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754 articles for “formatting”
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Effects of Plasticizers on Structures of Chemical Functional Groups, Morphologies, Water Vapor Permeability, and Thermal Properties of HPMC/BW Biopolymer Films
Abstract: Food preservation is one of the fields that many researchers are interested in, especially in the epidemic period like COVID-19 today. The better food or agricultural products are preserved for a long time, the more it ensures social stability for state management related to food security for people. This paper introduces one kind of biopolymer films with investigation on effect of plasticizers to its characteristics. In order to produce biopolymers, …
Published in Journal of Polymer & Composites · Vol. 9, Issue 2, 2021 · pp. 10–20 Read article
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Review on Investigation of Tailor Welded Blanks of Dissimilar Aluminum-Magnesium Alloys and Hybrid Carbon Composites
Abstract: Reduction in weight, better fuel efficiency and cost effectiveness are the salient attractive features of Aluminum-Magnesium alloys and carbon composite materials. By making use of tailor welded blanks of dis similar materials of different strengths at appropriate locations in automobile outer body, one can achieve these objectives. At the same time, fabrication of these Tailor Welded blanks of Aluminum-Magnesium alloys, next generation carbon composite materials by usual fusion welding processes …
Published in Journal of Polymer & Composites · Vol. 9, Issue 2, 2021 · pp. 66–73 Read article
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Role of Bimetallic (Ag-Cu) Nanoparticles on the Structural Properties of PVA/PVP Blend Green Nanocomposites
Abstract: This study reports the green synthesis of polymer blend nanocomposites of Polyvinyl alcohol (PVA) and Poly vinylpyrrolidone (PVP) embedded with Silver (Ag), Copper (Cu) mono metallic and Silver-Copper (Ag-Cu) bimetallic nanoparticles (NPs), generated using plant mediated solution casting method. The formation of blend, polymer-polymer interactions, interaction between polymer and nanoparticles and role of the nanoparticles on the interactions among PVA/PVP blend nanocomposites were studies by FTIR spectroscopy. The crystallinity of …
Published in Journal of Polymer & Composites · Vol. 10, Issue 1, 2022 · pp. 11–19 Read article
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Synthesis and Characterization of Polymer Blend Electrolyte Based on Bio-degradable Polymers Doped with Ammonium Iodide
Abstract: A polymer blend of Polyvinylalchohol (PVA) and Polyvinylpyrrilodine (PVP) doped with ammonium iodide (NH4I) has been prepared by solution casting method to develop a new solid polymer electrolyte. The influence of NH4I on the structural, electrical characteristics of PVA/PVP blend was investigated utilizing XRD, FTIR and impedance spectroscopy techniques. Structural properties were studied by using the XRD technique and found that the pure polymer blend is in semi crystalline form, …
Published in Journal of Polymer & Composites · Vol. 10, Issue 2, 2022 · pp. 60–71 Read article
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Preparation and Characterization of Composites Based on Polylactide and Herbs with Anti-Bacterial Properties
Abstract: Poly (lactic acid) is a polymer with increased interest in manufacturing a containers for different kinds of food. But the food stored in those containers comes with certain amount of bacteria and/ or molds. This suggest that the food can have shorter shelf life. That why is needed a container in which the food can maintain for longer period. In this paper were studied the properties of composite materials based …
Published in Journal of Polymer & Composites · Vol. 11, Issue 1, 2023 · pp. 10–19 Read article
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Fabrication of MOF5 -GO nanocomposites by tailoring graphene oxide
Abstract: The present paper focusses on the synthesis of graphene oxide and its nanocomposite with metal organic framework (MOF-5). Graphene oxide (GO) was prepared using modified hummer’s method with different concentrations of oxidizing agent to vary the presence of functional group on the surface of GO. The presence of functional group plays a crucial role in determining the interactions between GO and MOFs. To confirm the presence of different functional groups …
Published in Journal of Polymer & Composites · Vol. 12, Issue 1, 2024 · pp. 101–114 Read article
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Influence of SiO2 Nanoparticles on the Structural, Morphological, and Optical Properties of CsPbBr3 Quantum Dots
