Güncel Gönderiler: Makale Koleksiyonu
Toplam kayıt 114, listelenen: 61-80
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Effect of Clinoptilolite-Rich Zeolite on the Properties of Water Based Drilling Fluid
(Parlar Scientific Publications (P S P), 2019)Wellbore instability is an important problem in drilling operation, especially in high temperature and pressure shale formations. This problem has been addressed using zeolite or other particles as drilling fluid additives. ... -
The Rheology and Performance of Geothermal Spring Water-Based Drilling Fluids
(Wiley-Hindawi, 2019)In this study, the rheological properties and performances of mud prepared with geothermal spring water to be used by geothermal drilling operators were examined at ambient and elevated temperatures. In this context, mud ... -
Usage of Olivine as Additive Material in Water-Based Drilling Muds
(Parlar Scientific Publications (P S P), 2019)Drilling is one of the most common methods for the production of fossil fuels or geothermal energy. The success of drilling operations depends on various parameters. One of these parameters is drilling mud. Drilling mud ... -
Comparison of stable isotope values of Quaternary calcretes from Adana and Mersin provinces: implications on controlling factors
(Scientific Technical Research Council Turkey-Tubitak, 2019)Calcretes are widespread in Adana and Mersin provinces and form under different morphologies. Most calcrete profiles comprise a hard laminated crust/hardpan at the top, gradually intergrading into the nodular and/or ... -
Investigation of the effects on rheological and filtration properties of water-based drilling mud of boron minerals: An experimental study
(Pamukkale University, 2019)The aim of this study is to determine the effect on the rheological and filtration properties of water based drilling fluid of boron minerals. For this purpose, water-based drilling mud was prepared and borax (Na2B4O7.10H2O) ... -
A Comprehensive Study on Fuel Adulteration Sensing by Using Triple Ring Resonator Type Metamaterial
(Electrochemical Society Inc., 2019)A novel shaped metamaterial sensor application which is designed to operate in X band is proposed. A new sample holder for easy operation is designed and placed just behind the proposed structure in X band. Since the ... -
Exergetic Simulation and Performance Analysis of the Effect of Flow Patterns in PEMFCs
(Int Center Applied Thermodynamics, 2019)In this study, 6 different novel flow channels of the "proton exchange membrane" (PEM) type fuel cells were designed and modeled, while evaluations were conducted on three-dimensional channels of various designs using ... -
Thiadiazoloquinoxaline and benzodithiophene bearing polymers for electrochromic and organic photovoltaic applications
(Taylor & Francis Ltd, 2019)Two novel thiadiazoloquinoxaline and benzodithiophene (BDT) bearing copolymers were designed and synthesized. Different BDT units (alkoxy and thiophene substituted) were used as donor materials and the effect of alkoxy and ... -
Effect of Carbon Nanotube Addition on the Superconducting Properties of BSCCO Samples Textured via Laser Floating Zone Technique
(Springer, 2019)In this research, the effect of carbon nanotube (CNT) addition on the structural and superconducting properties of Bi2Sr2CaCu2Oy + x wt% CNT materials with x = 0, 0.5, 1, and 3 prepared by solid state method, followed by ... -
Effect of Gold Nanoparticle Functionalized Multi-Walled Carbon Nanotubes on the Properties of Na-Bentonite Water Based Drilling Fluid
(Parlar Scientific Publications (PSP), 2020)This study aims to investigate and define the influence of gold nanoparticle functionalized multi-walled carbon nanotubes (AuNP/p-MWCNTs) on the performance of drilling fluids to make the drilling operation smooth and ... -
Oil and gas exploration in Seferihisar Uplift (Western Turkey) containing an operable-size gold deposit: Geochemical evidence for the presence of a working petroleum system
(Springer Heidelberg, 2020)In recent studies, the links between hydrocarbon accumulations and gold mineralizations have been examined. According to the results obtained from these studies, it has been reported that gold and hydrocarbons are carried ... -
Synthesis, electrochromic characterization and solar cell application of thiophene bearing alternating copolymers with azobenzene and coumarin subunits
(Taylor & Francis, 2020)In this study, azobenzene and coumarin functionalized thiophene comprising two copolymers (poly (4-((3"'-hexyl-[2,2 ':5 ',2 '':5 '',2"'-tetrathiophene] - 3 '-yl)methoxy) - 2H-chromen-2-one (P1) and poly (1-(4-((4"'-hexyl-[2,2 ... -
Determination of Heavy Metal Concentrations in Agricultural Lands of Amik Plain with MP-AES
(Parlar Scientific Publications, 2019)Heavy metal concentration in soils is crucial for environmental quality and agricultural ecosystems' health. Intensive agricultural practices and changing land use can induce their availability and mobility in agricultural ... -
The rheological performance of fly ash in inhibitive water-based drilling fluids
(Slovnaft VURUP a.s, 2019)Water-based drilling fluids are the most widely used systems in drilling operations and contain a different type of additive to achieve desired rheological and filtration properties. In this study, an experimental investigation ... -
Production and Characterization of Nanobentonite from Sodium Bentonite with Mechanical Grinding
(Parlar Scientific Publications, 2019)Clays can be classified in many ways because of various factors such as the complexity of the clay minerals, foreign substances they contain, and the place and characteristics of their formation. According to mineralogical ... -
Effect of n-CaCO3 on fresh, hardened properties and acid resistance of granulated blast furnace slag added mortar
(Elsevier, 2020)Nano size CaCO3 (n-CaCO3) particles were used as an additive into the Ground Granulated Blast Furnace Slag (GGBS) added mortar to investigate their effects on fresh, hardened properties and acid resistance. Setting time, ... -
Production of new electromagnetic wave shielder mortar using waste mill scales
(Elsevier, 2020)Electromagnetic (EM) wave shielder mortar can be produced by mixing cement, natural limestone, tap water with mill scale (mill scale-I and mill scale-II) which is one of the biggest disposal area problems of the iron-steel ... -
Synergetic effect of waste tire rubber and mil scale on electromagnetic wave attenuation properties of new generation mortar
(Elsevier, 2020)In this study, the behaviors of cement based building materials containing a certain amount of crumb rubbers (CR) and mill scales as additives were explored. For this purpose, five different CR content by volume of the ... -
An Artificial Neural Network Approach for the Prediction of Water-Based Drilling Fluid Rheological Behaviour
(2018)It is well known that high temperatures, which change the rheological properties of the drillingfluid and can frequently cause problems in deep wells, is a major problem during drilling. Theimportance of the estimation and ... -
Çanakkale Tuzla Jeotermal Sondaj Sahası çamur maliyetinin araştırılması
(Çukurova Üniversitesi, 2017)Son yıllarda jeotermal enerji kullanım alanları hızla artmaktadır. Bu durum jeotermal enerjiye olan talebi ve böylece jeotermal sondajlarına yapılan yatırımları artırmıştır. Sondaj faaliyetlerinde kritik noktaların başında ...