Results 1 to 10 of about 88,932 (243)

The injection capacity evaluation of high-pressure water injection in low permeability reservoir: numerical and case study

Frontiers in Earth Science
Low permeability oil reservoir resources are rich and their efficient development is considered an important way to solve energy security issues.
Weiyao Zhu, Weiyao Zhu, Weiyao Zhu, Yubao Gao, Youqi Wang, Youqi Wang, Ping Liu, Ping Liu, Yunfeng Liu, Yunfeng Liu   +9 more
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Dominant performance parameter and technical limits of surfactants for oil displacement

Energy Geoscience
In chemical flooding, emulsification and interfacial tension (IFT) reduction are crucial for enhanced oil recovery (EOR). However, the dominant performance parameter and technical limits of surfactants for oil displacement remain underexplored.
Yabing Guo, Youqi Wang, Zengmin Lun, Maolei Cui   +3 more
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Study on Petrological Characteristics and Distribution of Uranium Minerals of Sandstones in the Mengqiuer Uranium Deposit by Electron Microprobe, Xinjiang

Yankuang ceshi, 2017
Quantitative analysis of sandstone clastic composition can provide important basis for provenance and sedimentary basin investigation. Based on the observation and description of sandstone macroscopic characteristics in the field, the ore-bearing ...
HUANG Guang-wen, PAN Jia-yong, ZHANG Zhan-feng, HUANG Guang-nan, ZHANG Tao, LIAO Zhi-quan, DU Hou-fa   +6 more
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Study on displacement units for water flooded low-permeability oil reservoirs

Heliyon
Understanding the reservoir feature changes is essential for optimizing oil exploitation throughout the development lifecycle. This paper proposed an analytical displacement unit method to character the features of water-flooded, low-permeability oil ...
Weiyao Zhu, Yangwen Zhu, Wengang Bu, Youqi Wang, Yunfeng Liu   +4 more
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Rehabilitation of silicosis victims of district Karauli, Rajasthan, India

Indian Journal of Community Medicine, 2019
Background: This study was carried out to assess the reach of medico-social and economic programs to the silicosis victims in Karauli. The district is infamous for large-scale unregulated sandstone mining, a pulmonary hazard, causing silicosis, a ...
Shamim Mohammad
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A hybrid physics-informed machine learning framework for water cut prediction in waterflooding reservoirs

Results in Engineering
The variation of water cut plays a crucial role in optimizing waterflooding development strategies and delaying production decline. This study proposes a novel approach that combines machine learning with a general water cut prediction model to improve ...
Jian Gai, Wenchao Jiang, Tianzhi Wang, Xu Su, Chi Dong, Erlong Yang, Bo Yang, Xu Lai   +7 more
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Lunzské vrstvy hronika východnej časti Strážovských vrchov [PDF]

Geologické práce. Správy, 2020
The presented work summarizes knowledge on the Lunz Beds in the Hronic Považie and Ostrá Malenica nappes of the eastern portion of the Strážovské vrchy Mts.
Ondrej Pelech, Mário Olšavský, Dušan Laurinc, Júlia Kotulová, Vladimír Šimo, Marika Mikudíková   +5 more
doaj  

Residual Mechanical Properties of Sandstone After Fire

Buildings
The impact of fire on natural stone structures is a critical concern, particularly for historical buildings. This study examines the residual mechanical properties of sandstone after exposure to high temperatures.
Ema Jankovičová, Radek Zigler, Jiří Pazderka   +2 more
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Study of Dynamic Modulus of Asphalt Mix after Reinforcement of Sandstone

CivilEng
Sandstone has poor mechanical properties. To facilitate the application of sandstone into asphalt mixtures, sandstone was treated by immersion in sodium silicate solution, and the dynamic modulus after reinforcement was used as a criterion.
Bowen Zhang, Shuangquan Jiang, Nanxiang Zheng, Jinduo Liu, Yuxing Wang   +4 more
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Study on Fatigue Life Prediction and Acoustic Emission Characteristics of Sandstone Based on Mesoscopic Crack Propagation Mechanism

Energies, 2022
Even when the maximum stress is less than the peak stress under conventional loading, fatigue failure of rock is likely to occur, thereby showing its unique characteristics.
Kai Si, Zhendong Cui, Ruidong Peng, Leilei Zhao   +3 more
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