Results 11 to 20 of about 30,413 (251)

Microscopic Flow Characteristics of Fluids in Porous Medium and Its Relationship with Remaining Oil Distribution: A Case Study in Saertu Oilfield of Daqing in China [PDF]

Geofluids, 2018
The Saertu Oilfield of Daqing in northeast China has entered ultrahigh water-cut stage of development. Numerical simulation is applied in this paper to study characteristics of microscopic fluid velocity and flow pressures variation in the core pores in ...
Z. Li, X. Sun, F. Wang, Y. Liang
doaj   +3 more sources

Experimental Study on Microscopic Water Flooding Mechanism of High-Porosity, High-Permeability, Medium-High-Viscosity Oil Reservoir

Energies, 2023
After the development of high-porosity, high-permeability, medium-high-viscosity oil reservoirs enters the high-water-cut stage, the remaining oil is highly dispersed on the microscopic scale, which leads to a change in the oil-water-flow law.
Yang Li, Pin Jia, Ming Li, Haoran Feng, Cong Peng, Linsong Cheng   +5 more
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Quantitative reservoir classification and evaluation based on reservoir microscopic characteristics [PDF]

E3S Web of Conferences, 2022
In view of the remaining oil recovery situation and the needs of the development of tertiary oil recovery technology, using mercury intrusion data, through statistical analysis of the relationship between microscopic pore structure parameters and ...
Zhao Hui
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Experimental Research on the Effective Utilization of Remaining Oil Based on the Microfluidic Flat Model

Geofluids, 2022
Using the micro model plus full-information scanning video, it can vividly and intuitively reproduce the fluid movement during the oil, gas, and water displacement process and the microscopic remaining oil morphology and distribution after the water ...
Bin Chen, Hai Huang, Le Qu, Qingqing Li, Hongxuan Ge, Baiqiang Li   +5 more
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Performance Evaluation and Oil Displacement Effect of Amphiphilic Polymer Heavy Oil Activator

Molecules, 2023
A heavy oil activator is an amphiphilic polymer solution that contains hydrophilic and oleophobic groups. It can enhance heavy oil recovery efficiency. This paper studied the changes in the distribution of the remaining oil after activator flooding and ...
Jiqiang Zhi, Yikun Liu, Jinfeng Chen, Nan Jiang, Dezhu Xu, Lifeng Bo, Guohui Qu   +6 more
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Microscopic remaining oil distribution and quantitative analysis of polymer flooding based on CT scanning [PDF]

Advances in Geo-Energy Research, 2019
To investigate the distribution characteristics of remaining oil after polymer flooding, the core samples of different stages of water flooding and polymer flooding were scanned and imaged based on CT scanning technology. The oil, water and rock were divided into three phases by image analysis method, and the corresponding digital cores were ...
Xin Wang, Hongwei Yin, Xia Zhao, Bingxian Li, Yongfei Yang   +4 more
openaire   +3 more sources

Microscopic Determination of Remaining Oil Distribution in Sandstones With Different Permeability Scales Using Computed Tomography Scanning [PDF]

Journal of Energy Resources Technology, 2019
To investigate the characteristics of oil distribution in porous media systems during a high water cut stage, sandstones with different permeability scales of 53.63 × 10−3 μm2 and 108.11 × 10−3 μm2 were imaged under a resolution of 4.12 μm during a water flooding process using X-ray tomography.
Yang, Yongfei, Yang, Haiyuan, Tao, Liu, Yao, Jun, Wang, Wendong, Zhang, Kai, Luquot, Linda   +6 more
openaire   +3 more sources

Study on Morphological Identification of Tight Oil Reservoir Residual Oil after Water Flooding in Secondary Oil Layers Based on Convolution Neural Network

Energies, 2022
In this paper, a microscopic oil displacement visualization experiment based on the glass etching model to simulate the tight oil reservoir of underground rocks is carried out.
Ling Zhao, Xianda Sun, Fang Liu, Pengzhen Wang, Lijuan Chang   +4 more
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Heterogeneity of a Sandy Conglomerate Reservoir in Qie12 Block, Qaidam Basin, Northwest China and Its Influence on Remaining Oil Distribution

Energies, 2023
In view of the key geological factors restricting reservoir development, the reservoir heterogeneity of an alluvial fan sandy conglomerate reservoir in the Qie12 block of Qaidam Basin, Northwest China, and its influence on remaining oil distribution ...
Qingshun Gong, Zhanguo Liu, Chao Zhu, Bo Wang, Yijie Jin, Zhenghao Shi, Lin Xie, Jin Wu   +7 more
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Characterization of crude oil mobilization under advanced CO2 injection in tight oil of Chang 8 member, Ordos Basin [PDF]

Youqicang pingjia yu kaifa
The poor physical properties and low pressure coefficient of tight oil reservoirs make it difficult to directly apply the advanced water injection development technology, which has been successfully used in low-permeability oil reservoirs, to tight oil ...
WANG Jiwei, LIU Jian, WANG Xuanru, SHI Luming, HAO Dong, SONG Peng, REN Jitian, XIAO Wenlian
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