Natural gas hydrate emerges as a sustainable and alternative clean energy source. Japan (2013) and China (2017) have performed production trials on marine natural gas hydrate successfully. Sand production with associated risk is one of the main…
One of the main challenges in oil transmission lines and petroleum products is fluid impurities especially suspended solids. Suspended solid particles, most of which are caused by corrosion of pipe walls and equipment, have many adverse effects on…
A high content of asphaltene and wax in crude oil leads to difficulties in the recovery and transportation of crude oil due to the precipitation of asphaltenes and the deposition of waxes. Comblike polymers were found to be capable of inhibiting the…
In this paper, Euler models suitable for hydrate slurry flow were established based on the particle dynamics theory. The results showed that the distribution of the velocity, particle concentration and turbulent kinetic energy in the curved pipe was…
Using porous media to store and transport natural gas by the hydrate method can significantly improve gas-liquid contact and increase the hydrate formation rate. Therefore, it is particularly important to understand the characteristics of hydrate…
To investigate the morphological evolution of the whole growth and aggregation processes of hydrate crystals near the gas–liquid interface, we used a high-pressure visual reactor with high-speed camera to capture the micromorphology of hydrate…
Because of the presence of wax components in waxy crude oil, it is easy to precipitate wax crystals, precipitate wax crystals, wax crystal precipitation plug the pipeline, reducing the transmission radius, serious accidents such as pipe stoppage will…
Although the problem of wax deposition in multiphase transportation pipelines have been addressed and some related wax deposition models have been developed in recent years, the complex wax deposition paths derived from the potential variety of flow…
This study proposes the application of basalt powder (BP) as a supplementary cementitious material (SCM) in cement formulations for Carbon Capture and Storage (CCS) wells. From experimental results, we identified that the BP can be characterized as a…
The emulsification of heavy crude oil is the most economical way to transport it through offshore pipelines. In this research article, distinct oil-in-water (o/w) emulsions were developed from an Indian heavy crude oil using…
The structural and rheological properties of resin-free model petroleum mixtures (MPM) with an asphaltene content of 0 to 6 wt % and the same mixtures with added 3.85 wt % petroleum resins have been investigated. The composition of the mixtures…
In this paper, advanced oxidation process (AOP) combining ultrasound (US) and Fenton's process was proposed for the treatment of total petroleum hydrocarbons present in oil spill sludge. The effect of several parameters like pH, ultrasonic power,…
In this study, a comparative study of polymeric (Xanthan Gum, XG and polyacrylamide, PAM) clay nanofluids has been explored for increasing CO2 retention and storage efficacy in a synthesized porous media prepared using sand grains of uniform size…
Results are given for a study on the optimization of the composition of crude oil consisting of petroleum, fuel oil, and gas condensate to improve atmospheric distillation at an installation of the Gazprom Neftekhim Salavat Atmospheric and Vacuum…
The micro-encapsulated phase change materials could be used for thermal storage and temperature regulation, which solved the energy mismatch in space and time, and the utilization rate of energy has been greatly improved. Thus, recently, the…
Recently, there has been an interest in solvent extraction for extraction organic matter from oil shale. Heating of oil shale in an inert atmosphere facilitated the extraction of the organic matter by solvent extraction. In this research, shale oil…
Scope: This test method details a procedure for performing particle size distribution analysis by dry sieve testing on green petroleum coke with a topsize of no more than 75mm and calcined petroleum coke with a topsize of no more than 25mm. Size…
In this work, microencapsulated phase change material (MEPCM) with the eutectic mixture of stearic acid (SA) and coconut oil (CO) as the core and melamine formaldehyde (MF) as the shell was developed by emulsion-polymerization method to be applied in…
This research aims to propose a thermodynamic model for predicting asphaltene precipitation upon diluting a crude oil with a paraffinic solvent. To this end, a thorough mathematical formulation was carried out to derive a novel micellization model…
Novel bioactive nanoparticles derived from crude palm oil (CPO), palm olein, and palm stearin for use in foodstuff products were produced, and their physicochemical characteristics and stability were evaluated. The nanoparticles were prepared by…
The melt blending method was used to prepare EVA/asphaltene particle composite pour point depressants with different blending concentrations. Through rheological and pour point experiments, the effect of EVA/asphaltene composite pour point depressant…
To study the influence law between pressure loss of conveyor system and parameters of hydraulic transmission system for cutter-suction mining in submarine natural gas hydrate exploitation, such as diameter, velocity, volume fraction and particle…
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…
This paper experimentally investigated influential thermodynamic reservoir characteristics such as pressure, temperature, soaking time, core stimulation, number of cycles, shale particle size, and carbon dioxide phase during the cycling carbon…
