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Fulai Li

China University of Petroleum, East China

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Wenshuai Li

Chongqing University of Science and Technology

Wenkuan Ma

Geological Exploration Institute of Shandong Zhengyuan

Tongcheng Han

China University of Petroleum, East China

Hao Diao

China University of Petroleum, East China

Maozhen Wang

Northeastern University

Jinjun Xu

University of Jinan

Li‐Yun Fu

China University of Petroleum, East China

Kaining Wang

China University of Petroleum, East China

Hengyi Xu

Nanchang University

Liu Li

Southern Medical University

Cooperative Institutions

China University of Petroleum, East China

China University of Petroleum, Beijing

Qingdao National Laboratory for Marine Science and Technology

Shandong University of Science and Technology

Chinese Academy of Sciences

China National Petroleum Corporation (China)

Jilin University

Sinopec (China)

State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation

Research Institute of Petroleum Exploration and Development

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Geochemical characteristics and geological significance of Daohugou Formation at Ningcheng County of Inner Mongolia, Eastern China

Geological Journal (2020)

Fulai Li Wenkuan Ma Fanxue Meng Hao Diao

Geochemical characteristics of sedimentary rocks play an important role in indicating depositional environments and tectonic backgrounds. In this article, the major and trace elements of the Daohugou Formation are measured, which shows that the quartz and silicate minerals are abundant; trace elements, except for Rb, are depleted than that of the upper crust; the rare earth elements (REE) curves incline to the right with Eu negative anomaly and slight Ce negative anomaly. The Daohugou Formation is continental deposits with freshwater and oxic conditions, and the climate changes from warm and humid to hot and dry. The source rock of the Daohugou Formation is granite which experienced an intermediate chemical weathering under wet and warm conditions, and the tectonic background of the Daohugou Formation is a passive continental margin. It is deduced that the provenance of the Daohugou Formation is Archean gneiss in the south of the Daohugou Basin.

Bedrock

Continental Margin

10.1002/gj.4050

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Evolution of Diagenetic Fluid of the Dawsonite-Bearing Sandstone in the Jiyang Depression, Eastern China

Journal of Ocean University of China (2024)

Fulai Li Wenkuan Ma Chun Zhang Kaining Wang

Ankerite

10.1007/s11802-024-5501-8

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Water Circulation of Geothermal System in Kaifeng Depression

IOP Conference Series Earth and Environmental Science (2019)

Zhongfeng Duan Jiangtao Zhao Fulai Li Yanlong Kong

Abstract Kaifeng is rich in geothermal resources. It is important to clarify its genetic model for its further sustainable utilization. In this paper, the geothermal geological conditions of Kaifeng Depression are analyzed, the circulation of geothermal water in Kaifeng area are discussed by using hydrochemical and isotopic data, and the conceptual model of geothermal system is preliminarily established.

Circulation (fluid dynamics)

10.1088/1755-1315/384/1/012218

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Research on indicator system for comprehensive benefit evaluation of petrochemical enterprises

WIT transactions on information and communication technologies (2013)

Yanting Zhang Fulai Li

Welcome to the WIT Press eLibrary - the home of the Transactions of the Wessex Institute collection, providing on-line access to papers presented at the Institute's prestigious international conferences and from its State-of-the-Art in Science & Engineering publications.

Petrochemical

10.2495/isme133473

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How the effective pore and grain shapes are correlated in Berea sandstones: Implications for joint elastic-electrical modeling

Geophysics (2020)

Tongcheng Han Zhoutuo Wei Fulai Li

Joint seismic-electromagnetic surveys are increasingly being used for understanding the subsurface. Valid rock-physics models are key for interpreting joint survey data. Such models should explore the cross-property relationship between the elastic and electrical properties and link the joint elastic-electrical correlations to the properties of various types of rocks of interest. However, although current differential effective medium (DEM) models have had great success in independently modeling the elastic and electrical properties of porous rock, they are not directly suitable for joint elastic-electrical modeling because the elastic and electrical DEM models describe the microstructures of the rocks in different ways. Based on dedicated laboratory measurements and theoretical modeling, we have investigated how the effective pore and grain shapes are correlated in two Berea sandstones. We determine that the effective pore aspect ratios inverted from the elastic properties exhibit a negative linear correlation with the effective grain aspect ratios obtained from the electrical inversion. The effective pore and grain aspect ratios are linked as an implicit function of varying porosity with confining pressure. Using the derived pore and grain shapes correlation, the joint elastic-electrical modeling results compared successfully with experimental data. The obtained results reveal the natural link between the effective pore and grain shapes in Berea sandstones and make the microstructures between the elastic and electrical models consistent.

