Artificial Neural Network Prediction of Silicon and Nickel recovery in Al-Si-Ni alloy Manufactured by Stir Casting
Moatasem
Khalefa
Mining and petroleum Engineering Department,Faculty of Engineering, Al-Azhar University, Qena- Egypt
author
text
article
2019
eng
Artificial neural network (ANN) is a non-linear statistical technique that being used to describe the behaviour of the materials. Al-Si-Ni alloy was prepared by the stir casting method using different optimum parameters as reaction time, temperature, Ni2O3/Al weight ratio, and Na2SiF6/Al wt. ratio. The artificial neural network is used in predicting the silicon and nickel recovery of these prepared alloys. The obtained experimental results are used to train the artificial neural network (ANN) and the temperature, Ni2O3/Al wt. ratio, and Na2SiF6 / Al wt. ratio are used as ANN's inputs. The used ANN consists of three layers; Input layer that includes 4 neurons and the hidden layer include 9 neurons, while the output layer contains 2 neurons. The Levenberg-Marquardt (LM) is used as the training function. Optimal mean square errors (MSE) for the ANN during predicting and estimating silicon and nickel recovery equal 0.0358, 0.0034, respectively, when reaction time is the variable and other parameters are kept constant, MSE equal 1.4007e-04, 1.3478e-04 when temperature is variable and other parameters are kept constant, MSE equal 1.3839e-04, 9.9891e-05 when Ni2O3/Al wt. ratio was the variable and other parameters are kept constant and finally MSE equal 0.0287, 0.0263 when Na2SiF6/Al wt. ratio is variable and other parameters are kept constant.
Journal of Petroleum and Mining Engineering
Suez University; Faculty of Petroleum and Mining Engineering
1110-6506
21
v.
1
no.
2019
1
8
https://jpme.journals.ekb.eg/article_79713_4f63a5c99b4b4cd61f99f83b52824d74.pdf
dx.doi.org/10.21608/jpme.2019.13519.1003
Determination of Average Reservoir Pressure using Pressure buildup Test: Analytical and Simulation Approach for Egyptian Oil Fields
Adel
Salem
Suez University, Faculty of Petroleum and Mining Engineering, Petroleum Engineering Department, Suez, Egypt
author
text
article
2019
eng
Pressure buildup test is one of the main pressure transient analyses that offers so many parameters that help for reservoir optimization, characterization, and material balance calculations. One of the main objectives of pressure buildup is to determine the average reservoir pressure in the drainage area. Several approaches used to get it. They are Horner, Arps and Smith, MDH, MBH, and Muskat extended methods. This paper compares between all these and investigate the differences and the domain of the applications using several field examples taken from Egyptian fields. After that, a simulation study for these field cases has been performed using Saphir software. Wells drilled in Bayahria formation (Egypt) have been chosen from this study and the recorded tests were analyzed by all methods along with Saphir software. The range of the reservoir pressure is above 2200 psi. The accuracy of each method is calculated. The lowest error method is Arps and smith, Muskat and MBH methods in the first case (the error is less than 1.2%) and MBH and MDH in the second case since the error percentage is less than 4%. Ramey–Cobb method is having the highest error in both cases. The accuracy measurement of reservoir pressure is very beneficial not only in the current reservoir calculation but also for the future calculation and field development plan such as water flowing and enhanced oil recovery. This study represents a road map for using such methods for reservoir pressure calculation for the Egyptian oil fields.
Journal of Petroleum and Mining Engineering
Suez University; Faculty of Petroleum and Mining Engineering
1110-6506
21
v.
1
no.
