Results 281 to 290 of about 10,179,498 (326)

Environmentally friendly techniques for high gas content thick coal seam stimulation─multi-discharge CO2 fracturing system

Journal of Natural Gas Science and Engineering, 2019
Almost all the coal seams in China are characterized by high gas content, extremely low permeability, complicated geological structure, thus, natural disasters such as gas explosive and outburst easily occur.
Xuelin Yang, Guangcai Wen, Haitao Sun, Xuelong Li, T. Lu, Linchao Dai, Jie Cao, Lei Li   +7 more
semanticscholar   +1 more source

Gas content prediction based on GA-RBF neural network

2010 Chinese Control and Decision Conference, 2010
Genetic algorithms (GA) and radial basis function (RBF) neural network are combined in this paper. Prediction model of gas content in coal seam is set up based on GA-RBF neural network optimized by genetic algorithm in network structure and parameters.
null Bo Zhai, null Jianfeng Shan
openaire   +1 more source

Characterization of the Full-Sized Pore Structure of Coal-Bearing Shales and Its Effect on Shale Gas Content

Energy & Fuels, 2019
The characterization of the pore structure and shale gas content provides useful information for shale gas reservoir assessment and evaluation and guides the exploration and development of shale gas. Fresh core samples obtained from three different basin
Jizhen Zhang, Xianqing Li, Z. Xiaoyan, Guangjie Zhao, Baogang Zhou, Jian Li, Zengye Xie, Feiyu Wang   +7 more
semanticscholar   +1 more source

Experimental study on gas content of adsorption and desorption in Fuling shale gas field

Journal of Petroleum Science and Engineering, 2019
Shale gas mainly exists in organic-rich shale in the form of free gas and adsorbed gas. Shale gas content has a direct impact on the productivity and life of the gas well, and is also an important indicator for areal selection and reservoir evaluation ...
Shi Wenrui, Wang Xingzhi, Chaomo Zhang, Aiguo Feng, Zisang Huang   +4 more
semanticscholar   +1 more source

Noble gas contents of marine waters

Earth and Planetary Science Letters, 1968
Abstract Noble gas analyses of sea waters collected in the North Pacific, North Atlantic and Antarctic Oceans have confirmed our previous observations that measureable deviations from saturation occur. The deep waters of the North Atlantic appear to be supersaturated in argon to an upper limit of around 3% while their counterparts in the North ...
Rudolf H. Bieri, Minoru Koide, Edward D. Goldberg   +2 more
openaire   +1 more source

Shale gas content evolution in the Ordos Basin

International Journal of Coal Geology, 2019
Gas content is a crucial parameter for shale reservoir evaluation and shale gas accumulation. Taking Shanxi and Taiyuan Formation shale samples from the Ordos Basin of China as an example, this research used thermal simulation, Rock-Eval pyrolysis, total
Feiteng Wang, Shaobin Guo
semanticscholar   +1 more source

Mineralogy and Gas Content of Upper Paleozoic Shanxi and Benxi Shale Formations in the Ordos Basin

Energy & Fuels, 2019
To directly measure the gas content in the Benxi and Shanxi subformations of the Ordos Basin in NW China, a series of canister desorption tests were carried out on 33 over-mature Lower Permian to U...
Fengyang Xiong, Zhenxue Jiang, Hexin Huang, Ming Wen, J. Moortgat   +4 more
semanticscholar   +1 more source

A Quantitative Evaluation of Shale Gas Content in Different Occurrence States of the Longmaxi Formation: A New Insight from Well JY‐A in the Fuling Shale Gas Field, Sichuan Basin

Acta Geologica Sinica - English Edition, 2019
Comprehensive quantitative evaluation of shale gas content and the controlling factors in different occurrence states is of great significance for accurately assessing gas‐bearing capacity and providing effective well‐production strategies.
L. Tang, Yan Song, Qian-wen Li, X. Pang, Zhenxue Jiang, Zhuo Li, Xianglu Tang, Hailong Yu, Yue Sun, Shichao Fan, Lin Zhu   +10 more
semanticscholar   +1 more source

The Measurement of Shale Gas Content

Applied Mechanics and Materials, 2013
The gas content is critical parameter in the shale gas exploration and production. The direct method was used to determine the shale gas content and the apparatus were made by ourselves. It were described the gas content test procedure, mathematic model and data processing in the paper.
Ya Li Jiang, Hua Qing Xue, Hong Yan Wang, Hong Lin Liu, Gang Yan   +4 more
openaire   +1 more source

A New Gas-Content-Evaluation Method for Organic-Rich Shale Using the Fractionation of Carbon Isotopes of Methane

SPE Journal, 2019
Gas content is a key parameter for the determination of the gas resources in unconventional reservoirs. In this study, we propose a novel method to evaluate the gas content of shale through a new perspective: fractionation of carbon isotopes of methane.
Cao Gaohui, Huanxu Zhang, Jiang Wenbin, Sheng Wu, Di Zhu, Lin Mian   +5 more
semanticscholar   +1 more source