Methane is the primary component of liquefied natural gas (LNG) and a potent greenhouse gas (GHG). The undesired methane emissions across the natural gas supply chain has been proven to worsen the lifecycle GHG emissions from the transportation…
1 Scope This document defines the minimum requirements for project specific product and process qualification of field applied wet thermal insulation system applied at interfaces (e.g. field joints) and pre-fabricated insulation in the petroleum and…
The transportation of metal particles in oil has numerous applications in industrial areas. Under electric field, the electroosmotic flow of the oil-water interface can be generated
This article assumes that the crude oil in the oil tank of the sunken ship is completely solidified, has high viscosity, and loses fluidity before heating. Based on ANSYS software, a three-dimensional numerical model of the sunken oil tank was…
High-pour point and high-viscosity crude oil can be gathered and transported below the pour point during a high water-cut period. However, oil under these conditions can easily aggregate, thereby blocking the pipeline. In this study, a comprehensive…
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…
Scope: For buried pipelines, this document specifies the criteria and requirements for: coating assessment, removal of degraded coatings, surface preparation on site or in situ application of external coatings used for repairs and rehabilitation.…
1 Scope This document specifies the criteria and requirements for the in-field application of coatings, coating repair and coating rehabilitation on buried pipelines. This document specifies: coating assessment (new and existing)
Because of the Covid-19 pandemic, worldwide consumption of petroleum fuels is reduced due to complete or partial lockdown in most of the countries. The abridged expenditure of liquid fuels imposes pressure on petroleum refinery industries for their…
Current methods of estimating boil-off gas (BOG) rates for large-scale liquefied natural gas (LNG) storage tanks are largely empirical and based on limited available experimental data. More accurate models would be extremely valuable for estimating…
Solidified natural gas technology shows significant potential for storing safely multi-fold volumes of natural gas in clathrate hydrates, but the main concern is the stochastic and slow process of hydrate nucleation making it unstable and…
Oil-water stratification is an inevitable phenomenon in the petroleum industry. The present study describes stratified oil-water draining from a square tank through a 9 mm diameter drain pipe. The purpose of this study is to understand the flow…
In this paper, a numerical model considering phase change and external heat leakage is established to study the thermodynamic and hydrodynamic of a type C LNG tank under sinusoidal sloshing excitation. The volume of fluid (VOF) method, coupled with…
This study investigates the ability of hydrogen (H2) to wet clay surfaces in the presence of brine, with implications for underground hydrogen storage in clay-containing reservoirs. Rather than measuring contact angles directly with hydrogen gas, a…
The hydrate morphology pattern plays a critical role in the reactor design for hydrate-based gas storage/separation technology. This work investigated the morphology of mixed methaneTHF hydrate formation using salt water (3.5 wt % NaCl) instead of…
To determine the reasonable gas injection and production quantity and to minimize the influence of water invasion on the operation of underground gas storage is one of the key factors to decide whether the water drive gas storage can fully exert its…
Niobium pentoxide (Nb2O5) material is a promising anode for lithium-ion batteries (LIBs) due to the outstanding cycle performance and rate capability. However, the relatively low capacity severely limits the comprehensive performance. Generally,…
Spilled oil treated with Corexit dispersant can cause unintended impacts on marine environment systems including altering marine organic matter dynamics
A basic understanding of the activities of indigenous surfactants of crude oil at the water/oil interface as a function of aqueous phase pH can give us a better insight into the alkaline enhanced oil recovery processes. The present study aimed to…
The Vanishing Interfacial Tension (VIT) technique is used to determine the Minimum Miscibility Pressure (MMP) of 5 dead crude oil samples using pure Nitrogen as injected gas. This technique is used to measure the Interfacial Tension for each oil…
This study provides new data regarding the burning dynamics of a thin oil layer on a water surface with carefully controlled turbulence intensity. The turbulent water surface is generated using a unique experimental platform comprising an…
The study of characteristics of natural gas hydrate slurry formation and flow with wax crystals and anti-agglomerates, is of great significance for the implementation of hydrate slurry technology in deep water waxy oil and gas fields to solve…
Using nitrogen as the blanket for the construction of a gas storage salt cavern by the solution mining under gas (SMUG) method has many advantages, such as improved safety, enhanced environmental protection and better economy. A critical issue for…
By using the intrinsic polymorphism nature of Nb2O5 material, we employ three typical Nb2O5 phases (orthorhombic (T), tetragonal (M) and monoclinic (H) phases) in a single material, and optimize the phase composition to form nanodomains, which are…
Spontaneous imbibition is the main factor that reduces the fracturing efficiency and damages gas production in shale gas wells, which is regulated by the gaswater interaction. Water (fracturing fluid) is imbibed spontaneously due to the…
