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Origin of Flowback and Produced Waters from Sichuan Basin, China
Environmental Science & Technology, 2018 Shale gas extraction through hydraulic fracturing and horizontal drilling is increasing in China, particularly in Sichuan Basin. Production of unconventional shale gas with minimal environmental effects requires adequate management of wastewater from flowback and produced water (FP water) that is coextracted with natural gas.
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Origin of Subsurface Brines in the Sichuan Basin
Groundwater, 1997Abstract Subsurface brines in the Sichuan Basin occur within sedimentary rocks ranging in age from Sinian to Cretaceous, especially within rocks of Triassic age. The chemical and isotopic compositions of the brines and general geological considerations suggest that the Sichuan Basin brines are derived from waters of different origin ...
Zhou Xun +4 more
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ACHIEVEMENTS IN THE DEVELOPMENT OF DEEP DRILLING TECHNIQUE IN SICHUAN BASIN
Proceedings of International Meeting on Petroleum Engineering, 1988ABSTRACT Sichuan basin is the primary carbonate deposition basin in China, which is rich in natural oil and gas resources and has a very long drilling history. The geological conditions in the basin are very complex, which causes a lot of difficulties in deep drilling.
Ma Xing Shi, Wu Liusheng, Yang Xunyad
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Chemical characteristics of rainwater in Sichuan basin, a case study of Ya’an
Environmental Science and Pollution Research, 2016Rainwater chemistry was investigated at a semi-rural site in Ya'an, Sichuan basin with rain samples collected from May 2013 to July 2014. The rainwater pH values ranged from 3.25 to 6.86, with an annual volume-weighted mean (VWM) of 4.38, and the acid rain frequency was 74 %.
Li, Yun-Chun +6 more
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Northeastward propagation of nocturnal precipitation over the Sichuan Basin
International Journal of Climatology, 2020AbstractThe Sichuan Basin (SCB) is located to the east of the Tibetan Plateau (TP) and features nocturnal precipitation. This study explores spatial variation of nocturnal precipitation during the warm season over the SCB using high spatiotemporal resolution merged precipitation products from 2008 to 2017.
Juan Li +5 more
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Modeling for the Burial and Subsidence History of the Sichuan Basin
Chinese Journal of Geophysics, 2003AbstractBased on data of stratigraphic thickness, ages, lithology, density, porosity and seismic sections, sedimentary and subsidence histories can be obtained by plotting subsidence curves and backstripping analysis. The study indicates that the difference between total subsidence and tectonic subsidence in the Sichuan basin decreases as the ...
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The application of prestack inversion in Guang'an area, Sichuan Basin
SEG Technical Program Expanded Abstracts 2007, 2007In recent years, the Xujiahe formation of the Upper Triassic in the Sichuan Basin has become an important objective for gas exploration. This is especially true in the Xu6 Section where sandstone has developed, but not all sandstones are effective reservoirs.
Wang Jiushuan, Shao Linhai, Huo Lina
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Geochemical characteristics of natural gases in the Sichuan basin
Chinese Journal of Geochemistry, 1985The Sichuan basin is one of the largest gas-oil-bearing basins in China. Ool and. gas pools occur in Mesozoic, Paleozoic and Proterozoic strata in this basin, with natural gases being dominant.
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Implications of ozone transport on air quality in the Sichuan Basin, China
Environmental Science and Pollution ResearchOzone pollution is formed through complex chemical and physical processes closely associated with emissions, photochemical reactions, and meteorological conditions. The objective of this study is to quantify the contributions of meteorological chemical formation, vertical transport, and horizontal transport to air quality during spring and summer in ...
Yi Zhang +7 more
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Characteristics and origins of carbonaceous aerosol in the Sichuan Basin, China
Atmospheric Environment, 2014Abstract The Sichuan Basin is a low visibility area in southwest China, where the hilly and basin topography, plus humid and stagnant weather, lead to unique pollution patterns. To identify the characteristics and sources of carbonaceous aerosols, one-year record of 24-h PM2.5 samples were analyzed for organic carbon (OC) and elemental carbon (EC ...
Yuan Chen +3 more
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