The complex phase behaviors and structural coexistence of natural gas hydrates (NGHs) that contain large-molecule guest substances (LMGSs) were examined for their significance in the exploration and exploitation of NGHs as well as natural gas storage…
Hydrate-based technology could be a potential option for efficient storage and transportation of lean natural gas or biogas, which contains a significant portion of carbon dioxide. In this work, hydrate formation of a ternary methane-carbon…
Wax appearance temperature (WAT) is an important parameter of petroleum fluids. Obtaining accurate wax appearance temperature is a prerequisite for ensuring the safe transportation of waxy crude oil pipelines. New measurement methods were proposed in…
The deposition of paraffin on the pipeline surface during crude oil transportation is a significant issue for oil industries. In this regard, the demand for adequate methods of wax deposition has gained considerable attention. In the current work,…
In this work, Fe2O3, ZnO, and MgO nanoparticles were synthesized via a chemical precipitation method to investigate their effects on wax formation, morphological characteristics, and rheological behavior in a crude oil sample. For this purpose,…
The hydrate-based solidified natural gas (SNG) technology is a promising approach for natural gas storage and transportation. One challenge of this technology is to enhance the hydrate formation kinetics and achieve mild storage conditions. This work…
The purpose of the work is to conduct a comparative analysis of the stability of two types of polymer coatings to the effects of formation water and hydrochloric acid based on the analysis of mechanical properties, thermal stability and surface…
Because the influence of shear on the rheology of waxy crude oil must be considered according to the composition and structure of the waxy crude oil transported via pipeline when a new pipeline is constructed, the risks associated with changes in the…
Aided by the phase change material (PCM) with high thermal storage density, latent heat thermal energy storage (LHTES) technology may provide a solution to the energy supply-demand dilemma, e.g. LHTES in solar energy utilization and waste heat…
Polyethylene glycols as phase change materials (PCMs) have good latent heat storage (LHS) characteristics, but the low thermal conductivity property significantly hinders their usage potential in thermal energy storage (TES) applications. Within this…
A comprehensive study was conducted to develop and utilize a novel shape-stabilized phase change material utilizing two abundantly available and low-cost natural materials, namely scoria and expanded perlite and an industrial byproduct, heavy oil…
In situ combustion (ISC) has been regarded as an efficient technique for the exploitation of heavy oil reserves. In this work, the thermal behavior of one heavy crude oil and the fractions of its saturates, aromatics, resins, and asphaltenes (SARA)…
The formation and decomposition of hydro-peroxides are the key stages of combustion. These stages strongly depend on the several factors accelerating or slowing this process. The aim of this work is to estimate experimentally which oil components act…
Growth in the world economy requires an increase in global energy demand. And oil remained the worlds leading fuel, accounting for a third of global energy consumption (BPs Energy Outlook, 2017 edition). However, the amount of conventional light oils…
Ice crystallization in confined spherical geometries is investigated experimentally at ambient pressure conditions. Water-in-crude (w/o) oil emulsions are formed by homogenization of an acidic North Sea crude oil with water or brine, at aqueous phase…
In-situ combustion is an effective enhanced oil recovery (EOR) method for heavy oils. Whether an in-situ combustion process can be applied successfully or not depends on how the combustion process of crude oil behaves in reservoir after air…
In the present study, raw silica fume (RSF) was evaluated as carrier matrix to create PEG-included form-stable latent heat storage materials (FS-LHSMs), and carbon nanofiber (CNF), carbon nanotube (CNT) and graphene nanoplatelet (GNP) were used for…
In situ combustion (ISC) plays a significant role in the exploitation of heavy crude oil. In this study, the thermal behaviors and kinetics of combustion of heavy crude oil and its saturates-aromatics-reins-asphaltenes (SARA) fractions were…
Polymethyl methacrylate (PMMA, organic glass) is widely used as a substitute for glass, known as organic glass. During the processing and after use, there are amount of castoff. Based on the similar framework, PMMA could be useful the feed stock to…
Heat capacities of pure methane (1), propane (2) and n-heptane (3), and binary mixtures of (methane or propane + n-heptane) at n-heptane mole fractions of (0.070 to 0.750), were measured at temperatures (313 to 42) K and pressures (6.00 to 31.10) MPa…
Because the thermal release correlates directly with the success of in-situ combustion (ISC) technology, this research performs a series of investigations concerning thermal behavior and kinetics of heavy crude oil during combustion using high…
The present study reports, high-performance polymer absorbents for crude oil and organic solvents based on 3D cross-linked polystyrene-polymethyl methacrylate/divinyl benzene (PS-PMMA/DVB). The preparation of the 3D cross-linked polymer absorbents…
To investigate the thermal effect caused by low temperature oxidation (LTO) of one heavy crude oil in porous media, a combustion tube (CT) system coupled with a self-designed experimental scheme was adopted. Also, the in-situ combustion (ISC)…
In situ combustion (ISC) method is considered as a relatively inexpensive and effective method for enhanced oil recovery (EOR). It can achieve a very high oil recovery factor due to a significant increase of pressure and temperature during the…
Waxy crude oil emulsions exhibit gelation behavior, with nucleation observed within a certain temperature range. A kinetic model was developed and validated based on the thermal parameters obtained from differential scanning calorimetry cooling…
Mixed matrix membranes (MMMs) have received worldwide attention for natural gas purification due to their superior performance in terms of permeability and selectivity. The zeolitic imidazole framework-8 (ZIF-8) blended polysulfone (PSf) membranes…
Petroleum residues with varying cutting depth and corresponding vacuum distillates have been prepared from laboratory deep-vacuum fractionation using unconventional heavy oil (UHO) originated from Venezuela first. They are then sequentially…
In this work, on the example of rock samples from Permian deposits of the heavy oil field from the depth interval 117.5–188.6 m, a comprehensive study of the composition of oil-saturated rocks, as well as thermogravimetric parameters and kinetics of…
In this work, on the example of rock samples from Permian deposits of the heavy oil field from the depth interval 117.5–188.6 m, a comprehensive study of the composition of oil-saturated rocks, as well as thermogravimetric parameters and kinetics of…
Waxy crude oil emulsions exhibit gelation behavior, with nucleation observed within a certain temperature range. A kinetic model was developed and validated based on the thermal parameters obtained from differential scanning calorimetry cooling…
Spontaneous combustion risk of sulfurized rust is the main cause of fire and explosion accidents during crude oil storage and transportation. In order to analyze the effect of crude oil on the thermal behavior of sulfurized rust, thermos-gravimetric…
In this work, Fe2O3, ZnO, and MgO nanoparticles were synthesized via a chemical precipitation method to investigate their effects on wax formation, morphological characteristics, and rheological behavior in a crude oil sample. For this purpose,…
Spontaneous combustion risk of sulfurized rust is the main cause of fire and explosion accidents during crude oil storage and transportation. In order to analyze the effect of crude oil on the thermal behavior of sulfurized rust, thermos-gravimetric…