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Quantitatively determining gas content using pulsed neutron logging technique in closed gas reservoir

, 2020
Tight gas has become an important part of unconventional petroleum exploration and development. The evaluation of gas content is of great significance for reservoir prediction and oil & gas production.
Qian Chen   +8 more
semanticscholar   +1 more source

Applying isotopic geochemical proxy for gas content prediction of Longmaxi shale in the Sichuan Basin, China

, 2020
Numerous studies have been conducted on the isotopic geochemical characteristics of shale gas. However, a systematic study of the relationship between the isotopic geochemical characteristics and gas content has not been addressed to date. In this study,
Zhipeng Chen   +6 more
semanticscholar   +1 more source

Vertical heterogeneity of permeability and gas content of ultra-high-thickness coalbed methane reservoirs in the southern margin of the Junggar Basin and its influence on gas production

, 2020
Ultra-high-thickness (>15 m) is one of the unique features of coalbed methane (CBM) reservoirs in Junggar basin, Xinjiang, China. However, there are few studies on the vertical permeability and gas content heterogeneity of ultra-high-thickness reservoirs.
Junqiang Kang   +3 more
semanticscholar   +1 more source

Coal Bed Gas Content and Gas Undersaturation

1999
Undersaturation of coal with respect to gas is a major economic risk in the coal bed gas exploration. This communication addresses the following questions: (1) How much thermogenic gas is formed from coals at different levels of maturity? (2)What is the minimum rank at which a given coal has generated sufficient thermogenic gas to be saturated at ...
G. Khavari-Khorasani, J. K. Michelsen
openaire   +1 more source

Local measurement of gas content

Journal of Engineering Physics, 1980
The article examines problems related to the proper use and accuracy of methods of measuring local gas content in a gas-liquid stream.
L. Z. Shenderov   +2 more
openaire   +1 more source

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   +7 more
semanticscholar   +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
Ji-Zhen Zhang   +7 more
semanticscholar   +1 more source

Radon Content of Soil Gas

Physics, 1932
An electroscope and technique for measuring the radon content of soil gas are described. Measurements were made to answer several questions regarding the radon content of soil gas. It was found that there is no systematic increase of radon content with depth of penetration into a soil, that soil formations appear to have more or less characteristic ...
Holbrook G. Botset, Paul Weaver
openaire   +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.
Ling Tang   +10 more
semanticscholar   +1 more source

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