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Utilizing machine learning for flow zone indicators prediction and hydraulic flow unit classification [PDF]

Scientific Reports
Reservoir characterization, essential for understanding subsurface heterogeneity, often faces challenges due to scale-dependent variations. This study addresses this issue by utilizing hydraulic flow unit (HFU) zonation to group rocks with similar ...
Tengku Astsauri, Muhammad Habiburrahman, Ahmed Farid Ibrahim, Yuzhu Wang   +3 more
doaj   +5 more sources

Determination of Reservoir Hydraulic Flow Units and Permeability Estimation Using Flow Zone Indicator Method

Iraqi Journal of Chemical and Petroleum Engineering, 2023
   Reservoir characterization plays a crucial role in comprehending the distribution of formation properties and fluids within heterogeneous reservoirs. This knowledge is instrumental in constructing an accurate three-dimensional model of the reservoir,
Alyaa M. Ali, Ayad A. Alhaleem
doaj   +2 more sources

An experimental study of the influence of pressure pulsations in the water turbine flow path on vibration parameters of the hydraulic unit [PDF]

MATEC Web of Conferences, 2017
The paper presents an experimental study of the relationship between the vibration of the water turbine unit and the pressure pulsations in the flow path.
Dekterev Dmitry, Platonov Dmitry, Minakov Andrey, Maslennikova Alexandra, Abramov Artem   +4 more
doaj   +9 more sources

Study on change characteristics of unit liquid injection volume during hydraulic fracturing

Meikuang Anquan, 2023
In order to study the change characteristics of unit liquid injection volume during hydraulic fracturing of coal seams, using the engineering test method, taking the 1703 working face of Jinzhong Coal Mine in Junlian County, Yibin City, Sichuan Province ...
Zongkai JIA, Yunlong ZHANG, Guangming SONG, Weiwei SU   +3 more
doaj   +1 more source

Research on the Flow-Induced Stress Characteristics of Head-Cover Bolts of a Pump-Turbine during Turbine Start-Up

Energies, 2022
Nowadays, pump-turbine units have to experience multiple start-stops every day to balance the power production and consumption on the grid. During the transient process of turbine start-up, the hydraulic forces applied to the head-cover would change ...
Zhengwei Wang, Juwei Yang, Wei Wang, Jie Qu, Xingxing Huang, Weiqiang Zhao   +5 more
doaj   +1 more source

Delineation of preferential flow pathways in a tropical crystalline rock aquifer in Tarkwa, Ghana using integrated hydrogeophysical methods

Hydrology Research, 2023
In Ghana, crystalline rock aquifers with secondary hydraulic features and preferential flow pathways serve as very important aquifers. Protecting and managing these geological porous media require identifying preferential flow pathways and hydraulic ...
Prodeo Yao Agbotui, Anthony Ewusi, Jamel Seidu, Mark Brookman-Amissah, Anthony Woode, Bright Aforla   +5 more
doaj   +1 more source

Analysis of Centroid Trajectory Characteristics of Axial-Flow Pump Impeller Under Hydraulic Excitation

Frontiers in Energy Research, 2021
The hydraulic excitation characteristics of axial flow pump unit are studied through theoretical analysis, numerical simulation and field test in this paper.
Xiaohui Duan, Fangpin Tang, Hao Xu, Jian Chen, Qun Lu, Wenyong Duan, Rentian Zhang   +6 more
doaj   +1 more source

Переходные процессы следящего гидроагрегата навесного оборудования трактора [PDF]

, 2008
У статті викладено результати досліджень перехідних процесів тиску на виході насосного агрегату, переміщень золотника гідророзподільника і штока гідроциліндра та інших перемінних, що відбивають вплив на динаміку гідроагрегату нелінійності елементів ...
Лурье, Зиновий Яковлевич, Макей, В. А., Цента, Евгений Николаевич   +2 more
core   +2 more sources

Research on Hydraulic Characteristics of Inlet Pipeline of Pumping Station Based on Standard k-ε Turbulence Model

Guan'gai paishui xuebao, 2021
【Background】 The flow velocity in the inlet pipeline does not meet the requirements of the specification and the flow pattern is turbulent of an irrigation pumping station in the lower reaches of the Yellow River.
GAO Chuanchang, GAO Yuxin, SUN Longyue
doaj   +1 more source

Analysis of and Experimental Research on a Hydraulic Traction System Based on a Digital Hydraulic Transformer

Sensors, 2022
In this study, we designed a new type of digital hydraulic transformer using four gear–pump/motor units with a displacement ratio of 20:21:22:23 and two control valve groups that consist of four solenoid directional valves. The driving gear shafts of the
Weijian Li, Zhuxin Zhang, Tao Liu, Hengyi Cao, Tao Ni, Yafei Wang   +5 more
doaj   +1 more source