Reservoir property changes during CO2–brine flow-through experiments in tight sandstone: Implications for CO2 enhanced oil recovery in the Triassic Chang 7 Member tight sandstone, Ordos Basin, China
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Asian Earth Sciences"
DOI: 10.1016/j.jseaes.2019.05.002
Abstract: Abstract The effects of supercritical CO2 (ScCO2) on reservoir property changes of the Chang 7 Member tight sandstones of the Yanchang Formation, Ordos Basin, China, were investigated using CO2–brine flow-through experiments, in conjunction with detailed… read more here.
Keywords: tight sandstone; chang member; reservoir property; co2 brine ... See more keywords
Three-dimensional imaging of fracture propagation in tight sandstones of the Upper Triassic Chang 7 member, Ordos Basin, Northern China
Sign Up to like & getrecommendations! Published in 2020 at "Marine and Petroleum Geology"
DOI: 10.1016/j.marpetgeo.2020.104501
Abstract: Abstract The characteristics of fracture propagation in heterogeneous tight sandstones are critical to volumetric fracturing, which is the key to unlocking unconventional resources in tight sandstones. Quantification of the influence of pre-existing pore systems and… read more here.
Keywords: three dimensional; propagation; member ordos; tight sandstones ... See more keywords
The influence of bitumen on reservoir properties and hydrocarbon accumulation in the Chang-8 Member of Huaqing area, Ordos Basin, China
Sign Up to like & getrecommendations! Published in 2019 at "Petroleum Science and Technology"
DOI: 10.1080/10916466.2018.1511589
Abstract: Abstract The Chang-8 Member belongs to a low-porosity and low-permeability reservoir. Combined with the geochemical indices, physical properties of reservoirs before and after washing oil, the hydrocarbon accumulation sequence and reservoir compaction history was analyzed.… read more here.
Keywords: hydrocarbon accumulation; reservoir; chang member;
Research on the Characteristics of Microscopic Damage to Different Pore Types by Slippery Water Fracturing Fluid in the Chang Member Tight Sandstone Reservoir, Ordos Basin, NW China
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DOI: 10.1155/2021/6652877
Abstract: This paper examines the damage caused by slickwater fracturing fluid to the microscopic pore structure of tight sandstone in the Chang 7 member in the Ordos Basin. A submicron CT in situ displacement system was… read more here.
Keywords: tight sandstone; fracturing fluid; damage; pore ... See more keywords
Gas Desorption Characteristics of the Chang 7 Member Shale in the Triassic Yanchang Formation, Yan’an Area, Ordos Basin
Sign Up to like & getrecommendations! Published in 2023 at "Minerals"
DOI: 10.3390/min13050622
Abstract: In the Yan’an area of the Ordos Basin, the lithological heterogeneity of Chang 7 Member shale is extremely strong. In addition, sandy laminae is highly developed within the Chang 7 Member shale system. In order… read more here.
Keywords: gas; desorption; member shale; chang member ... See more keywords