Abstract: This work mainly investigates the structural and optical property differences between CsPbBr3/SiO2 quantum dots (QDs) and CsPbBr3 QDs thin films deposited on fluorine-doped tin oxide (FTO) glass. X-ray diffraction of CsPbBr3/SiO2 QD thin film showed a polycrystalline cubic nanostructure with (200) as a dominant phase and did not show any peak of SiO2. Scanning and transmission electron microscopy images show that it is very small spherical or semi-spherical particles with …
Published in Journal of Polymer & Composites · Vol. 11, Issue 2, 2023 · pp. 62–69 Read article
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Boron Nitride Nanoplatelets and Aluminium Nitride Incorporated Organic Organic Eutectic Phase Change Materials with Enhanced Thermal Conductivity with Low-Loading Nanoadditives
Abstract: Miniaturized high performance electronic appliances generate tremendous heat during the duty cycle, has led research community to explore advanced thermal management strategies. Operating electronics at high temperature may result in malfunctioning of compact appliances. Thus, phase change materials (PCM) are applied to maintain isothermal temperature by implementing phase transition through latent heat. To improve the thermal conductivity and to deduce at suitable phase transition temperature of novel eutectic PCM, nanoplatelets …
Published in Journal of Polymer & Composites · Vol. 12, Issue 2, 2024 · pp. 1–9 Read article
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Methane Recovery From Gas Hydrate By Cool Frack Method
Abstract: Methane in Gas hydrates are the most believed energy source for the future. These are solid crystalline ice with hydrogen bonded water molecules, which traps the guest molecules such as methane, propane, H2S, etc., in its cages. It commonly found in permafrost and deep oceanic sediments and occur in oil and gas pipelines. The extraction of methane from gas hydrates without any geo-hazard and economic efficient is what still a …
Published in Journal of Petroleum Engineering & Technology · Vol. 8, Issue 3, 2018 · pp. 32–39 Read article
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Rheology and Flow Properties of Fracturing Gels in Straight and Coiled Tubing
Abstract: This study involves experimental investigation of rheological and hydraulic characteristics of aqueous based polymeric and surfactant fluids in straight and coiled tubing. The fluids matrix includes guar, HPG, PHPA, welan, xanthan, and surfactant. Bohlin rheometer was used to evaluate rheological and viscoelastic characteristics. For hydraulic characteristics, small- and large-scale flow loops were used. It is observed that all fluids exhibit comparable non-Newtonian behavior and improved viscous and elastic properties. Among …
Published in Journal of Petroleum Engineering & Technology · Vol. 7, Issue 1, 2017 · pp. 27–43 Read article
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Productivity of Hydraulically Fractured Calcite Rich Shale Reservoirs Enhanced by Acid
Abstract: The current low oil prices have highlighted the need for enhancement to current production from shale formations. Prolonging the production life and increasing productivity of the fracture network in the shale plays can be a way to improve the economics. Many shale wells, drilled and completed based on current completion strategies, show sharp decline after initial flash production. One of the reasons behind this can be attributed to closure of …
Published in Journal of Petroleum Engineering & Technology · Vol. 6, Issue 1, 2016 · pp. 54–68 Read article
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Analysis and Application of New Acid Fracturing Technology for Carbonate Reservoir in Offshore Deep Well with High Temperature
Abstract: Acid fracturing is the key production and stimulation technology for the oil-gas reservoirs. This paper developed Loss Control Acid and Divert Acid System used in the Bohai Bay Nan-pu oilfield Ordovician carbonate reservoir, which has the problems of deep reservoir burial depth, high temperature, well developed fracture and cavern and high anisotropy. This formation used to be acid fractured with gelled acid and it responded poorly. It also has a …
Published in Journal of Petroleum Engineering & Technology · Vol. 6, Issue 2, 2016 · pp. 50–62 Read article
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Performance of Equation-of-State for Hydrocarbon Dew Point Control in Gas Flow-line in a Nigerian Field
Abstract: Associated gas in a flow-line in a Nigerian field was suspected to be accountable for unaccounted-for gas in the flow-station. Gas molecular compositions of Low Pressure suction gas and Injection Discharge gas for operating conditions of pressure and temperature from the field were analysed by the use of Soave-Redlich Kwong and Peng-Robinson Equations of State with PVTp thermodynamic software. The phase envelope predicted the Hydrocarbon dew point(s) observable from the …
Published in Journal of Petroleum Engineering & Technology · Vol. 9, Issue 1, 2019 · pp. 7–13 Read article
