploration potential in Junggar Basin: new frontier of low-rank CBM exploration in China

Journal of Petroleum Exploration and Production Technology, 2020
Low-rank coal reservoirs of Badaowan Formation and Xishanyao Formation are mainly developed in Junggar Basin. This paper discussed their features and coalbed methane (CBM) exploration potential based on geological survey, coal samples testing and ...
Yuanjiang Yu, Yonghua Wang
doaj   +1 more source

Transient Flow of a Horizontal Well with Multiple Fracture Wings in Coalbed Methane Reservoirs

Energies, 2020
Horizontal wells with multi-stage fractures have been widely used to improve coalbed methane (CBM) production from coalbed methane reservoirs. The main focus of this work is to establish a new semi-analytical method in the Laplace domain and investigate ...
Qing Tian, Yudong Cui, Wanjing Luo, Pengcheng Liu, Bo Ning   +4 more
doaj   +1 more source

Evaluation of deep high-rank coal seam gas content and favorable area division based on GIS: A case study of the South Yanchuan block in Ordos Basin

Energy Exploration & Exploitation, 2022
The South Yanchuan block is the deepest developed high-rank coalbed methane (CBM) field in China, the geological conditions in this block are complex and the main controlling factors of CBM content are various.
Yutong Fu, Qinghe Niu, Bin Cui, Dan Huang, Xinhan Xie   +4 more
doaj   +1 more source

A discussion on CBM development strategies in China: A case study of PetroChina Coalbed Methane Co., Ltd.

Natural Gas Industry B, 2019
In recent years, the growth rate of coalbed methane (CBM) industry in China has slowed down. In order to promote its development, it is in urgent need to do the researches focusing on enhancing domestic CBM industry.
Shengming Wen, Ke Zhou, Qian Lu
doaj   +1 more source