Research on adaptability of fracturing technologies for CBM horizontal wells based on the viewpoint of “unblocking and channeling” by Yuhang XIAO, Qingzhong ZHU, Qun ZHAO, Meizhu WANG, Yang ZHAO, Qinping SUN, Sanshuai WANG, Zongyuan LI, Qing DONG, Zihan WANG, Zhi ZHOU, Jigang GUO

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Joint Operation Technology of Directional Bridge Plug and Perforation for Horizontal Wells Based on Inclination Angle Detector by TANG Ke, FANG Ming

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Research on prediction of bottom hole flowing pressure for vertical coalbed methane wells based on improved SSA-BPNN by YU Yang, DONG Yintao, LI Yunbo, BAO Yu, ZHANG Lixia, SUN Hao

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Application of Gradient Boosting Machine Learning Algorithms to Predict Uniaxial Compressive Strength of Soft Sedimentary Rocks at Thar Coalfield by Niaz Muhammad Shahani, Muhammad Kamran, Xigui Zheng, Cancan Liu, Xiaowei Guo

“…According to the results, the XGBoost algorithm outperformed the GBR, Catboost, and LightGBM with coefficient of correlation (R2) = 0.99, mean absolute error (MAE) = 0.00062, mean square error (MSE) = 0.0000006, and root mean square error (RMSE) = 0.00079 in the training phase and R2 = 0.99, MAE = 0.00054, MSE = 0.0000005, and RMSE = 0.00069 in the testing phase. …”
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The Controlling Factors and Prediction of Deep-Water Mass Transport Deposits in the Pliocene Qiongdongnan Basin, South China Sea by Jiawang Ge, Xiaoming Zhao, Qi Fan, Weixin Pang, Chong Yue, Yueyao Chen

“…The area under the curve mean value is 0.9849, indicating that the model was effective and stable. …”
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Research on the Application of Acoustic Far Detection Technology in Relief Well by ZHAO Long, LI Zhen, GUO Shangjing, SUN Xiaofang

“…Relief well is an effective technical means to control the accident well, and it needs to accurately detect the location of the accident well in the implementation process. …”
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Semantic Differential For Evaluation of Educational Pathway of Personality by Yana Sukhenko

“…The following components make up a system of meanings and attitudes to the educational pathway: implementation conditions, formation mechanisms, management forms, mapping (as a form of the technique and research results representation), individual character, innovative nature of the educational pathway of a personality. …”
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THE SOURCES OF COMPETITIVE ADVANTAGES OF ELECTRIC SCOOTER SHARING SERVICES by S. V. Ilkevich

“…Moreover, there are already well-based hopes for a full-scale revolution of micro-mobility, as the development of small means of mobility in urban environments becomes both irresistible and irreversible. …”
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E-Monitoring Instalasi Pengolahan Air Limbah Pelabuhan Perikanan Nusantara Kejawanan Menggunakan Metode Agile Scrum by Salsabila Putri Fahriza, Willdan Aprizal Arifin, Ayang Armelita Rosalia

“…Based on the functional suitability aspect, the system created has 100% working features which means the system can run well. Based on the usability aspect, this system gets 90.67% of the questionnaire results, which means that users state that this e-monitoring system is very feasible to use. …”
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Deep well as a facility for on-line hydraulic studies of the stress state of the rock mass in fluid-saturated fractured reservoirs by A. G. Vakhromeev, V. M. Ivanishin, S. A. Sverkunov, V. N. Polyakov, R. K. Razyapov

“…If an incomprehensive geological model is used for production planning with a lack ofa well-based approach to the development of a carbonate reservoir, design well flow rates may not be achieved, the field reserve coverage will be reduced and, consequently, the oil recovery ratio will be lower. …”
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