Results 1 to 10 of about 13,072 (209)

Optimization Design Method and Application of Nitrogen Horizontal Well Drilling Technology in Coalbed Methane Reservoirs

Energy Science & Engineering
Due to characteristics such as low permeability, low pressure, low gas saturation, low water content, and high structural stress, Yuwang coalbed methane (CBM) is prone to issues such as well leakage, coal sensitivity to water, and coal fines blockage ...
Hu Jiachen, Tan Zhanglong, Yang Fan, Hao Zhaobing, Yang Qi, Feng Lei, Wang Peng   +6 more
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Multiscale Fracturing in Medium- to Low-Rank Coals and Its Implications on Coalbed Methane Production in the Baode Area, Eastern Ordos Basin, China

Geofluids, 2022
Coal fractures are crucial in affecting the production of methane from coal. Multiscale fracturing and its implications on coalbed methane production have still not been fully understood.
Wei Zhang, Baoshan Zhao, Qingfeng Zhang, Jikun Zhang, Ziling Li, Xiaoguang Sun, Mingming Yan   +6 more
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The status and development strategy of coalbed methane industry in China

Petroleum Exploration and Development, 2023
To achieve the goals of carbon peaking and carbon neutrality under the backgrounds of poor resource endowments, weak theoretical basis and other factors, the development of the coalbed methane industry of China faces many bottlenecks and challenges. This
Fengyin XU, Wei HOU, Xianyue XIONG, Borui XU, Peng WU, Hongya WANG, Kun FENG, Jian YUN, Shuguang LI, Lei ZHANG, Xia YAN, Huijun FANG, Qian LU, Delei MAO   +13 more
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Research on support vector machine method for comprehensive evaluation after compression [PDF]

E3S Web of Conferences, 2020
Hydraulic fracturing is one of the important measures to increase production of oil and gas reservoirs. Pressure after the assessment of the existing technology is usually divided into direct and indirect diagnosis of hydraulic fracture. The diversity of
Chengwang Wang, Shuai Chen, Gaojie Chen, Han Lu   +3 more
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Recalculation and understanding of middle and low rank coalbed methane reserves: a case study of Baode Coalbed Methane Field on the eastern edge of Ordos Basin

Shiyou shiyan dizhi, 2020
The Baode Coalbed Methane Field is located in the northern section of Jinxi Flex Belt on the eastern edge of Ordos Basin. It is a typical coal seam gas field of middle and low ranks.
Lei ZHANG, Shuai HAO, Wei ZHANG, Yimin CAO, Xiaoguang SUN, Siyu YIN, Wentao ZHU, Ziling LI   +7 more
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Optimization of drilling system for CBM horizontal wells in Zhengzhuang Block of Qinshui Basin

Meitan kexue jishu, 2023
Zhengzhuang block is located in the southwest of Qinshui Basin. The main gas producing horizons are No.3 coal of Shanxi Formation and No.15 coal of Taiyuan formation. The occurrence characteristics and gas bearing properties of coal seams in the area are
Guishan LI, Zhenfeng YU, Jindong YANG, Xinya SONG, Chen GUO   +4 more
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Research on directional drilling technology for superimposed “three zones” passing through goaf

Meitan kexue jishu, 2023
Guizhou has a large amount of coal resources, which have been mined for a long period of time, resulting in the formation of a large area of goaf. There is a large amount of coalbed methane resources in the goaf, but the exploitation and utilization rate
Yi LOU, Longjun LIANG, Jie CHEN, Linjie SHAO, Fuqin YANG, Wang YI   +5 more
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Geochemical Characteristics and Organic Matter Enrichment Mechanism in Late Paleozoic Mudstone, Eastern Margin of Ordos Basin

Yankuang ceshi, 2023
BACKGROUNDIn the past two decades, with the development of CBM technology, the reduction of recoverable resources in shallow coalbed methane and the consumption of unconventional natural gas in China increasing year by year, the development of deep ...
Jindong YANG, Zhenfeng YU, Xu GUO, Ruixi ZHAO   +3 more
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Brittleness evaluation of main coal seams in Permian Taiyuan-Shanxi formations, Baode block, Ordos Basin: based on a convolutional neural network method

Shiyou shiyan dizhi
The coal seams of the Permian Taiyuan-Shanxi formations in the Baode block of the northeastern margin of the Ordos Basin have abundant coalbed methane resources.
Qingfeng ZHANG, Ziling LI, Jikun ZHANG, Shuai HAO, Xiaoguang SUN, Yanjie SHANG, Yun ZUO   +6 more
doaj   +1 more source

Research and application of micro-scale fracture prediction technology for deep coalbed methane based on five-dimensional seismic data

Meitan kexue jishu
During the large-scale development of deep coalbed methane in the Daji block on the eastern edge of Ordos Basin, using horizontal wells combined with large-scale volume fracturing, some wells experienced fracturing interference under similar fracturing ...
Lei ZHANG, Fengyin XU, Jiangnan TONG, Feng ZHANG, Feng WANG, Wei HOU, Yihang CHANG, Songyi HOU, Xiangbing PEI, Zhenyi CAO, Tong CHEN, Xuefeng LI, Ke ZHOU, Yongzhou LI, Huaibin ZHEN, Wenting ZENG   +15 more
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