Results 21 to 30 of about 30,179 (297)

Pore Structure Differentiation between Deltaic and Epicontinental Tight Sandstones of the Upper Paleozoic in the Eastern Linxing Area, Ordos Basin, China

open access: yesGeofluids, 2021
Research on tight gas reservoirs in the eastern margin of the Ordos Basin, China, has recently become a hot spot. This paper mainly studies the reservoir characteristics of tight sandstone in the north-central area close to the provenance in eastern ...
Jimei Deng   +6 more
doaj   +1 more source

Imbibition Characteristic of Fractured Tight Sandstone Reservoir

open access: yesProcesses, 2022
“Fracture network stimulation + imbibition replacement” is a new attempt to effectively develop tight sandstone reservoirs, and the fractures provide conditions for fluid imbibition replacement. On the basis of nuclear magnetic resonance and pseudo-color processing technology, combined with the imbibition experiments, this paper studies the imbibition ...
Xiong Liu, Xin Fan, Jian Yin, Yang Zhang
openaire   +1 more source

Seismic wave equations in tight oil/gas sandstone media [PDF]

open access: yesScience China Earth Sciences, 2020
The paper is devoted to the derivation of a combined system of motion equations for solid and fluid in isotropic tight oil/gas sandstone media through volume averaging theorems (VAT). Based on the features of the media, four physical assumptions are proposed as the foundation for our derivation.
Gao, Jinghuai   +6 more
openaire   +2 more sources

Formation condition of deep gas reservoirs in tight sandstones in Kuqa Foreland Basin

open access: yesPetroleum Research, 2018
Due to the high expense of deep oil and gas exploration, prediction of gas-bearing properties before drilling is crucial for deep gas reservoir of tight sandstone. Deep tight sandstone gas fields in Kuqa Foreland Basin are characterized by high abundance,
Xuesong Lu   +6 more
doaj   +1 more source

Analysis of pore size distribution and fractal dimension in tight sandstone with mercury intrusion porosimetry

open access: yesResults in Physics, 2019
The pore size distribution (PSD) and fractal dimension of tight sandstone are studied with mercury intrusion porosimetry (MIP). Four different fractal models are used to calculate fractal dimensions from mercury intrusion capillary pressure (MICP) and ...
Fuyong Wang   +3 more
doaj   +1 more source

Analysis of pore throat characteristics of tight sandstone reservoirs

open access: yesOpen Geosciences, 2020
The characterization of pore throat structure in tight reservoirs is the basis for the effective development of tight oil. In order to effectively characterize the pore -throat structure of tight sandstone in E Basin, China, this study used high-pressure
Zhao Xinli   +4 more
doaj   +1 more source

Emplacement of sandstone intrusions during contractional tectonics [PDF]

open access: yes, 2016
Acknowledgments We acknowledge the support of sponsoring companies of Phase 3 of the Sand Injection Research Group (SIRG). We are very grateful to John Waldron and Jessica Ross for the constructive reviews of the manuscript.
Alsop, G. Ian   +4 more
core   +1 more source

Permeability evolution during progressive development of deformation bands in porous sandstones [PDF]

open access: yes, 2003
[1] Triaxial deformation experiments were carried out on large (0.1 m) diameter cores of a porous sandstone in order to investigate the evolution of bulk sample permeability as a function of axial strain and effective confining pressure.
Antonellini   +51 more
core   +3 more sources

Formation mechanism of tight sandstone gas in areas of low hydrocarbon generation intensity: A case study of the Upper Paleozoic in north Tianhuan depression in Ordos Basin, NW China

open access: yesPetroleum Exploration and Development, 2018
The Upper Paleozoic in the north part of Tianhuan depression in the Ordos Basin, NW China has lower hydrocarbon generation intensity and complex gas-water relationship, the main factors controlling the formation of tight sandstone gas and the ...
Fudong ZHANG   +10 more
doaj   +1 more source

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