CNN-LSTM Model Optimized by Bayesian Optimization for Predicting Single-Well Production in Water Flooding Reservoir by Lei Zhang, Hongen Dou, Kun Zhang, Ruijie Huang, Xia Lin, Shuhong Wu, Rui Zhang, Chenjun Zhang, Shaojing Zheng

“…Geared toward the problems of predicting the unsteadily changing single oil well production in water flooding reservoir, a machine learning model based on CNN (convolutional neural network) and LSTM (long short-term memory) is established which realizes precise predictions of monthly single-well production. This study is considering more than 60 dynamic and static factors that affect the changes of oil well production, introduce water injection parameters into data set, select 11 main control factors, and then, build a CNN-LSTM model optimized by Bayesian optimization. …”
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Numerical simulation of a borehole sidewall acoustic transmitter for single-well reflection imaging logging用于单井反射成像测井的井眼侧壁声发射器的数值模拟 by Jianlin Ben, Hong Zhang, Lingfan Chen

“…Utilizing a three-dimensional finite-difference algorithm, the study conducts a numerical simulation of acoustic reflection imaging logging with the transmitter, successfully acquiring acoustic field data from both the borehole and the surrounding rock formation. …”
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Identification of interlayer and connectivity analysis based on machine learning and production data: A case study from M oilfield by Xiaoshuai Wu, Yuanliang Zhao, Jianpeng Zhao, Shichen Shuai, Bing Yu, Junqing Rong, Hui Chen

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Well-log lithofacies classification based on machine learning for Chang-7 member in Longdong area of Ordos Basin by SHEN Li,WANG Caizhi,NING Congqian,LIU Yingming,WANG Hao

“…Lithofacies analysis serves as the foundation for reservoir evaluation. …”
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Well test analysis method of shale gas well groups considering fracture network connectivity by HU Xiaohu, LIU Hua, HE Hui, YUAN Hongfei

“…A well test analysis model for shale gas well groups, incorporating the connectivity of fracturing network, was developed based on a variable conductivity fracture model. …”
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Genesis analysis and effective development of normal pressure shale gas reservoir: A case of Wufeng-Longmaxi shale gas reservoir in southeast margin of Sichuan Basin by XUE Gang, XIONG Wei, ZHANG Peixian

“…This study takes an integrated geology-engineering approach to analyze the genesis and formation mechanisms of normal pressure shale gas reservoirs in the Wulong area. The analysis is based on shale burial history curves, drilling data, horizontal well fracturing parameters, and the geological characteristics specific to normal pressure shale gas reservoirs. …”
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Prediction Method for Land Subsidence Induced by Foundation Pit Dewatering under Complex Conditions by DUAN Qiguang

“…The single-well pumping tests provide data on land subsidence patterns and dewatering influence radii for different soil conditions, while the multi-well pumping tests reveal the shapes of dewatering funnels across four typical cross-sections. …”
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Prediction and evaluation method for development effect of shale oil storage volume fracturing by XU Ning, CHEN Zhewei, XU Wanchen, WANG Ling, CUI Xiaolei, JIANG Meizhong, ZHAN Changwu

“…This relationship can predict the maximum cumulative oil production of a single well after fracturing. Validated by actual production data from other shale reservoirs, this method proves to be more accurate and universal than the decline curve analysis method. …”
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RTA-Assisted Type Well Construction in Montney Tight Gas Reservoir from Western Canada Sedimentary Basin by Xiangwen Kong, Hongjun Wang, Chunshu Zhang, Ping Wang, Wenjing Zhang

“…A rate transient analysis- (RTA-) assisted workflow for type well construction is proposed based on existing production data and considering the geological and engineering factors. …”
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Estimated ultimate recovery prediction of shale gas wells based on stacked integrated learning algorithm by Min Pang, Zheyuan Zhang, Zhaoming Zhou, Wendi Zhou, Qiong Li

“…Abstract Accurately predicting the estimated ultimate recovery (EUR) of shale gas from a single well is challenging due to geological, engineering, and production factors. …”
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Triple-Porosity Modelling for the Simulation of Multiscale Flow Mechanisms in Shale Reservoirs by Mingyao Wei, Jishan Liu, Derek Elsworth, Enyuan Wang

“…The model results used for history matching also showed consistency against gas production data from the Barnett Shale. It also revealed the multispace scale process of gas production from a single well, which is supplied by gas transport from natural fracture, matrix, and kerogen sequentially. …”
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Comprehensive Evaluation of Waterflooding Performance with Induced Fractures in Tight Reservoir: A Field Case by Naichao Feng, Yuwen Chang, Zuoqian Wang, Tao Liang, Xiaofei Guo, Yimeng Zhu, Limin Hu, Yang Wang

