Qihong Feng

Integrated rapid optimization of injection-production parameters: An MINLP model considering interval division and fluid volume allocation

Shanshan Li, Qihong Feng, Xianmin Zhang, Wensheng Zhou et autres

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Characterization of asphaltene deposition and formation damage during CO2 miscible/immiscible flooding in Low-permeability sandstones using NMR T1-T2

Zangyuan Wu, Qihong Feng, Xiangjuan Meng, Daiyu Zhou et autres

CO 2 flooding in low-permeability oilfields has been widely adopted worldwide as it significantly enhances oil recovery. However, when CO 2 is injected into the reservoir, asphaltene precipitation may occur, damaging the reservoir and resulting in a less pronounced improvement in recovery …

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Integrated Geology-Engineering Approach for Fracturing-Flooding Parameter Optimization in Low-Permeability Reservoirs

Yonghui Wu, Qihong Feng

The development of low-permeability reservoirs faces challenges such as low water injection efficiency and poor pressure transmission. Fracturing-Flooding technology enhances reservoir seepage capacity and effectively replenishes formation energy through high-pressure, large-volume fluid injection. This study employs an integrated geological and engineering approach, …

Nuclear Magnetic Resonance Characterization and Analytical Modeling of Compressibility of Propped Fracture in Coal: New Insights

Ruishuai Ma, Jiyuan Zhang, Qihong Feng, Yaobo Xu et autres

A proper understanding of the compressibility characteristics of propped fractures is crucial to the accurate prediction of coalbed methane production and the proper deployment of development strategies due to the application of hydraulic fracturing. In this article, online nuclear magnetic resonance experiments …

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Analytical calculation method for development dynamics of water-flooding reservoir considering rock and fluid compressibility

Li Ding, Xiang Wang, Yixin Xie, Qihong Feng

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Permeability prediction method of unconsolidated sandstone reservoirs using CT scanning technology and random forest model

Chen Liu, Qihong Feng, Wensheng Zhou, Chenchen Wang et autres

Abstract Developing unconsolidated sandstone reservoirs presents a formidable challenge due to their loose formation, which often triggers alterations in pore parameters and seepage characteristics during water injection processes. This study focuses on a specific reservoir, utilizing micro-CT scanning to examine the intricate …

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Carbon Dioxide Oil Repulsion in the Sandstone Reservoirs of Lunnan Oilfield, Tarim Basin

Zangyuan Wu, Qihong Feng, Liming Lian, Xiangjuan Meng et autres

The Lunnan oilfield, nestled within the Tarim Basin, represents a prototypical extra-low-permeability sandstone reservoir, distinguished by high-quality crude oil characterised by a low viscosity, density, and gel content. The effective exploitation of such reservoirs hinges on the implementation of carbon dioxide (CO2) …

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Comparative Evaluation of the Application Effectiveness of Intelligent Production Optimization Methods in Offshore Oil Reservoirs

Chen Liu, Qihong Feng, Kai Zhang, Jialin Wang et autres

The development of offshore oil fields confronts challenges associated with high water cut and low displacement efficiency. Reservoir injection-production optimization stands out as an effective means to reduce costs and enhance efficiency in offshore oilfield development. The process of optimizing injection and …

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Numerical Study and Force Chain Network Analysis of Sand Production Process Using Coupled LBM-DEM

Xia Tian, Qihong Feng, Sen Wang, Jiyuan Zhang et autres

Sand production has caused many serious problems in weakly consolidated reservoirs. Therefore, it is very urgent to find out the mechanism for this process. This paper employs a coupled lattice Boltzmann method and discrete element method (LBM-DEM) to study the sand production …

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The impact of variable density in-plane perforations on fracture propagation and complexity control in the horizontal well

Xian Shi, Weiqiang Song, Hongxing Xu, Tiankui Guo et autres

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Experimental near-wellbore hydraulic fracture initiation and growth for horizontal wells with in-plane perforations

Xian Shi, Lei Han, Qiaorong Han, Caiyun Xiao et autres

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Pore-scale numerical prediction of three-phase relative permeability in porous media using the lattice Boltzmann method

Xiaofei Zhu, Sen Wang, Qihong Feng, Lei Zhang et autres

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