Abstract: Production logging is one of the most important characteristics of managing oil production. It provides understanding into the type and rates of fluid flow in the reservoir which is critical to optimizing the well’s lifetime. In petroleum industry, production logging refers to a series of measurement tasks of a […]

113Water Production Logging for the Cost Effectively Boost Declining ...



Abstract: Intensified concerns about hazardous environmental effects of conventional oil-based mud (OBM) in Iranian offshore oil fields motivated drilling companies in Iran to search for a suitable substitution.  Water based drilling fluid (WBDF) is relatively a qualified class of drilling fluids that can combine the technical advantages of OBM. Glycol […]

101New Generation Glycol Drilling Fluids System for Drilling of ...



Abstract: In the petroleum industry there have always been an urge to improve hydrocarbon recovery, specially in aging process in which the reservoir pressure is not high enough to satisfy the economic goals of the owners. Low reservoir pressure, unrecoverable oil trapped in the reservoir, etc. are amongst many reasons […]

Optimization of Gas Injection Process Using Artificial Neural Network



Abstract: In this paper, a simulation of a fixed bed reactor for water gas shift reaction, which forms part of a hydrogen production, was carried out. A commercial CuO/ZnO/Al2O3 catalyst was employed and a two-dimensional homogeneous model was applied for the simulation. The kinetic information has been taken from literature […]

812-D Homogeneous Modeling and Simulation of Catalytic WGS Reactor



Abstract: The kinetics of water gas shift reaction was studied over commercial CuO/ZnO/Al2O3 in an integral fixed bed reactor. The experimental data were collected from literature. The CO conversion data in the temperature ranging from 180 ºC to 300 ºC were used for kinetic modeling. Surface redox and the Langmuir-Hinshelwood […]

70Kinetic Modeling of Low Temperature Water-Gas Shift Reaction ...



Abstract:   Gas sensors have a broad range of applications in various fields of research and industry such as; oil, gas, petroleum, food production, agriculture and medicine. Because of environmental issues in progressive industries, detection of poisonous gases like CO, NH3 and NOX is a great concern. Recently, graphene hybrids have […]

64Innovative Application of the New Generation of Gas Sensors ...



Abstract: Removal SO2 done by designed plant in laboratory and industrial scale has been always an important issue and it is because of its harmful effect on environment and human health. This research was aimed to determine the optimum process conditions to absorption of sulfur dioxide from mixture of flue […]

52Obtaining Optimum Conditions for Separation of SO2 Gas from ...



Abstract:   This paper reports the Research (RON) and Motor (MON) Octane Numbers of gasoline blended with an oxygenated compound “ethanol”. The ethanol concentration was varied from zero to 20%, resulting in a clear picture of the variations of the RONs and MONs in all cases. The observed differences then prompt […]

58Gasoline Octane Number Improvement by Ethanol As an Oxygenated ...





Abstract: The present article dealt with studying physical and mechanical properties of binary blend of NBR/PA6. First, samples of NBR/PA6 blends were prepared as control samples then; the effect of Nano-particles on them was studied. The samples mixed with the weight percentages of PA6 (20, 40, and 50) and (2, […]

29the Effect of Nano-Composites on the Mechanic and Morphological ...



Abstract: Solar energy (renewable energy) can play a key role in supplying the increasing energy need of humans and decrease air pollution. The production of hot water in houses for consumption is the most common use of solar energy. In the present study, a solar water heater system (SWHS) is […]

19a Practical Method to Determine the Temperature of a ...



Abstract:   Crown ethers strongly bind certain cations, forming complexes. The oxygen atoms are well situated to coordinate with a cation located at the interior of the ring, whereas the exterior of the ring is hydrophobic. The resulting cations often form salts that are soluble in nonpolar solvents, and for this […]

Trace Metal Role on Crown Ethers Stability by DFT Methods



Abstract: The goal of this research is to investigate of acid red18(AR18) dye from urban drinking water by batch proxy electrochemical reactor with using zinc-copper electrode (distance 2 cm) and hydrogen peroxide. The variables include pH(4-10), concentration of AR18(100-300mg/L), reaction time(15-45min), concentration of hydrogen peroxide(0.5-1.5 mg/L), and current density(3-9 mA/cm2). […]

Proxy Electrochemical Process for Acid Red 18 Dye Removal



Abstract In this study, process asymmetric hollow fiber poly sulfone(PSf) membranes using ethanol (0and 2 wt%) as non-solvent additive in the polymer dope via phase inversion method were fabricated. Aqueous solution of 1-methyl-2-pyrrolidine (NMP, >99.5%) was applied as a bore fluid and water was used as the external coagulant. The […]

Experimental Study on Chemical Carbon Dioxide Absorption Using Porous Polysulfone ...



