The shear velocity is one of the most critical parameters in determining the mechanical rock elastic properties, which serve as inputs for different studies such as wellbore stability, mechanical earth modeling, hydraulic fracturing, and reservoir…
The shear velocity is one of the most critical parameters in determining the mechanical rock elastic properties, which serve as inputs for different studies such as wellbore stability, mechanical earth modeling, hydraulic fracturing, and reservoir…
The shear velocity is one of the most critical parameters in determining the mechanical rock elastic properties, which serve as inputs for different studies such as wellbore stability, mechanical earth modeling, hydraulic fracturing, and reservoir…
The shear velocity is one of the most critical parameters in determining the mechanical rock elastic properties, which serve as inputs for different studies such as wellbore stability, mechanical earth modeling, hydraulic fracturing, and reservoir…
The shear velocity is one of the most critical parameters in determining the mechanical rock elastic properties, which serve as inputs for different studies such as wellbore stability, mechanical earth modeling, hydraulic fracturing, and reservoir…
The present work focuses on the improvement of flow properties during the transportation of heavy oil via 0.0254-, 0.0381-, and 0.0508-m-diameter pipelines. The effect of temperature, water cut, natural extract Madhuca Longifolia (ML), and potato…
Transportation of heavy crude oil through pipelines poses a great challenge in oil and gas industry. Crude oil chokes the pipelines when the temperature drops below the pour-point temperature. In the present study, a bio-based additive, i.e., Cashew…
The transport of extra-heavy crude oil is a severe problem in the oil industry due to its viscosity, asphaltenes content, and tendency to precipitate. These crude oil's characteristics cause clogging of the pipes and increase production costs. One of…
This research examines the use of 75nm Zinc Oxide nanoparticles (Nano ZnO) and Polyethylene Butene (PEB) in reducing the viscosity of Nigerian waxy crude oil. The rheology of the crude oil was studied by measuring the viscosity and shear stress of…
In the work, molecular dynamics simulation is employed to analyze the micro mechanism of the yield thixotropy of crude oil. The effects of different shear rates on the yield thixotropic characteristics of the crude oil systems are investigated based…
Heavy crude oil (HCO) production, processing, and transportation forms several practical challenges to the oil and gas industry, due to its higher viscosity. Understanding the shear rheology of this HCO is highly important to tackle production and…
Wax deposition is a serious issue during the pipeline transportation of crude oil. This research work has investigated the effects of some important parameters on the flow characteristic of crude oil during the pipeline transportation in offshore and…
Heavy crude oil (HCO) is still possessing concrete challenges due to its ineffective flowing characteristics. Asphaltenes and resins are the complex fractions of heavy oil, possessing relatively high polar constituents of heteroatoms, which tend to…
Emulsification behaviors of crude oil-water system has significant effects on flow pattern and pressure drop of crude oil-water two phase flow. The degree of emulsification, which is greatly affected by shearing intensity, water volume fraction and…
The highly viscous property of heavy oil often causes problems in its transportation in pipelines. Mixing heavy oil with light oil as well as ultrasound treatment are viable solutions to this problem. In this study, extra heavy crude oil samples were…
To overcome the shear-resisting challenge encountered in crude oil transportation, this paper analyzed the chemical composition of the crude oil transported through the Xinjiang-exporting pipeline and the structure of wax contained in the oil. Then,…
Crude oil extraction, transportation and even its storage require a lot of struggle due to its high density, high viscosity and high pour point. To overcome these problems, polymers have attracted much attention as efficient chemical additive.…
This study investigated the apparent viscosity of waxy crude oil treated with pour point depressant (PPD). It considered the shear history and thermal history as the main factors to affect the apparent viscosity of the crude oil when transported by a…
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…
Improvement of flow properties of crude oil through pipelines, the effect of temperature, diameter, water cut, and novel extracted surfactant on pressure drop, shear viscosity was studied along with energy analysis. The impact of diameter,…
This study presents an experimental demonstration of seismic monitoring of CO2 geologic storage based on the observation of pore fluid substitution effects on elastic wave propagation along a core sample of Berea sandstone. Two-phase core flooding of…
The crude oil is in most cases accompanied with water and natural gas. For this reason, it is important to understand the rheology of the oil emulsion. There are already many works relating to rheology of the oil/water emulsion. However, studies on…
This work analyzed of crude oil based nanofluid of Al 2 O 3, Cu, SWCNTs (single walled carbon nanotubes) the mass transfer in two dimensional MHD of incompressible steady, viscous and electrically conducting in the presence of magnetic field over a…
Hydrodynamic cavitation process can produce extreme physical conditions such as local high temperature, high pressure, high jet flow and strong shear stress. Therefore, applying the hydrodynamic cavitation device to upgrade Saudi heavy crude oil is…
As an effective anionic surfactant for chemical flooding, petroleum sulfonate (PS) is often used in conjunction with alkalis to reduce the adsorption loss of PS onto rock and clay surfaces. However, alkali injection can lead to scaling, aggravate the…
