Results 41 to 50 of about 4,407 (193)
Energy Geoscience, 2022 Analysis of reservoir sensitivity to velocity, water, salt, acid, alkali and stress is critical for reservoir protection. To study the tight sandstone reservoir sensitivity at different formation depths (effective stress) and formation water conditions ...
Zhongquan Liu +9 more
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Study on seepage characteristics of tight sandstone reservoir
IOP Conference Series: Materials Science and Engineering, 2020 Abstract Seepage characteristics of reservoir rocks are important factors affecting the effect of tight oil and gas production. Therefore the pore structure of tight sandstone from Dong 6 well in 4 block of the central Dzungaria Basin were studied by mercury injection experiment, and the seepage characteristics of tight sandstone were ...
Yongfu Zhao +5 more
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A tight sandstone trapezoidal pore oil saturation model
, 2017 : “Non-Archie” phenomena are common in tight sandstone reservoirs with complicated pore structure, bringing challenges to the logging evaluation of tight sandstone.
Shengfu HU +4 more
core +1 more source
Study and Choice of Water Saturation Test Method for Tight Sandstone Gas Reservoirs
Frontiers in Physics, 2022 This study aims at investigating the applicability of the commonly used water saturation test methods such as distillation extraction method, nuclear magnetic resonance (NMR) method, constant weight method, and Coulomb method in the water saturation test
Cheng Liu +13 more
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Forced imbibition in tight sandstone cores
Shiyou shiyan dizhi, 2021 Spontaneous imbibition (SI) generally occurs under forced pressure (pressure difference between hydraulic fluid pressure and original pore pressure) during a shut-in period. However, the experimental study of SI is commonly performed at atmospheric pressure and the effect of forced pressure is often neglected.
Yun JIANG +6 more
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Characteristics and resource prospects of tight oil in Ordos Basin, China
Petroleum Research, 2016 : Efficient large-scale development of ultra-low-permeability reservoirs (0.3–1 mD) has been achieved in the Changqing Oilfield, Ordos Basin of China. According to unique features of petroleum exploration and development in this basin, tight oil herein ...
Hua Yang, Shixiang Li, Xianyang Liu
doaj +1 more source
Acoustic characteristics of tight sandstone under different variable effective stress
, 2019 During the process of drilling, well completion and production, the effective stress changes, the pore structure of tight sandstone is complex, and the micro-fracture is developed.
PANG Liufa
core +1 more source
Experimental Study on the Anisotropic Characteristics and Engineering Application of Tight Sandstone
, 2021 The anisotropy of tight sandstone (a type of unconventional gas reservoirs) is a significant factor influencing the characteristics of cracks network under hydrofracturing; thus, it also has a large influence on the final production capacity of the gas ...
Yuanlong Wei, Zhenkun Hou, Wei Liu
core +1 more source
Natural Gas Industry B, 2020 Tight sandstone gas reservoirs have poorer porosity–permeability relationships, so conventional reservoir classification schemes can hardly satisfy the classification and evaluation demand of this type of reservoirs.
Xingxing Kong +5 more
doaj +1 more source
Stress effects on the relative permeabilities of tight sandstones
Comptes Rendus. Géoscience, 2018 This note deals with the study of stress-sensitive relative permeability experimentally observed in low permeable sandstones. These sandstones are made up of quartz grains surrounded by permeable interfaces between grains and pores. A micromechanical model of relative permeability behaviour under loading highlights the role of the closure of interfaces.
Jeannin, Laurent +3 more
openaire +3 more sources