5 Result(s)
within
WeiFeng Sun
Earth Sciences
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Article
Study on shear strength characteristics of loess dam materials under saturated conditions
A loess accumulation dam in Ansai Area, Yan’an, Shaanxi province is selected as the research object, and the remolded soil of the dam body is taken as the test material to conduct the saturated loess indoor tr...
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Article
Stress sensitivity in naturally fractured reservoirs: a case study of the Lower Cretaceous **agou Formation, Qingxi Oilfield, Jiuxi Basin, northwestern China
Stress sensitivity is the variation of rock petrophysical parameters resulting from changes in effective stress. In fractured reservoirs, experimental methods exhibit a certain amount of error in the quantitat...
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Article
Failure models of a loess stacked dam: a case study in the Ansai Area (China)
A loess dam is not fully compacted, so there may be a high permeability area in a loess dam. The seepage channel appears inside the dam body, and osmosis damage occurs; these events cause the dam body to be un...
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Article
Effects of mechanical layering on hydraulic fracturing in shale gas reservoirs based on numerical models
Generally, induced hydraulic fractures are generated by fluid overpressure and are used to increase reservoir permeability through forming interconnected fracture systems. However, in heterogeneous and anisotr...
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Article
Prediction of natural fractures in the Lower Jurassic Ahe Formation of the Dibei Gasfield, Kuqa Depression, Tarim Basin, NW China
The Lower Jurassic low porosity and low permeability Ahe Formation is the major reservoir of Dibei Gasfield in the Kuqa Depression, Tarim Basin. Natural fractures are important spaces for storage of hydrocarbo...