The yield behavior of water-in-oil (W/O) waxy crude oil emulsion cementitious system was studied experimentally under two loading modes of constant and linear increase shear stress. Based on the yield strain and shear rate of the crude oil emulsion…
Crude oil refining processes generate a large amount of petroleum sludge (PS) in petroleum industries. Globally, PS has gained widespread attention to ensure its effective waste management. This study investigated the suitability of PS to provide an…
In this paper, C9 petroleum resin was used as the raw material, and the microstructure of C9/SBS modified asphalt at a different time under different C9 petroleum resin content was studied by fluorescence microscope. The mechanical properties were…
A natural gas transportation pipeline with a gaswater two-phase flow containing CO2 is prone to severe flow-assisted corrosion (FAC). The accumulation location of the water phase in the pipeline and the wall shear stress distribution are important…
Nanoemulsions are interesting nano-fluids with a number of potential industrial applications. However, the effective utilization of these colloidal systems will not be achieved without studying their characteristics (e.g., droplet size, interfacial…
Heavy crude oil (HCO) production, processing, and transportation forms several practical challenges to the oil and gas industry, due to its higher viscosity. Understanding the shear rheology of this HCO is highly important to tackle production and…
Brazilian presalt carbonate reservoirs are highly heterogeneous. This feature is mostly justified by the nature of the original depositional system and subsequently diagenetic processes. Consequently, reserve estimates and production forecasting are…
Heavy crude oil (HCO) is still possessing concrete challenges due to its ineffective flowing characteristics. Asphaltenes and resins are the complex fractions of heavy oil, possessing relatively high polar constituents of heteroatoms, which tend to…
Emulsification behaviors of crude oil-water system has significant effects on flow pattern and pressure drop of crude oil-water two phase flow. The degree of emulsification, which is greatly affected by shearing intensity, water volume fraction and…
The yield behavior of water-in-oil (W/O) waxy crude oil emulsion cementitious system was studied experimentally under two loading modes of constant and linear increase shear stress. Based on the yield strain and shear rate of the crude oil emulsion…
There are many people in urban construction areas, and natural gas leakage can potentially cause serious accident consequences. Predicting the consequences of gas dispersion is important to react rapidly and adequately in the event of an incident.…
The effect of hydrogen (H 2) enrichment on the flame-holding characteristics of two natural gas jet flames in crossflow is investigated here, experimentally. The flame and flowfield measurements are analyzed using simultaneously acquired high-speed…
This research examines the use of 75nm Zinc Oxide nanoparticles (Nano ZnO) and Polyethylene Butene (PEB) in reducing the viscosity of Nigerian waxy crude oil. The rheology of the crude oil was studied by measuring the viscosity and shear stress of…
Water-in-crude oil emulsions are formed as a result of high shear stresses at the flow restrictions such as choke valves and the wellhead during crude oil transport with produced water. Consequently, the produced water disperses in the crude oil…
Nanoemulsions are interesting nano-fluids with a number of potential industrial applications. However, the effective utilization of these colloidal systems will not be achieved without studying their characteristics (e.g., droplet size, interfacial…
In the work, molecular dynamics simulation is employed to analyze the micro mechanism of the yield thixotropy of crude oil. The effects of different shear rates on the yield thixotropic characteristics of the crude oil systems are investigated based…
There are many people in urban construction areas, and natural gas leakage can potentially cause serious accident consequences. Predicting the consequences of gas dispersion is important to react rapidly and adequately in the event of an incident.…
Nanoemulsions are interesting nano-fluids with a number of potential industrial applications. However, the effective utilization of these colloidal systems will not be achieved without studying their characteristics (e.g., droplet size, interfacial…
Improvement of flow properties of crude oil through pipelines, the effect of temperature, diameter, water cut, and novel extracted surfactant on pressure drop, shear viscosity was studied along with energy analysis. The impact of diameter,…
Nanoemulsions are interesting nano-fluids with a number of potential industrial applications. However, the effective utilization of these colloidal systems will not be achieved without studying their characteristics (e.g., droplet size, interfacial…
Heavy crude oil (HCO) production, processing, and transportation forms several practical challenges to the oil and gas industry, due to its higher viscosity. Understanding the shear rheology of this HCO is highly important to tackle production and…
The flow pattern, pressure drop gradient and apparent viscosity of extra heavy crude oil solution CO2 (viscosity = 10,821 mPas at 50 C) were studied in the high-temperature and high-pressure experimental loop driven without pump shear. Based on the…
Heavy crude oil (HCO) is still possessing concrete challenges due to its ineffective flowing characteristics. Asphaltenes and resins are the complex fractions of heavy oil, possessing relatively high polar constituents of heteroatoms, which tend to…
After the investigations of experiments and Derjaguin-Landau-Verwey-Overbeek (DLVO) theory, the adhesion energy model was proposed to solve the discrimination of the minimum oil-gathering temperature of transportation (adhesion temperature, AT). The…
Water-in-crude oil emulsions are formed as a result of high shear stresses at the flow restrictions such as choke valves and the wellhead during crude oil transport with produced water. Consequently, the produced water disperses in the crude oil…