Results 11 to 20 of about 4,407 (193)

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   +2 more sources

Evaluation of Co-exploration Potential of Coalbed Methane and Tight Sandstone Gas in Hegang Basin

open access: yesMeikuang Anquan, 2020
For the characteristics of large number and thickness of coal seams and tight sandstones in the coal-bearing rock series in Hegang Basin, the characteristics of coal rock, sedimentary environment, reservoir thickness, sealing characteristics, and gas ...
ZHAO Lifang, ZHANG Zhou, YANG Jin
doaj   +2 more sources

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   +2 more sources

Growth Mechanism of Siliceous Cement in Tight Sandstone and Its Influence on Reservoir Physical Properties

open access: yesEnergies, 2018
To investigate the effect of siliceous cementation on the densification of sandstone and the forming process of tight sandstone, based on cathodoluminescence, scanning electron microscopy and thin section analysis, the growth mechanism and ...
Bo Jiu   +3 more
doaj   +2 more sources

Study of the numerical simulation of tight sandstone gas molecular diffusion based on digital core technology

open access: yesPetroleum Science, 2018
Diffusion is an important mass transfer mode of tight sandstone gas. Since nano-pores are extensively developed in the interior of tight sandstone, a considerable body of research indicates that the type of diffusion is mainly molecular diffusion based ...
Hong-Lin Zhu   +7 more
doaj   +2 more sources

True triaxial mechanical characteristics of tight sandstone with different oil and water staturation

open access: yes地质科技通报, 2023
The occurrence of fluids such as water, oil or natural gas in tight sandstone reservoirs may affect the mechanical characteristics of tight sandstone. This paper selects tight sandstones of Yanchang Formation in Panlong area of Ordos Basin, and uses YSZS-
Pengxiang Xu   +7 more
doaj   +2 more sources

A method for calculating saturation in tight sandstone reservoirs based on the dual porosity model [PDF]

open access: yesFrontiers in Earth Science
IntroductionWith the continuous development of exploration and development, tight sandstone reservoirs have become an essential field of oil and gas exploration.
Yi Xin   +16 more
doaj   +2 more sources

Distribution and controlling factors of tight sandstone oil in Fuyu oil layers of Da'an area, Songliao Basin, NE China

open access: yesPetroleum Exploration and Development, 2015
By using core samples, thin section, scanning electron microscope and rate-controlled mercury penetration data etc, the reservoir characteristics, oil-bearing characteristics and main controlling factors of the tight sandstone oil in Fuyu oil layer of Da'
Yu SUN   +7 more
doaj   +2 more sources

Experimental investigation of porosity and permeability change caused by salting out in tight sandstone gas reservoirs

open access: yesJournal of Natural Gas Geoscience, 2018
Salt precipitation and its induced problems are increasingly prominent with the development of deep and ultra-deep tight sandstone gas reservoirs with high salinity formation water.
Lijun You   +4 more
doaj   +2 more sources

Integrated Diagenesis Study of Tight Gas Sandstone: The Permian Lower Shihezi Formation, Northern Ordos Basin, China [PDF]

open access: yes, 2022
Diagenesis varies greatly from basin to basin and has been considered as the key control of the reservoir quality of tight sandstones. In this study, we analyzed the petrographic characteristics, diagenesis, and pore types and characteristics of the ...
Lianfu Hai   +4 more
core   +1 more source

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