Abstract:   In this paper, we perform dynamic imbibition simulations on a large scale heterogeneous fractured block. The purpose is to seek optimum conditions under which maximum oil can be recovered in large-scale extremely-heterogeneous reservoirs. In this paper, we only consider horizontal wells. However, we simulate both continuous and slug injection […]

Investigation of Heterogeneous Fractured Blocks



Abstract: In this study, viscosity and density for two-component mixtures of ethyl Formate and 1-pantanol in a temperature range 293.15K to 323.15K and in different mole fraction measurements. From the data obtained, excess molar volumes was calculated and were correlated by Redlich-Kister type equation as a function of temperature and […]

14the Measurement of Excess Molar Volumes in Two-component Mixture ...



Abstract:   Nickel-Aluminum bronze (NAB) alloy is an alloy of copper base that is used extensively for marine applications such as propellers, because it exhibits excellent corrosion resistance and mechanical properties. For surface hardening and elimination of defects caused by the casting alloy, FSP is applied on NAB. In recent years, […]

4Improvement the Surface Structure of Nickel-Aluminum Bronze (NAB) Alloy ...



Abstract:   Crown ethers are cyclic chemical compounds that consist of a ring containing several ether groups. The most common crown ethers are oligomers of ethylene oxide, the repeating unit being ethyleneoxy, i.e., -CH2CH2O-. Important members of this series are the tetramer (n = 4), the pentamer (n = 5), and […]

Recognising Stability of Crown Ethers by DFT Methods



Abstract Asmari formation is one of most important reservoirs in southwest of Iran. Production from this reservoir is mostly due to presence of fracture systems especially in Marun oilfield, hence characterization of fracture zones in reservoir facilitate the specification of perforation zones, analyzing the performance of local faults and fracture […]

Characterization of Fractures of Asmari Formation by Using Image Logs, ...



Abstract:   Drilling process is the most important part of exploitation of hydrocarbon reservoirs and accomplishment of drilling a well is determined by proper choice of the drilling fluid. The drilling fluid is related either directly or indirectly to almost every drilling problem. Improvement of drilling fluid properties therefore would have […]

Effect of a Naturally Derived Deflocculant (Black Myrobalan) on Rheological ...



Abstract: Identification and description of faults in an oilfield will help to prevent problems such as casing collapse, wellbore instability, and hydrocarbon leakage. One way to study the performance of faults is using formation micro imager logs. This type of log does this by fully imaging the wellbore wall. In […]

Study of Faults in Asmari Formation by FMI Image Log, ...



Abstract: Separation and reattachment of air flow through a sudden expansion in an annular passage with uniform heat after step are considered in this paper. The annular passage with step is applied in the design of many heat related applications where heat transfer is concerned. In this work, numerical simulation […]

Numerical Investigation of Turbulence Models for Separation Fluid Flow in ...



Abstract By utilizing spectrophotometry, the present study analyzes the effects of bismuth ion on the reaction of pyrogallol red, hydrogen peroxide and sulfuric acid. In this method, based on the previous experimental samples, the pre-defined concentrations of materials are used. These materials included bismuth 100 ppm, sulfuric acid 1 M, […]

The Analysis of Bismuth Effects on Reaction of Pyrogallol Red, ...



Abstract: Air separation unit (ASU) has become a process integral to many other processes mainly because of the significance of its constituents in many industrial applications. Eminent among them are nitrogen, oxygen and argon. New combination air separation processes for oxygen production are developed that use an uncommon adsorption unit, […]

Combination Mutual Pressure Swing Adsorption and Cryogenic Process to Optimize ...



Abstract: In this paper, the experimental investigation of cascade solar still and the cascade solar still connected to photovoltaic thermal collector is carried out. First, cascade solar still is constructed. Its tile angle is adjusted in 30 degree tangential situation on the ground. All experiments are done in the climate […]

Experimental Investigation of a Cascade Solar Still Connected to a ...