2019
9
16
https://jpme.journals.ekb.eg/article_79800_b6cc9d1a93cfaf046bcd8908b817c54a.pdf
dx.doi.org/10.21608/jpme.2020.73176
Effect of Components Concentration of ASP Chemical Flooding Solution on the Phase Behavior (Oil/ASP
Mosab
Albredi
Faculty Of Petrochemical Engineering-Alfurat University- Syria
author
text
article
2019
eng
In this research, the effects of the following factors on phase behavior of Oil/ASP solution were studied: Change of DDBSCa concentration in ASP solution on phase behavior of (Oil/ASP); Change of Na2CO3 concentration in ASP solution on phase behavior of (Oil/ASP) and Change of Xanthan Gum concentration in ASP solution on phase behavior of (oil /ASP) . Later The optimum concentrations of ASP components were restricted depending on phase behaviour The researcher has investigated this effect By studying change each of :oleic phase volume (Voleic) that result of emulsification between the oil and ASP solution - ASP solution volume that form emulsifier (Vd) . By relationship with (VASP%) which means : the percentage of ASP solution volume that added to the total volume (Oil+ASP solution) . The results referred to the following : the Miscibility of (ASP \Oil) is affected strongly by components concentration of ASP solution. Also, The optimum concentrations of ASP solution components that achieve successful ASP flooding depending on phase behavior are compatible with the concentrations that I found from my previous studies that achieved : minimum interfacial tension at minimum concentration (regarding surfactant and alkaline). Maximum viscosity compatible with oil viscosity of the studied oil field (regarding the polymer).
Journal of Petroleum and Mining Engineering
Suez University; Faculty of Petroleum and Mining Engineering
1110-6506
21
v.
1
no.
2019
17
26
https://jpme.journals.ekb.eg/article_79794_7a26efbc451c3502db41a310bd631451.pdf
dx.doi.org/10.21608/jpme.2020.79245
Influence of Design Parameters Change on Mass Transfer and Productivity in A Tubular Solar Still
Abdelhady
Zaghloul
Friedrichshafen, Baden-Württemberg, Germany
author
text
article
2019
eng
In this work, investigation of the main parameters affecting solar still performance under the weather conditions of the Suez-Gulf area is considered. Three solar still units are designed and constructed with different radii to operate under the same weather conditions with different design parameters. With one fullTSS model and two half-TSS models, three experiments were conducted to study how to obtain the maximum productivity during the day. In every efficient solar still design, water temperature, vapor temperature and distillate output, and difference between water temperature and inner glass cover temperatures are very important. The purpose of this research is to design a water distillation system that can purify water from nearly any source, a system that is relatively cheap, portable, and depends only on renewable solar energy. From the results of project calculations a truthful estimate was made to prototype the most effective geometries of the distiller and trough concentration system, one that will maximize evaporation/condensation and recapture waste heat to minimize thermal losses. Future goals for this project include calculation refinement, material research/testing, and fabrication. The test took place in Suez-Bay (latitude of 29° 966’ and longitude of 32° 549’).
Journal of Petroleum and Mining Engineering
Suez University; Faculty of Petroleum and Mining Engineering
1110-6506
21
v.
1
no.
2019
27
33
https://jpme.journals.ekb.eg/article_79797_34a0d4442c62ebf1a61c117873695961.pdf
dx.doi.org/10.21608/jpme.2020.79264
Simulation of Multi-Stage Flash with Brine Circulating Desalination Plant
Mohamed
Hassanean
Faculty of Petroleum and Mining Eng., Suez University, Suez, Egypt
author
Ahmed
Nafey
Faculty of Petroleum and Mining Eng., Suez University, Suez, Egypt
author
Rehab
El-Maghraby
Faculty of Petroleum and Mining Eng., Suez University, Suez, Egypt
author
Fatma
Ayyad
Faculty of Petroleum and Mining Eng., Suez University, Suez, Egypt
author
text
article
2019
eng
Multi-stage flash (MSF) desalination is the main process to solve the problem of limited freshwater resources in the world. This work describes the developed steady-state mathematical model for analysing and evaluating the performance of Multistage flashing with brine circulation desalination process (MSF-BC). It is based on the laws of energy balance, material balance, and heat transfer equations with physical properties correlations equations. The nonlinear equations are linearized and arranged into a tridiagonal matrix form. The model solution is obtained by a computer code written by MATLAB program software. It can predict the productivity of the plant with temperature profiles and flow rates for all stages in the unit. The model results were compared with some previous results presented in literature. The comparison shows good agreement with these available data. An MSF desalination plant in Ayoun Mousa, Egypt of capacity 5000 m 3 /day was presented as a case study.
Journal of Petroleum and Mining Engineering
Suez University; Faculty of Petroleum and Mining Engineering
1110-6506
21
v.
1
no.