Because of the Covid-19 pandemic, worldwide consumption of petroleum fuels is reduced due to complete or partial lockdown in most of the countries. The abridged expenditure of liquid fuels imposes pressure on petroleum refinery industries for their…
Equilibrium interfacial tensions (EIFTs) are important in determining the oil recovery efficiency in surfactant-based enhanced oil recovery (EOR) processes, in which ultralow IFT values (less than 102 mN m1) are often needed. The dynamic IFTs (DIFTs)…
Produced water from the oil and gas industry often contains stable crude oil-in-water emulsions that are typically difficult to treat with conventional separation methods. Amine-functionalized nanoparticles have demonstrated effective destabilization…
The use of asphaltene stabilizers, also referred to as crude stabilizers, is a valuable chemical tool available to the refiner to successfully process unstable or incompatible crude oil blends in crude oil desalters. The increasing interest in crude…
The injection of solid stabilized water-in-crude oil emulsion to displace heavy crude oil is a new EOR method. Although high emulsion stability, which is essential for achieving the maximum process efficiency, can be obtained using nanoparticles,…
Inventory verification is one of vital tasks in underground gas storage (UGS) management process. For one reason, it is possible to know exactly how much natural gas is actually in the gas storage and ensure that it can be produced and supplied to…
Hydrocarbon gas flooding/Huff-n-Puff (HNP) can improve the oil recovery in the unconventional reservoirs. Here, the mechanisms accounting for fluid flow in the low-permeability and ultra-low permeability reservoirs were experimentally and…
As a new unconventional clean energy, natural gas hydrate has attracted attention in recent years. In marine natural gas hydrate reservoir drilling, hydrate cuttings will return upward in annulus. In this process, hydrate cuttings will decompose…
The thermal dissociation process of natural gas hydrate is a Stefan phase change problem with moving boundaries. Based on the conservation integral heat conduction model of the single-phase continuous hydrate control body, the paper establishes the…
Subsea natural gas reservoirs are usually saturated with water vapor that causes corrosion in pipelines and forms hydrates blocking pipes and installations. In this work, the viability of the subsea natural gas dehydration in a non-porous membrane…
The thermal dissociation process that occurs in a natural gas hydrate is a Stefan phase-change problem with moving boundaries. Based on the integral form of a heat conduction model, for a continuous single-phase hydrate control volume, the energy…
SARA fractionation separates crude oil into fractions of saturates (S), aromatics (A), resins (R), and asphaltenes (A) based on the differences in their polarizability and polarity. Defined as a solubility class, asphaltenes are normally considered…
Scattering techniques are invaluable for the study of self-association and structure of soft systems. The properties and phase behavior of petroleum asphaltenes have long been investigated using small-angle X-ray and neutron scattering. However,…
1 Scope This document defines the minimum requirements for project specific product and process qualification of field applied wet thermal insulation system applied at interfaces (e.g. field joints) and pre-fabricated insulation in the petroleum and…
Nanoparticles are of interest in recent oil production process due to their potential to wettability alteration, but not interfacially active at the crude oil-water interface. Stability loss in brine environment, where nanoparticles tend to…
High-pour point and high-viscosity crude oil can be gathered and transported below the pour point during a high water-cut period. However, oil under these conditions can easily aggregate, thereby blocking the pipeline. In this study, a comprehensive…
1 Scope This document specifies the criteria and requirements for the in-field application of coatings, coating repair and coating rehabilitation on buried pipelines. This document specifies: coating assessment (new and existing)
In this paper, a new independent type B liquefied natural gas (LNG) ship mock up tank with the net capacity of 40 m3 and an insulation thickness of 400 mm was taken as the research target. After reasonable simplification, two-phase flow and phase…
Based on the oil-water displacement principle, Wang and Luo (2016) developed a new type of offshore oil storage system. This storage system can be applied to a conventional Spar platform or any other platforms. However, there is the potential for the…
Over time, crude oil in ship tankers will destabilize where heavier component of crude oil such as emulsified crude oil with sands, are partitioned at the bottom of storage tank. The presence of these components at the bottom of the storage tank such…
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…
In this paper, a numerical model considering phase change and external heat leakage is established to study the thermodynamic and hydrodynamic of a type C LNG tank under sinusoidal sloshing excitation. The volume of fluid (VOF) method, coupled with…
Using nitrogen as the blanket for the construction of a gas storage salt cavern by the solution mining under gas (SMUG) method has many advantages, such as improved safety, enhanced environmental protection and better economy. A critical issue for…
High-pour point and high-viscosity crude oil can be gathered and transported below the pour point during a high water-cut period. However, oil under these conditions can easily aggregate, thereby blocking the pipeline. In this study, a comprehensive…
Based on the oil-water displacement principle, Wang and Luo (2016) developed a new type of offshore oil storage system. This storage system can be applied to a conventional Spar platform or any other platforms. However, there is the potential for the…