10.1190/geo2019-0756.1

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Erratum: The role of spheroidal inclusions on the electrical anisotropy of transversely isotropic rocks

Geophysical Journal International (2019)

Tongcheng Han Denghui Xu Li‐Yun Fu Fulai Li

Transverse isotropy

10.1093/gji/ggz220

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TYPICAL AUTHIGENIC MINERAL ASSEMBLAGES AFTER CO<SUB>2</SUB> INJECTED INTO SANDSTONE

Marine Geology & Quaternary Geology (2010)

Fulai Li Liu Li Xiyu Qu Guoxiang Zhao Na Liu

CO2 injection will transform sandstone reservoirs.The early filling will lead to corrosion,dissolution,and formation of some detrital minerals of secondary porosity and also generate some authigenic minerals.For different research areas,the authigenic mineral assemblages are different after CO2 injection.In this article,there are some typical authigenic mineral assemblages,including dawsonite + kaolinite,dawsonite + dolomite ± siderite,but only dawsonite and non dawsonite are researched.Then,the authors analyze and discuss the origins of different formations.

Authigenic

10.3724/sp.j.1140.2009.06103

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Pore characteristics and influencing factors of different types of shales

Marine and Petroleum Geology (2018)

Fulai Li Maozhen Wang Shaobo Liu Yiwei Hao

Macropore

Specific surface area

10.1016/j.marpetgeo.2018.11.034

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The role of spheroidal inclusions on the electrical anisotropy of transversely isotropic rocks

Geophysical Journal International (2019)

Tongcheng Han Denghui Xu Li‐Yun Fu Fulai Li

Electrical surveys are among the most important geophysical applications to understand the subsurface Earth, where anisotropic rock matrix is frequently encountered. Knowledge of the electrical properties of such rocks and their relationships with information of geological features included in the anisotropic rocks is crucial for the interpretation of electrical survey data. For this purpose, we first derive rigorous theoretical models for the electrical anisotropy of transversely isotropic (TI) rocks with spheroidal inclusions. The models assume the anisotropic background behaves isotropically in the direction whey the electrical field is applied parallel to the TI axes, and account for both aligned and randomly distributed inclusions and reduce to classical electrical models in the case of isotropic background. We then study systematically, through the obtained new models, the combined effects of geometry, concentration and alignment of both conductive and insulating spheroidal inclusions on the electrical anisotropy of TI rocks. We show that for aligned inclusions, the impact of inclusion volume fraction and aspect ratio is most significant in the direction when the electrical conductivity is measured along and perpendicular to the inclusions for conductive and insulating inclusions, respectively. For randomly distributed inclusions, both horizontal and vertical conductivity increases with decreasing aspect ratio of conductive inclusions and decreases with reducing aspect ratio of insulating inclusions. Most importantly, it is shown that the effects of randomly distributed conductive and insulating inclusions on the electrical anisotropy are similar although the rocks with insulating inclusions exhibit greater electrical anisotropy. The results provide new insights into the roles of spheroidal inclusions on the electrical anisotropy of TI rocks and pave a way for the successful interpretation of electrical survey data acquired in anisotropic rocks.

Transverse isotropy

10.1093/gji/ggz176

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Experimental and simulation study on anti-erosion properties of ductile materials

AIP Advances (2022)

Shaohua Ma Xiaodong Li Hanxiang Wang Jianmin Ma Mingchao Du

The downhole working conditions of oil fields are harsh and complex, and the working performance of tools is affected by erosion and wear after being washed by sand laden mud. In order to improve the service life of downhole tools and optimize the material with excellent anti-erosion properties, the anti-erosion properties of three common metal materials are studied in this paper. By analogy with the difficulty of abrasive water jet cutting materials, the erosion wear ability of sand laden mud on the shell of downhole tools is equivalent evaluated, and the time dimension is shortened, which is prone to analyze the erosion wear resistance of different materials. Then, a numerical model of abrasive particles impact on the material surface, based on the finite element method–smoothed particle hydrodynamics coupled method, is established, the deformation and material removal amount of different materials under the same erosion condition are compared and analyzed, and the reasons for the difference in anti-erosion properties of different materials are quantitatively analyzed from the microscopic point of view. The results showed that under the same erosion conditions, the material removal amount 40CrNi2Mo < 45Steel < Ti6Al4V, and the anti-erosion properties decreases sequentially, which is not affected by erosion velocity V (jet pressure P) and waterjet sand ratio ζ. Among them, the material deformation and removal of 40CrNi2Mo and 45Steel are similar, and the anti-erosion properties of the two are approximately the same.

Comminution

10.1063/5.0065188

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Citations (4)