Results 271 to 280 of about 62,857 (347)

Molecular insight into the tight oil movability in nano-pore throat systems

Fuel, 2021
Understanding the movability mechanism of tight oil in nano-pore throat systems is vital for evaluating the oil accumulation and enhancing oil recovery. In this study, molecular dynamics simulations have been employed to generate insights into the tight ...
Wenyue Guo
exaly   +2 more sources

Optimizing the Development of Tight Oil Formations

SPE/EAGE European Unconventional Resources Conference and Exhibition, 2014
Abstract Substantial hydrocarbon reserves remain trapped in reservoirs that are characterized as tight, oil-wet, and fractured. The aforementioned reservoir characteristics are typical to shale formations, and significantly degrade hydrocarbon recovery efficiency because of well productivity, in addition to reservoir, capillary and sweep
Ahmad Aladasani, Saeed Salehi, Baojun Bai, Runar Nygaard   +3 more
openaire   +2 more sources

Evaluation of Enhanced Oil Recovery Application in Tight-Oil Formations

, 2021
The rapid decline rates and low oil recovery factor (typically less than 10% of the original oil in place) of primary production are well-known challenges in the development of tight-oil formations. Several enhanced-oil-recovery studies and field trials have been conducted with promising results in these formations, however, key oil-recovery mechanisms
Tran, Son Thai
openaire   +2 more sources

Characteristics of tight oil in Triassic Yanchang Formation, Ordos Basin

Petroleum Exploration and Development, 2013
By comprehensive study of reservoir and source rock distribution, petrology and geochemistry, the tight oil and its exploration potential was analyzed in the Triassic Yanchang Formation, Ordos Basin.
Xiuqin Deng
exaly   +2 more sources

Experimental study on EOR performance of CO2-based flooding methods on tight oil

, 2021
The recovery of tight formation is fairly low after depletion, and the poor physical properties make it difficult for water to be injected. And when the oil is with high wax content, it is more difficult to develop.
Haiyang Yu, Wen-Chuan Fu, Youpeng Zhang, Xin Lu, Shiqing Cheng, Qichao Xie, Xuefeng Qu, Weipeng Yang, Jun Lu   +8 more
semanticscholar   +1 more source

Surfactant-EOR in tight oil reservoirs: Current status and a systematic surfactant screening method with field experiments

, 2021
Tight oil reservoirs typically have an estimated ultimate recovery of less than 10% after hydraulic fracturing, where enhanced oil recovery (EOR) technique is needed.
Tianbo Liang, Xurong Zhao, Shuai Yuan, Jiawei Zhu, Xingyuan Liang, Xiuhui Li, Fu-jian Zhou   +6 more
semanticscholar   +1 more source

Enhancing tight oil recovery using CO2 huff and puff injection: An experimental study of the influencing factors

, 2021
A series of core flooding tests were conducted using a specially-designed matrix–fracture model to assess the performance of CO2 huff and puff (‘huff-n-puff’) injection with respect to the enhanced oil recovery (EOR) of tight oil.
M. Ding, Yefei Wang, Dexin Liu, Xia Wang, Hailong Zhao, Wuhua Chen   +5 more
semanticscholar   +1 more source

Mechanism of using liquid nanofluid to enhance oil recovery in tight oil reservoirs

, 2021
Liquid nanofluid (LNF) has been widely used for enhanced oil recovery (EOR) in tight oil reservoirs in recent years. However, the mechanism of oil recovery by LNF flooding is still unclear. In this study, a series of experiments were conducted to explore
Xingyuan Liang, Fu-jian Zhou, Tianbo Liang, Rui Wang, Hang Su, Shuai Yuan   +5 more
semanticscholar   +1 more source

Quantitative Investigation on Natural Gas Flooding Characteristics in Tight Oil Cores after Fracturing Based on Nuclear Magnetic Resonance Technique

SPE Journal, 2022
Tight reservoirs are mainly developed by injecting various gases after fracturing. However, the formed fractures are complex, and different fracture conditions have an important impact on the gas injection effect. In addition, natural gas is considered
Chuanjin Yao, Baixiu Liu, Yaqian Liu, Jia Zhao, Zhengdong Lei, Zhe Wang, Tianxiang Cheng, Lei Li   +7 more
semanticscholar   +1 more source

Application of Machine Learning and Optimization of Oil Recovery and CO2 Sequestration in the Tight Oil Reservoir

SPE Journal
In recent years, shale and tight reservoirs have become an essential source of hydrocarbon production since advanced multistage and horizontal drilling techniques were developed.
Waleed Ali Khan, Zhenhua Rui, Ting Hu, Yueliang Liu, Fengyuan Zhang, Yang Zhao   +5 more
semanticscholar   +1 more source