Controlling Effect of Wave-Dominated Delta Sedimentary Facies on Unconventional Reservoirs: A Case Study of Pinghu Tectonic Belt in Xihu Sag, East China Sea Basin by Qinglong Chen, Renhai Pu, Xiaomin Xue, Ming Han, Yanxin Wang, Xin Cheng, Hanning Wu

“…In order to find the “sweet spots” of unconventional oil and gas from the Pinghu Formation in the Pinghu Tectonic Belt, we are committed to clarifying the development and distribution rules of coal-measure source rocks and tight reservoirs as well as the controlling factors. …”
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A Mathematical Model for the Analysis of the Pressure Transient Response of Fluid Flow in Fractal Reservoir by Jin-Zhou Zhao, Cui-Cui Sheng, Yong-Ming Li, Shun-Chu Li

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Geochemical Characteristics of Crude Oil in Member 7 of Yanchang Formation in Yanchang Oilfield by Wenming Li, Zhendong Gao, Yongdong Wang, Jingyang Pu, Hanlie Cheng, Fahim Theon

“…Yanchang Oilfield is located in the main position of oil and gas accumulation in Ordos Basin, China, and the seventh member of the Yanchang Formation is the area with the richest crude oil output at present. …”
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DECENTRALIZATION AND THE PEOPLE-CENTERED HUMAN RESOURCE MANAGEMENT MODEL TERRITORIAL COMMUNITIES by Dmytro Dzvinchuk, Viktor Petrenko, Ivan Lopushynskyi

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Numerical Investigation of Hydraulic Fracture Propagation Morphology in the Conglomerate Reservoir by Zehao Xu, Xiangjun Liu, Lixi Liang

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Design and Experimental Research on Sealing Structure for a Retrievable Packer by Yang Liu, Zhanghua Lian, Junwen Chen, Shengping Kuang, Yisheng Mou, Yuhai Wang

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Natural gas origin and accumulation of the Changxing–Feixianguan Formation in the Puguang area, China by Li Songfeng, Liu Xiaoxia, Zhang Peixin, Zhao Yinan

“…Natural gas was primarily extracted from ancient reservoirs and has evolved into light oil, condensate gas, wet gas, and dry gas. These findings serve as a foundation for investigating the accumulation of natural gas within the Changxing–Feixianguan Formation in the Puguang area. …”
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Rheological Properties of Hydrophobically Associative Copolymers Prepared in a Mixed Micellar Method Based on Methacryloxyethyl-dimethyl Cetyl Ammonium Chloride as Surfmer by Rui Liu, WanFen Pu, Hu Jia, XiaoPei Shang, Yue Pan, ZhaoPeng Yan

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Comparative Study on the Reservoir Characteristics and Development Technologies of Two Typical Karst Weathering-Crust Carbonate Gas Reservoirs in China by Haijun Yan, Ailin Jia, Fankun Meng, Qinyu Xia, Wei Xu, Qingfu Feng, Wenjun Luo, Xinyu Li, Xun Zhu, Yicheng Liu

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A New Model for Predicting Flow in Fractured-Vuggy Carbonate Reservoirs under Pseudosteady State Condition by Nai Cao, Gang Lei, Yuan Su, Hong Li, Jiali Zhang, Ci Zhang

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Institutional Support of Continuing Engineering Education by O. V. Budzinskaya, V. S. Sheinbaum

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7 Years later: Some Thoughts on the Developing of Qualification Framework by O. V. Budzinskaya, V. S. Sheinbaum

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Rheological properties and coalescence stability of degassed crude oil emulsion: Influence of supercritical CO2 treatment by Guangyu Sun, Fujun Sheng, Qingyi Li, Chuanxian Li, Fei Yang, Bo Yao, Yansong Zhao

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Optimizing Risk-based Stock Return Prediction in Tehran Stock Exchange industries: A Data Envelopment Analysis by Hamidreza Akhbari, Heydar Mohammadzadeh Salteh, Rasoul Baradaran Hassanzadeh, Mehdi Zeynali

“…ResultsThe results of optimization of stock return forecast in three industries of oil and gas extraction except exploration, extraction of metal ores and petroleum products revealed that the oil and gas extraction industry, except exploration, exhibited a higher efficiency of 0.4214 compared to other industries. …”
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Reservoir Characteristics and Its Comprehensive Evaluation of Gray Relational Analysis on the Western Sulige Gas Field, Ordos Basin, China by Xinping Liang, Qingbin Xie, Mingyu He, Quanyou Liu, Vladimir Morozov

“…Therefore, our findings could give a new theoretical and practical guidance for the later gas exploration and development, for the search of hidden stratigraphic lithological traps, and for the improvement of the proven rate of oil and gas resources in this area.…”
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Study on the optimal structure of nonmetallic coiled tubing with cable-laying based on the minimum stress in optical fibers by Houbu Li, Xueru Zhang, Xuemin Zhang, Nan Ding, Lei Li

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Estimation of the Oil-in-Place Resources in the Liquid-Rich Shale Formations Exploiting Geochemical and Petrophysical Data in a 3D High-Resolution Geological Model Domain: Baltic B... by Krzysztof Sowiżdżał, Tomasz Słoczyński, Weronika Kaczmarczyk

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Semianalytical Model for Flow Behavior Analysis of Unconventional Reservoirs with Complex Fracture Distribution by Dayou Shi, Zhengyuan Lu

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Experimental and Modeling Studies on the Prediction of Gas Hydrate Formation by Jian-Yi Liu, Jing Zhang, Yan-Li Liu, Xiao-Hua Tan, Jie Zhang

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The quality of semi-finished steel by A. G. Anisovich

“…It is shown that the pipes made of steel 20, used in the oil and gas industry, contain structurally free cementite in the structure, often in the form of a grid (points 4 and 5 according to GOST 5640–68). …”
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