2019
34
42
https://jpme.journals.ekb.eg/article_79731_3231a28487e3d829948d303aa436d0b1.pdf
dx.doi.org/10.21608/jpme.2020.73173
Reservoir Pressure Determination Using “After Hydraulic Fracturing Closure Analysis” technique
Hamed
Khattab
Faculty of Petroleum and Mining Engineering, Suez University- Egypt
author
Mahmoud
Tantawy
Faculty of Petroleum and Mining Engineering, Suez University- Egypt
author
Ahmed
Gawish
Faculty of Petroleum and Mining Engineering, Suez University- Egypt
author
Eslam
Mahmoud
Qarun Petroleum Company
author
text
article
2019
eng
The pressure of a reservoir is one of the most important parameters that is needed to calculate the hydrocarbon accumulation. Once the reservoir pressure is estimated, the fluid properties can be obtained via different correlations. Combined with the reservoir bulk volumes, the hydrocarbons in-place and recovery factor can be easily calculated. Consequently, if the estimate of the reservoir pressure is not accurate enough, it will be extremely difficult to determine the type of fluid we are dealing with; either saturated or undersaturated oil reservoir. In addition, it will be very challenging to accurately forecast production performance. During the last decades, the technology of Hydraulic fracturing plays one of the most important rule in the petroleum industry. It has become the magic tool for many companies to change the fields’ status from non-economic to economic. The objectives of fracturing low permeability reservoirs and high permeability reservoirs are variant and defined by reservoir parameters. Besides that, hydraulic fracture provides a new method to determine reservoir pressure and to estimate reservoir permeability, this method is called After Closure Analysis (ACA) Technique. ACA is one of the two analyses that are obtained by performing a Calibration Test, which is usually done before executing main hydraulic job. The two main analyses of Calibration Test are Pre-Closure analysis, which is used to optimize the fracture design, and ACA to determine reservoir pressure and estimate reservoir permeability. This paper illustrates some real cases that show the reasons why ACA is considered a very reliable technique to accurately determine the reservoir parameters with no considerable amount of funds compared to other counterparts’ traditional techniques; like wireline formation testing (WFT) and pressure transient analysis (PTA). Also the paper shows how extra cost and non-productive time can be avoided if the right parameters are gotten on the rig site.
Journal of Petroleum and Mining Engineering
Suez University; Faculty of Petroleum and Mining Engineering
1110-6506
21
v.
1
no.
2019
43
55
https://jpme.journals.ekb.eg/article_79742_1fb3d1b27242726e67dd9ef8875d2052.pdf
dx.doi.org/10.21608/jpme.2020.79301
Mixed Refrigeration Process for Improving NGL Recovery of El-Wastani Gas Plant
Ashour
Ibrahim
El Wastani Petroleum Company- Egypt.
author
Walaa
Shehata
Chemical & Petroleum Refining Eng. Dept. Faculty of Petroleum & Mining Eng. Suez University-Egypt
author
Fatma
Gad
Chemical & Petroleum Refining Eng. Dept. Faculty of Petroleum & Mining Eng. Suez University-Egypt
author
text
article
2019
eng
Gas processing for natural gas liquids (NGLs) and liquefied petroleum gas ( LPG) recovery is becoming of great interest due to higher sale prices of these products as well as the increase in market demand. However, many of the present recovery units in operation are not giving the desired revenue. The main focuses this study is to retrofit an Egyptian LPG plant for improving NGL recovery. A comparison had been hold between the most applicable cryogenic techniques -in which this plant could be retrofitted to- which can achieve the same targeted cooling and recovery in terms of power consumption and required additional capital cost to detect the best techniques to be applied to maximize NGL liquid Recovery. The replacement of pure propane refrigerant used to C5+ recovery by a mixed refrigerant type was selected as the best techniques which can be applied to improve NGL recovery. Due to its proper physical and thermodynamic properties that lower exergy losses and raise the exchanger effectiveness. Another comparison had been hold to detect which degree of recovery (butane or propane) will be selected for retrofitting the plant and giving the highest return on investment.
Journal of Petroleum and Mining Engineering
Suez University; Faculty of Petroleum and Mining Engineering
1110-6506
21
v.
1
no.