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The Effect of Methanol on 512 Methane Hydrate Cage Cluster ¬– A Molecular Dynamics Study
Abstract: Molecular dynamic simulation study of methane hydrate cluster having 27 methane encapsulated pentagonal dodecahedron (512) hydrate cage with and without presence of eight methanol molecules in supercell has been performed to evalute the effect of methanol on the stability and formation of methane hydrate cluster. Methanol is found to act as an effective methane hydrate inhibitor below 30 atm pressure for 240 K and below 90 atm pressure for 250 …
Published in Journal of Petroleum Engineering & Technology · Vol. 4, Issue 2, 2014 · pp. 16–24 Read article
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Underbalanced Drilling and Its Advancements: An Overview
Abstract: Ever increasing global energy demand associated with depletion of conventional hydrocarbon resources drives exploration and production (E&P) industry to invent advanced new technologies in frontier areas of drilling, production and reservoir engineering to enhance hydrocarbon production from unconventional resources or depleted reservoirs. Demand to produce from a low pressure marginal reservoir and the discoveries of naturally fractured reservoirs lead to the development of new drilling techniques like underbalanced drilling along …
Published in Journal of Petroleum Engineering & Technology · Vol. 4, Issue 2, 2014 · pp. 37–51 Read article
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Mathematical Modeling of Managed Pressure Drilling
Abstract: Managed pressure drilling (MPD) is an adaptive pressure drilling technique, which is preferably used in matured oil fields. This brings in the various issues of matured fields which can be easily managed by the MPD. Paper presents the mind map which can be used for further development of this technique. Further, it also presents the parametric mathematical modeling of MPD which can be used for adaptive control and demonstration. Four …
Published in Journal of Petroleum Engineering & Technology · Vol. 4, Issue 3, 2014 · pp. 9–17 Read article
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A Cyclic Injection of High Temperature N2-foam in Fuyv Reservoir
Abstract: Steam stimulation has already been proved as an important thermal recovery technology. In Daqing, the development and management of high-heterogeneous heavy oil reservoirs plays an important role in stabilizing the oil output. To combine the good features of steam injection and cyclic injection, a cyclic steam flooding has been conducted in the Fuyv reservoir, Daqing. This paper is to present a detailed process of the cyclic-steam injection. The target Fuyv …
Published in Journal of Petroleum Engineering & Technology · Vol. 3, Issue 2, 2013 · pp. 1–12 Read article
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An Overview of Recent Advances in Viscoelastic Surfactant based Fracturing Fluid Technology
Abstract: High percentages of oil and gas wells are hydraulically fractured worldwide in order to make economically producible at an efficient production rate. Cross-linked polymer fluids are in use for decades to stimulate oil and gas wells. Even though these fluids exhibit exceptional viscosity, thermal stability, proppant transportability and fluid leak-off control; extensive formation damage by polymer residues demanded a clean fracturing fluid technology. New generation of fracturing fluids based upon …
Published in Journal of Petroleum Engineering & Technology · Vol. 2, Issue 1-3, 2012 · pp. 11–25 Read article
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Challenges & Issues in Natural Gas Distribution Industry
Abstract: Natural Gas Distribution or City Gas Distribution (CGD) in India is at a nascent stage. Before the establishment of Petroleum and Natural Gas Regulatory Board (PNGRB), the sector was unstructured and direction-less at times. With the formation of PNGRB, the safety practices of CGD business were looked into and guidelines were framed. However, the initial legal disputes within PNGRB retarded the growth. The first three bidding rounds in the sector …
Published in Journal of Petroleum Engineering & Technology · Vol. 7, Issue 2, 2017 · pp. 1–8 Read article
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Study the Rheological and Filtration Properties of Oil-in-Water Emulsion for its Application in Oil and Gas Well Drilling
Abstract: This research article investigates the rheological and filtration properties of oil-in-water emulsion required for oil and gas well drilling. The rheological and filtration properties of the emulsions were enhanced by varying concentrations of xanthan gum and CaCO3. The concentration of diesel oil was varied in the range of 5–30% (v/v). The concentration of xanthan gum was varied in the range of 0.25–1% (w/v) and CaCO3 in the range of 1–4% …
Published in Journal of Petroleum Engineering & Technology · Vol. 3, Issue 3, 2013 · pp. 25–30 Read article