Cunhui Fan

Geochemical Evidence for the Evolution of the Deyang–Anyue Rift in the Ediacaran–Cambrian Period on the Northwestern Margin of the Yangtze Block

Xiangyu Fan, Siqi Tang, Xiyan Yang, Xuan Liu et autres

Abstract The evolution of a large intracratonic rift trough in the northern Sichuan Basin, China, along the northwestern margin of the Yangtze Block, is documented during the significant Ediacaran–Cambrian Transition (ECT). Three prevailing perspectives exist regarding the specific genesis of this rift: …

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Hydrocarbon Preservation Conditions and Evaluation of the Maokou Formation in the Leshan-Yibin Area, Southern Sichuan Basin, China

Sumei Qin, Chengbo Lian, Chao Geng, Yuzhe Dai et autres

The southern Sichuan Basin is rich in natural gas and is a key area for hydrocarbon exploration. Due to multi-phase tectonic movements, structural characteristics and preservation conditions are critical for gas accumulation. Focusing on the Middle Permian Maokou Formation in the LY …

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Evaluation method for CO2 sealing integrity in shale formations based on combined weighting and 3D modeling

Xiayang Yu, Xiangchao Shi, Jianfeng Liu, Leiyu Gao et autres

Existing static sealing evaluation methods exhibit limited applicability to heterogeneous shale formations. To enhance the representativeness and objectivity of evaluation results for the static sealing of CO2 geological storage reservoirs, this study proposes and implements innovative approaches: introducing a three-dimensional heterogeneous model …

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Stratigraphic division and sedimentary environment of the Permian Wujiaping Formation in the Longmen-Wushankan area of the eastern Sichuan Basin: Insights for shale gas exploration

Linsen Zhan, Cunhui Fan, Bing Luo, Xiangchao Shi et autres

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Controlling factors for shale gas enrichment and their implications for favorable exploration areas: Insights from the Wufeng–Longmaxi Formations, Southern Sichuan, China

Zhenwei Zou, Jinghao Fu, Hu Li, Yongyang Liu et autres

The exploration and development of shale gas in the Wufeng-Longmaxi Formations (WF-LMX FM) of the Southern Sichuan Basin exhibit pronounced spatial heterogeneity with 3-5 fold gas content variations in strata meeting identical static thresholds (TOC > 2.5wt.%, porosity >5%). This exposes a …

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Multi-stage dolomitization controlled by sedimentary facies and basement faults: Insights from the Middle Permian Maokou Formation of the Eastern Sichuan Basin, SW China

Rong Yang, Xiyan Yang, Yang Li, Cunhui Fan et autres

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Characteristics and distribution of tectonic fracture networks in low permeability conglomerate reservoirs

Hu Li, Huiling Duan, Qirong Qin, Tiaobiao Zhao et autres

Natural fractures (particularly those reshaped by multiple tectonic stages) are of paramount importance for the development of tight conglomerate hydrocarbon reservoirs. These fractures not only enhance reservoir pore space but also serve as essential conduits for hydrocarbon migration. Focusing on the Permian …

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Geological characteristics and major factors controlling the high yield of tight oil in the Da’anzhai member of the western Gongshanmiao in the central Sichuan basin, China

Cunhui Fan, Shan Nie, Hu Li, Qingchuan Pan et autres

Abstract The Da’anzhai Member limestone in the central Sichuan Basin holds significant importance as a tight oil-producing formation. Despite its crucial role, the intricate patterns of hydrocarbon enrichment and the elusive geological factors dictating high-yield production have impeded tight oil exploration and …

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Multistage dolomitization influenced by the Emeishan large igneous province: Petrographical and geochemical evidence

Yang Li, Xiyan Yang, Xinzhi Wang, Cunhui Fan et autres

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Quantitative prediction and spatial analysis of structural fractures in deep shale gas reservoirs within complex structural zones: A case study of the Longmaxi Formation in the Luzhou area, southern Sichuan Basin, China

Cunhui Fan, Shan Nie, Hu Li, Ahmed E. Radwan et autres

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Fault hazard assessment in shale gas region based on seismicity and stress

Leiyu Gao, Xiangchao Shi, Cunhui Fan, Xiwen Jia et autres

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Impact of Fluid Injection on Fault Slip Causes Casing Deformationbased on Discrete Fracture Network

Hao Zhang, Xiangchao Shi, Leiyu Gao, Jianfeng Liu et autres

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