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Provenance and diagenesis from two stratigraphic sections of the lower cretaceous Caballos Formation in the upper Magdalena Valley: geological and reservoir quality implications

Abstract: The Aptian-Albian Caballos Formation is a proven reservoir in the oil producing basins of the Upper Magdalena Valley and Putumayo (Colombia), characterized by wide variation in its petrophysical properties. Integrated provenance, diagenetic and basic petrophy

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Fluid inclusions and rare earth elements (REE) analysis in calcite veins: tectonic - diagenesis interaction in the Rosablanca Formation, Mesa de Los Santos sector, Eastern Cordillera, Colombia

Abstract: Studies conducted by means of petrography, cathodoluminescence, SEM, fluid inclusion and REE geochemistry in core samples from the Rosablanca Formation in the Mesa de Los Santos sector, identified two types of material: the host rock classified as Packstones

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Finding a relationship between the composition and the emulsifying character of asphaltenes through FTICR-MS

Abstract: In this work, n-heptane insoluble fractions (asphaltenes) from six crude oils were analyzed by means of Fourier-transform ion cyclotron resonance mass spectrometry (FTICR MS) using both positive Atmospheric Pressure Photo Ionization (+) APPI and negative Elec

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Modelling approach for multi-criteria decision-making selection process for artificial lift systems in crude oil production.

Abstract: Artificial Lift system selection is a key factor in enhancing energy efficiency, increasing profit and expanding asset life in any oil-producing well. Theoretically, this selection has to consider an extensive number of variables, making hard to select the op

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Estimation of caving volumetric-flow using the ultrasonic Doppler Method

Abstract: Estimating the volumetric flow of cuttings and cavings that are extracted and transported by the drilling mud into the flow line while drilling a well is of major interest to for drillers so that they can understand the drilling conditions and maintain the we

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Prediction of drop size of natural gas condensates using molecular simulation and young growth model

Abstract: This paper describes the development and implementation of a molecular simulation model to predict the nucleation process during the condensation of heavy components of the gas natural mixtures of linear alkane (C1 - C6 and C9) at transport conditions (10-40

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CFD modeling and evaluation of a bi-stable micro-diverter valve

Abstract: Micro-diverter valves are innovative and efficient devices used to generate microbubbles that can significantly enhance process efficiency in industry. Micro-diverter valves have been experimentally tested and modeled using CFD in previous works. However, a d

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New boron-nitrogen containing modified multifunctional alkylphenolate additives to motor oils

Abstract: By carrying out condensation reactions for alkylphenols and methylene-bis-alkylphenols with amines, alkanolamines and formaldehyde, working with boric acid and the neutralization of the obtained product with calcium hydroxide, new boron-nitrogen-containing al

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Nanobiosensing of phenol and its derivatives in a Kraft synthetic black liquor
Julia Constanza Reyes-Cuellar

Abstract: Phenol is an important raw material in the manufacturing industry, and it is found in industrial streams, both as a by-product and in wastewater flows. Due to their toxicity, the presence of phenol and its derivatives in water resources influences the quality

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Techno-environmental assessment of a micro-cogeneration system based on natural gas for residential application

Abstract: The study carried out here aims to determine the advantage of using in-situ electricity generation facilities versus conventional generators, being evaluated from the environmental point of view. For this, an environmental analysis on the production of CO2 ha

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Dehydration of bioethanol with both pure ionic liquids and an ionic liquid anchored to mesoporous silica: a comparative study

Abstract: Bioethanol is produced by the fermentation of different raw materials; anhydrous ethanol is used as biofuel. This article reports the study of the dehydration of bioethanol by breaking the azeotrope, using ionic liquids as entrainers. Three ionic liquids (LIs

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Process optimization for biodiesel production from neutralized waste cooking oil and the effect of this biodiesel on engine performance

Abstract: In this study, the methyl ester production process from neutralized waste cooking oils is optimized by using alkali-catalyzed (KOH) single-phase reaction. The optimization process is performed depending on the parameters, such as catalyst concentration, metha

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