Volume 53, Issue 2
مرور بر اساس
ارسال های اخیر
-
Analysis of the Casing Collapse in Terms of Geomechanical Parameters and Solid Mechanics
(University of Tehran, 2019-12-01)Casing collapse is one of the major problems in oil fields, imposing a lot of costs on oil companies. This problem occurs not only at drilling times in some formations but also after the completion and production can lead ...
-
Geomechanical Sanding Prediction in Oil Fields by Wellbore Stability Charts
(University of Tehran, 2019-12-01)Sand production is a universally encountered issue during the exploration of unconsolidated sandstone reservoirs particularly during production. The production of sand particles with the reservoir fluids depends on the ...
-
Sliding Mode Control For Heartbeat Electrocardiogram Tracking Problem
(University of Tehran, 2019-12-01)In this paper, we have exploited the first-order sliding mode control method to track the ECG data of the human heart by three different nonlinear control laws. In order to lessen the intrinsic chattering of the classic ...
-
New Insight on Deformation of Walnut/Ceramic Proppant Pack under Closure Stress in Hydraulic Fracture: Numerical Investigation
(University of Tehran, 2019-12-01)This study is an attempt to investigate the mechanical behavior of proppant packs deforming under compression loading. A generalized confined compression test (CCT) was simulated in the present study to investigate the ...
-
Investigation of Thermodynamic Consistency Test of Carbon Dioxide (CO2) in Room-Temperature Ionic liquids using Generic van der Waals Equation of State
(University of Tehran, 2019-12-01)Thermodynamic consistency test of isothermal vapor-liquid equilibrium (VLE) data of various binary systems containing Carbon dioxide (CO2)/Room temperature ionic liquids (RTILs) have been investigated in wide ...
-
Prediction of methanol loss by hydrocarbon gas phase in hydrate inhibition unit by back propagation neural networks
(University of Tehran, 2019-12-01)Gas hydrate often occurs in natural gas pipelines and process equipment at high pressure and low temperature. Methanol as a hydrate inhibitor injects to the potential hydrate systems and then recovers from the gas phase ...
-
Lactic-based Novel Amine Ionic Liquid: Synthesis and Characterization of [DEA][Lac]
(University of Tehran, 2019-12-01)In this study, a novel amine ionic liquid “Diethanolamine Lactic" [DEA][Lac] was synthesized. The replacement of halogenated ion fluid was used as a modified methodology for the preparation of diethanolamine based on lactic ...
-
An Investigation on Corrosion and Stress Corrosion Cracking initiation of a Ferritic Stainless Steel in a Tertiary Amine Solution
(University of Tehran, 2019-12-01)The present study focused on stress corrosion cracking (SCC) and corrosion behavior of ferritic stainless steel (grade 430) in activated methyl diethanolamine (aMDEA) solution, which is classified as a tertiary amine. In ...
-
Investigation of Asphaltene Precipitation Using Response Surface Methodology Combined with Artificial Neural Network
(University of Tehran, 2019-12-01)The precipitation of asphaltene, one of the components of oil, in reservoirs, transfer lines, and equipment causes many problems. Accordingly, researchers are prompted to determine the factors affecting asphaltene precipitation ...
-
Simulation Study of Salinity Effect on Polymer Flooding in Core Scale
(University of Tehran, 2019-12-01)In this study, simulation of low salinity polymer flooding in the core scale is investigated using Eclipse-100 simulator. For this purpose, two sets of data are used. The first set of data were adopted from the results of ...
-
Bubble Pressure Prediction of Reservoir Fluids using Artificial Neural Network and Support Vector Machine
(University of Tehran, 2019-12-01)Bubble point pressure is an important parameter in equilibrium calculations of reservoir fluids and having other applications in reservoir engineering. In this work, an artificial neural network (ANN) and a least square ...
-
PSO-ANFIS and ANN Modeling of Propane/Propylene Separation using Cu-BTC Adsorbent
(University of Tehran, 2019-12-01)In this work, an artificial neural network (ANN) model along with a combination of adaptive neuro-fuzzy inference system (ANFIS) and particle swarm optimization (PSO) i.e. (PSO-ANFIS) are proposed for modeling and prediction ...