2019
56
71
https://jpme.journals.ekb.eg/article_79799_5758795494211f192767a6353ac99831.pdf
dx.doi.org/10.21608/jpme.2020.79302
Effect of ASP Chemical Flooding Efficiency On Displacement Factor and Water Percentage After Exhaustion of Water Flooding Efficiency in DERO Field
Mosab
Albredi
Alfurat University- Faculty Of Petrochemical Engineering - Syria
author
text
article
2019
eng
In this research a laboratory study of ASP flooding process followed by polymer solution (for mobility control) were performed in industrial core consist of marble, physical simulated the reservoir properties of productive Jreebi formation in DERO field. From my precedent studies: I found the types and optimum concentrations of ASP components that achieve maximum efficiency at minimum concentration (minimum interfacial tension for surfactant and alkaline - maximum viscosity for polymer). these types and optimum concentrations is NaOH 0.7%wt, DDBSCa (Wetconat1220EH) 0.05%wt and Xanthan Gum 550 PPM. ASP flooding processes were performed by the following volumetric ratios: 15-30-50 %PV followed by 15% PV of polymer solution (for mobility control) . Finally displacement liquid were injected up to 250%PV. All ASP flooding processes were performed in the formation conditions of DERO field. Results of the laboratory study referred to increasing of oil producing and decline of produced water at all ratios of ASP solution
Journal of Petroleum and Mining Engineering
Suez University; Faculty of Petroleum and Mining Engineering
1110-6506
21
v.
1
no.
2019
72
81
https://jpme.journals.ekb.eg/article_79795_160f48d313ffca6160ee89b9aaec8b62.pdf
dx.doi.org/10.21608/jpme.2020.79303
Modification of Relative Permeability Curves by ultrasonic Applications
Adel
Salem
Head of Petroleum Engineering Department
author
Mohamed
Snosy
General Petroleum Company, Egypt
author
Ali
Abbas
Faculty of Petroleum and Mining Engineering, Suez University (SU), Egypt
author
Ahmed
Salah
Petrobel Company, Egypt
author
text
article
2019
eng
Ultrasonic waves have been used for improved oil recovery especially from the marginal well in so many areas all over the world. The main mechanism is to supply oil molecules by energy to overcome capillary forces there by restructuring the relative permeability curves and increasing the oil mobility. Monitoring these changes is very important for increasing the oil mobility even after residual oil saturation achieved. The present work investigates the laboratory effects of ultrasonic waves on the relative permeability curves. Five sandstone and carbonate cores were used from Egyptian reservoirs. Their permeabilities range from 67 to 460 md. Acoustic ultrasonic waves of 500 KHZ have been applied. At this frequency, the fluid vibrates out of phase with the solid and is forced out through the pore structure in the agglomerate. This relative fluid motion exerts high viscous stresses at the particle-particle contact points which leads to fracture of the agglomerate and the dispersion of the individual particles. This interaction causes changes in relative permeability of the rock to oil and water. Therefore, the results showed that applying ultrasonic waves has a higher effect in permeability reservoirs (76 md to 460 md) and can mobilize additional quantity of crude oil. The fractional flow curve changes are also addressed and analyzed after wave applications. The aim of this research is to investigate the effect of the ultrasonic wave as a new proposed method to improve oil recovery by changing the relative permeability curves of the reservoirs.
Journal of Petroleum and Mining Engineering
Suez University; Faculty of Petroleum and Mining Engineering
1110-6506
21
v.
1
no.
2019
82
89
https://jpme.journals.ekb.eg/article_79792_aa14a5482849009c904007fd5174ad7f.pdf
dx.doi.org/10.21608/jpme.2020.73179
Selective Leaching for Uranium and Gold from their Bearing Sedimentary Lower Carbonaceous Sandstone Rocks, Southwestern Sinai, Egypt
Hisham
Fouad
National Research Institute- Egypt
author
Randa
Elrakaiby
National Research Institute- Egypt
author
Aziza
Lotfy
National Research Institute- Egypt
author
Mohamed
Hashim
National Research Institute- Egypt
author
text
article
2019
eng
Uranium as a nuclear element with strategic importance and gold as one of the important economic precious metals made their selective leaching from the sedimentary lower carbonaceous sandstone rocks, Southwestern Sinai, Egypt with economic concentrations (5ppm gold and 160 ppm uranium), an important issue for facilitating either their accurate determination or highest percentage recovery. A sequential leaching of uranium followed by gold was proposed in this work after studying individually their optimized leaching conditions. From the latter; a lixiviant mixture of sample to sodium carbonate ratio 1:1, sample to sodium bicarbonate ratio 1:1 together with sodium thiosulphate, as oxidant, 0.5g was used for the selective leaching of uranium. On the other hand, a leaching reagent mixture of 5% (w/v) from each of potassium cyanide, sodium thiosulphate and 10 ml from 30% hydrogen peroxide was used for the selective leaching of gold where several factors were optimized; concentration of individual component in each lixiviant, agitation time, solid to liquid ratio, temperature and pH. A percentage leaching of 97% and 96% for uranium and gold respectively were reached. Uranium was selectively separated using Amberlite IRA 402 Cl resin ion exchange resin with 99.5 % percentage recovery. The recovery of gold needs a large bulk weight from the sample due to its relatively low concentration.