Both oil droplets and gas bubbles have simultaneously been quantified in laboratory experiments that simulate deep-water subsea releases of both live oil (saturated with gas) and additional natural gas under high pressure. These data have been used…
Reliable estimation of the condensed water droplets trajectories inside Supersonic separators (3Ss) during the dehydration process is essential for proper design and safe operation. Most of previous researches ignored the actual sizes of condensed…
The effective density and mixing state of particles emitted from a natural gasdiesel dual fuel engine are investigated. Measurements were conducted at three different fuel compositions including 100% diesel fuel (0% NG), 75% diesel25% natural gas…
The main objective of this work is to evaluate the effect of the simultaneous use of a surfactant mixture and magnetic iron core-carbon shell nanoparticles on oil recovery via a microfluidic study based on the rock-on-a-chip technology. The…
Using new technologies are quite significant in the production and development of heavy oil reservoirs. In this study, the effects of microwave (MW) and ultrasonic (US) waves on the properties of Ellam heavy crude oil of the southwest oil reservoirs…
The spiral separator is an important tool for desanding in natural gas hydrate production, and the change of hydrate reservoir parameters has a great impact on spiral separator behavior. Mastering the influence law is helpful to improve the…
Reducing the sulfur content of crude oil and its derivatives has drawn the attention of researchers around the world to reduce environmental pollution. Desulfurization is a process used for the effective removal of sulfur from the heavy crude oil. In…
In this work the influence of catalysts on in situ combustion process of heavy crude oil has been studied. The heavy crude oil from Russia (Ashal'cha field) oil field was used. The research on oxidation was performed using accelerating rate…
In this paper, Euler models suitable for hydrate slurry flow were established based on the particle dynamics theory. The results showed that the distribution of the velocity, particle concentration and turbulent kinetic energy in the curved pipe was…
For rational design of drilling process parameters and guarantee of safe drilling, law of carrying cuttings in horizontal well drilling of marine natural gas hydrate should be intense research to effectively reduce the friction of drilling tools and…
In this study, the soot formation behavior of hydro-processed renewable jet and petroleum jet fuels (Jet-A1, and JP-5) was investigated using a laminar counter-flow diffusion flame. Laser-induced incandescence was utilized to measure the soot volume…
As waxy crude oil comes to the surface, it will cool down and causing the waxy fraction to gel. The gelled crude chokes the well, leading to restricted or blocked production and costly downtime for operators. One of the most common chemical solutions…
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…
Zero-dimensional carbon nanomaterials show intriguing potential in the field of unconventional oil resource development for reducing injection pressure and enhancing oil recovery. However, the complicated synthesis procedure, necessity for surfactant…
In the exploration, processing, and storage of oil, oil leakage accidents often occur. However, most organic oil pollutants are difficult to degrade. When oil pollutants permeate and invade the soil, the mineral composition and structural…
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 paper, Euler models suitable for hydrate slurry flow were established based on the particle dynamics theory. The results showed that the distribution of the velocity, particle concentration and turbulent kinetic energy in the curved pipe was…
To investigate the morphological evolution of the whole growth and aggregation processes of hydrate crystals near the gas–liquid interface, we used a high-pressure visual reactor with high-speed camera to capture the micromorphology of hydrate…
The emulsification of heavy crude oil is the most economical way to transport it through offshore pipelines. In this research article, distinct oil-in-water (o/w) emulsions were developed from an Indian heavy crude oil using…
Zero-dimensional carbon nanomaterials show intriguing potential in the field of unconventional oil resource development for reducing injection pressure and enhancing oil recovery. However, the complicated synthesis procedure, necessity for surfactant…
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…
This paper experimentally investigated influential thermodynamic reservoir characteristics such as pressure, temperature, soaking time, core stimulation, number of cycles, shale particle size, and carbon dioxide phase during the cycling carbon…
Structure control and quantitative evaluation of porous materials are essential for many industrial and consumer applications of clay minerals, and nanotubular halloysite (HNT) has been used extensively for such purposes
Microplastic particles have been recognized as global hazardous pollutants in the last few decades pointing to the importance of analyzing and monitoring microplastics, especially in soils and sediments. This study focused on a multi-step approach…
The method of fractionation of fine particles of a certain size is substantiated by theoretical and experimental data obtained by analysis of the sedimentation of a finely ground powdered material suspended in a liquid in a centrifuge. The adequacy…