“…Recently, we proposed a novel workflow, including real-time monitoring, formation testing analysis, and dynamic production analysis, to timely and effectively identify the initiation of waterflood-induced fractures (WIFs) and characterize the waterflooding behaviors for a well group. …”
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A Prediction Method for Flow-Stop Time in Deep-Water Volatile Oilfields: A Case Study of Akpo Oilfield in Niger Delta Basin by Botao Kang, Pengcheng Liu, Chenxi Li, Yiyi Sun, Peng Xiao, Jiawei Tang

“…By taking the dynamic relative permeability which can reflect the macroscopic movement of oil and water in the reservoir as an intermediate bridge, production performance has been combined with dominant reservoir factors, including reservoir structure, reservoir connectivity, and heterogeneity. By the statistical analysis of actual data, this paper clarified the quantitative relationships between dominant reservoir factors and production performance and established the refined prediction methods for production dynamics including water-cut and liquid production rate. …”
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A New Algorithm Model Based on Extended Kalman Filter for Predicting Inter-Well Connectivity by Liwen Guo, Zhihong Kang, Shuaiwei Ding, Xuehao Yuan, Haitong Yang, Meng Zhang, Shuoliang Wang

“…A comprehensive sensitivity analysis was performed on single-well pairs and multi-well groups regarding the permeability amplitude, the width of the high permeable channel, change, and lasting period of injection pressure. …”
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Application of Multi-Scale Geological Modeling Technology in Sweet Spot Prediction of Shale Oil Reservoirs by HU Laidong, HUO Hanyong, GUAN Qianqian, TANG Caixia, TAO Ji, ZHANG Yuxuan

“…Guided by sedimentary patterns of semi-deep to deep lacustrine shale, the research establishes 3D lithofacies and attribute models of lacustrine shale oil reservoirs by integrating the "three-end-member four-component" lithofacies classification principle with four-property parameter logging identification results, combining single-well facies analysis and planar facies distribution to extract stratigraphic structure and lithological information. …”
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Sedimentary Characteristics and Model of Estuary Dam-Type Shallow-Water Delta Front: A Case Study of the Qing 1 Member in the Daqingzijing Area, Songliao Basin, China by Huijian Wen, Weidong Xie, Chao Wang, Shengjuan Qian, Cheng Yuan

“…Based on the analysis of single-well and profile facies, the sedimentary evolution laws of the Qing 1 Member reservoirs are analyzed. …”
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Effective Evaluation Methods for Fractured Tight Sandstone Reservoirs in Kuqa Depression by LIU Shiwei, BIE Kang, WANG Dongdong, NI Xiaowei, LIU Min, XU Sihui, FENG Jiaming

“…In the case where the single well has similar petrophysical and fracture qualitative evaluation, the test production capacity is different, and there is an urgent need to conduct a well test evaluation research. …”
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Material Balance Equation for Fractured Vuggy Reservoirs with Aquifer Multiples: Case Study of Fuman Oilfield by Xingliang Deng, Zhiliang Liu, Peng Wang, Zhouhua Wang, Peng Wang, Hanmin Tu, Jun Li, Yao Ding

“…To validate the model, physical experiments were conducted using cores with different fracture–vug configurations under five distinct aquifer multiples. A field case analysis was also performed using production data from representative wells in the Fuman Oilfield. …”
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Zoning of development and utilization and evaluation of deep geothermal resources in Xiong'an New Area by Ming-xiao Yu, Xi Zhu, Gui-ling Wang, Wei Zhang, Feng Ma

“…This study integrates data from drilling and production tests across 21 geothermal wells to analyze the Jixianian strata, including depth, thickness, temperature, single-well water yield, Groundwater Level Depth (GWD), and Total Dissolved Solids (TDS). …”
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Reservoir connectivity of offshore oilfields with a sparse well pattern: a case study of the third member of Weizhou Formation of oilfield A in Weixinan Sag, Beibuwan Basin by Jinqi ZHU, Zhaoqiang YANG, Yan YANG, Kui CHEN, Tao FU

“…For lateral characterization, the study integrated multiple approaches, including reservoir contact pattern analysis, sand body scale constraints, well and seismic combination, and dynamic verification of production data to obtain the reservoir configuration profiles of different injection and production wells in the same period. …”
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