Journal of Petroleum and Mining Engineering
Suez University; Faculty of Petroleum and Mining Engineering
1110-6506
21
v.
1
no.
2019
90
96
https://jpme.journals.ekb.eg/article_79798_67b7c8624261672c79b347c36cc8ba79.pdf
dx.doi.org/10.21608/jpme.2020.79314
Use of artificial neural network for prediction of mechanical properties of Al-Si alloys synthesized by stir casting
Moatasem
Khalefa
Mining and petroleum Engineering Department,Faculty of Engineering, Al-Azhar University, Qena- Egypt
author
text
article
2019
eng
Mechanical testing plays an important role in evaluating the fundamental properties of engineering materials as well as, in developing new materials. The use of conventional mathematical models in analytical calculating of the mechanical properties in most materials is very complex. In the current study Al-Si alloys were synthesized using the stir casting method. The mechanical properties as the tensile strength, Brinell hardness and wear property for the produced Al-Si alloys were investigated. Then, the obtained experimental results were used to train the artificial neural network (ANN). The neural network model is used to predict the effect of silicon content on the tensile strength, the hardness test, and wear loss for the prepared Al-Si alloys. Three neural networks were used in this study and the percent of silicon content variable was used as the ANN's input for each. Tensile test is used as ANN's output and the training function used is (traincgp) in first neural network. Also, hardness test is used as ANN's output and the training function used is (traincgf) in second neural network and wear loss test is used as ANN's output and the training function used is (traincgf) in third neural network. The obtained outcomes showed that predictions data in the applied neural networks were closer to the experimental results. The optimum mean square error (MSE) for ANNs during the tensile test, the hardness test and the wear loss test equal to 0.0335, 0.0023, 0.014 respectively and these results were satisfactory.
Journal of Petroleum and Mining Engineering
Suez University; Faculty of Petroleum and Mining Engineering
1110-6506
21
v.
1
no.
2019
97
103
https://jpme.journals.ekb.eg/article_79721_fc5b03897807a74285d6f54d19a07359.pdf
dx.doi.org/10.21608/jpme.2019.13857.1004
Well control during drilling and workover operations
Ahmed
Elgibaly
Petroleum Engineering Dept. Faculty of Petroleum and Mining Engineering- Suez University- Egypt
author
text
article
2019
eng
Kick can occur during drilling or workover operations, since it can easily develop into a blowout even the most simple blowout situation can result in the loss of millions of dollars in equipment and valuable natural resources. This research study different killing methods in different situations during drilling and workover operations and the factors that affecting killing procedures. The developed study based on actual field cases in different oil fields and results of DRLLSIM 5000 simulator runs for studying factors affecting killing operations. This study enables to differentiate conventional and non-conventional killing procedures during drilling and workover operations and introduce new drilling technique to face combination of pipe sticking, complete loss of circulations and kick problems while drilling operations and introduce solutions to prevent blow out while drilling shallow gas formations especially in Egyptian western desert and best killing procedures for production gas wells.
Journal of Petroleum and Mining Engineering
Suez University; Faculty of Petroleum and Mining Engineering
1110-6506
21
v.
1
no.
2019
104
120
https://jpme.journals.ekb.eg/article_79796_b4e53400703b28bf3642cdf0099aee3d.pdf
dx.doi.org/10.21608/jpme.2020.79316