Results 21 to 30 of about 10,014,249 (338)

Research of tight gas reservoir simulation technology

open access: yesIOP Conference Series: Earth and Environment, 2021
The stimulation of tight gas reservoir in Linxing block of Shanxi Province has always been a difficult problem. This paper describes and analyzes the formation lithology, physical properties and sensitivity of the reservoir.
Wanneng Zhang   +4 more
semanticscholar   +1 more source

Mhpm Solution to Mhd Fluid Flow Through Porous Medium with an Exponentially Variable Permeability

open access: yesACI Avances en Ciencias e Ingenierías, 2021
This article involves the study and analysis of the fully developed flow of a magnetorheological fluid through a non-isotropic porous medium under the effect of an external, uniform, and transversal magnetic field.
Roberto Silva   +4 more
doaj   +1 more source

COMPARATIVE ANALYSIS ON IMPACT OF WATER SATURATION ON THE PERFORMANCE OF IN-SITU COMBUSTION

open access: yesRudarsko-geološko-naftni Zbornik, 2022
The amount of oil together with the water Originally in Place (OIP), makes up the liquid phase in heavy oil reservoir systems. This amount of liquid present in the pores of the reservoir system is known as liquid saturation, plays a vital role in ...
Tummuri Naga Venkata Pavan   +2 more
doaj   +1 more source

Characteristics and influencing factors of chemical fertilizer and pesticide applications by farmers in hilly and mountainous areas of Southwest, China

open access: yesEcological Indicators, 2022
Studying the characteristics and driving factors of chemical fertilizer and pesticide application of farmers is helpful for the prevention and control of regional non-point source pollution (NPSP).
Shaojun Tan   +11 more
doaj   +1 more source

Automatic fracture optimization for shale gas reservoirs based on gradient descent method and reservoir simulation

open access: yes, 2021
In shale gas reservoir development, determination of hydraulic fracture geometry for horizontal wells is a demanding yet challenging task. One type of approach for hydraulic fracture optimization is based on reservoir simulation.
Jiaheng Chen   +5 more
semanticscholar   +1 more source

Multi-scale effects of landscape on nitrogen (N) and phosphorus (P) in a subtropical agricultural watershed: A case of Qi river basin (QRB), China

open access: yesEcological Indicators, 2023
Studying the temporal and spatial relationship between water body nutrients and landscape elements in the agricultural watershed will be helpful in revealing the process of non-point source pollution (NPSP). In order to quantitatively analyze the effects
Shaojun Tan   +9 more
doaj   +1 more source

Application of condition-based maintenance for electrical generators based on statistical control charts

open access: yesMethodsX, 2023
Condition-based maintenance involves activities that are conducted based on the equipment's performance. Continuous monitoring of equipment will ensure that it will be maintained according to a relevant activity plan.
Mohammad A. Shbool, Badi Alanazi
doaj   +1 more source

Variations in Nitrogen Accumulation and Use Efficiency in Maize Differentiate with Nitrogen and Phosphorus Rates and Contrasting Fertilizer Placement Methodologies

open access: yesPlants, 2023
Balanced nitrogen (N) and phosphorus (P) rates, coupled with rational fertilization methodology, could promote crop N accumulation, N use efficiency, and yield production, particularly in semi-arid and arid regions.
Sharifullah Sharifi   +5 more
doaj   +1 more source

Status of system-AMG for reservoir simulation applications

open access: yes, 2022
Paper SPE-173241-MS, 9 S.Algebraic multigrid (AMG) methods for directly solving coupled systems of partial differential equations (PDEs) have been extensively used in various types of numerical simulations in engineering.
Gries, Sebastian, Plum, Hans-Joachim
core   +1 more source

System-AMG for Fully Coupled Reservoir Simulation with Geomechanics

open access: yes, 2022
18 S.The consideration of geomechanical effects is becoming more and more important in reservoir simulations. Ensuring stable simulation processes often enough requires handling the entire process with all types of physical unknowns fully implicitly ...
Gries, Sebastian   +3 more
core   +2 more sources

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