With the development of submarine oil and gas resources, people pay more and more attention to the safety of pipeline transportation. Once an oil and gas leak occurs in the submarine transportation pipeline, it will not only cause direct economic…
With the development of submarine oil and gas resources, people pay more and more attention to the safety of pipeline transportation. Once an oil and gas leak occurs in the submarine transportation pipeline, it will not only cause direct economic…
Cenovus Energy has deployed a rigorous multiphase flow assurance online solution to detect leaks and monitor hydrate formation conditions at the White Rose Field and satellite extensions 350 km east of St. John's, Newfoundland and Labrador, Canada.…
Cenovus Energy has deployed a rigorous multiphase flow assurance online solution to detect leaks and monitor hydrate formation conditions at the White Rose Field and satellite extensions 350 km east of St. John's, Newfoundland and Labrador, Canada.…
With the development of submarine oil and gas resources, people pay more and more attention to the safety of pipeline transportation. Once an oil and gas leak occurs in the submarine transportation pipeline, it will not only cause direct economic…
Cenovus Energy has deployed a rigorous multiphase flow assurance online solution to detect leaks and monitor hydrate formation conditions at the White Rose Field and satellite extensions 350 km east of St. John's, Newfoundland and Labrador, Canada.…
Gas hydrates represent one of the main flow assurance challenges in the oil and gas industry as they can lead to plugging of pipelines and process equipment. In this paper we present a literature study performed to evaluate the current state of the…
Currently there are a number of problems in the Republic of Sakha (Yakutia) connected with energy supply to remote residential areas and industrial facilities. Taking into account the logistical difficulties of gasification of remote settlements…
Different from the conventional, unconventional natural gas accumulations have obvious particularity in reservoir forming conditions, enrichment mechanism, distribution modes, prediction method and exploration technology. Analyzing the reservoir…
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…
The accurate simulation of upward multiphase flow of hydrate slurry in the annulus is one of the key scientific unsolved issues in natural gas hydrate solid fluidization exploitation. In this work, the upward multiphase flow of hydrate slurry in a…
There are nearly 1000 million tons of oil and gas resources in the South China Sea, but 83% of the natural gas resources and 70% of the natural gas resources are in the deep water and 500 kilometers away from the mainland of China. How to effectively…
In recent decades, the development of natural gas hydrates has become a research hotspot of scholars all over the world. However, the decomposed gas and water in marine gas hydrate production system may regenerate gas hydrates due to the…
Carbon capture, utilization and storage technology (CCUS) is considered to be one of the most important technical pathways for greenhouse gas emission reduction. CO2 pipeline transportation technology in China started late, with more CO2 pipeline…
Safety of any energy storage technology is a key attribute for all existing power plants and energy storage utilities. Another no less important area is the storage of energy in biogas plants where gas formation is time-dependent. Accumulation of…
Natural gas hydrate (NGH) is a potentially green energy resource for the future. Five trial production experiments of marine NGH have been carried out worldwide. However, the currently widely used drilling method has poor economic applicability, and…
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…
The new scenario involving the rapid energy supply transition from oil-based to natural gas-based undoubtedly affects the future carbon capture and storage (CCS) and offers an opportunity for the use of natural gas hydrates (NGHs). NGHs account for…
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…
Considerable gas storage rate (about 170 times as much as its volume) and self-preservation effect of natural gas hydrate (NGH) make itself as a favorable ways to storage and transport natural gas. Consequently, NGH has its own unique advantages when…
Gas hydrates formed in the conditions of high pressure and low temperature in deep sea and in the process of oil and gas transportation, natural gas hydrate (NGH), will seriously affect the safety of drilling and completion operations and marine…
Natural Gas production and transportation are at risk of Gas hydrate plugging especially when in offshore environments where temperature is low and pressure is high. These plugs can eventually block the pipeline, increase back pressure, stop…
The high-pressure and low-temperature environment prevailing in the process of offshore oil and gas development is very prone to the formation of hydrate in the wellbore to block the tubing, which leads to production reduction and shutdown and causes…
The hydrocarbons components are formed in multiple phase flow of gasses in a variation of temperature, pressure and composition, which results in flow change for hydrocarbon fluid. The presence of solids can cause severe problems in oil and gas…
With the exploration and development of natural gas gradually extended to the deep sea, low-temperature and high-pressure environmental conditions and long-distance transportation make flow assurance engineers have to consider the impact of the…
Abstract: A brief review of laboratory modeling methods of gas hydrate formation in various reactors is given. Installations from both Russia and other countries are analyzed. The development of laboratory hydrate reactors to the semi-industrial…
• CBCMs significantly improved the hydrate formation kinetics and storage capacity. • Carbonyl groups was identified as the active sites enhancing CH 4 hydrate formation. • Functional groups tuned hydrogen-bonding network results in the enhanced…
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…
Blending hydrogen (H2) into natural gas pipelines has become an effective way to transport H2 on a large scale. Due to the difference in properties between H2 and natural gas, the natural gas hydrate (NGH) phase equilibrium will be changed after…
Hydrate technology is of considerable significance for industrial natural gas storage and transportation. In this paper, the hydrate formation in surfactants with different ratios of alkyl glycosides (APG) and sodium dodecyl sulfate (SDS) was studied…
Fluidizing highly converted hydrate particles is a potential way for continuously producing gas hydrate in gas storage application. However, the fundamental problem is to prevent hydrate agglomeration while keeping a high formation rate. In this…
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…
Natural gas hydrate (NGH), as a clean energy with great development potential, has been limited by the lack of efficient and safe exploitation methods for a long time. The CO2 displacement method proposed in recent years has not made substantial…
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…
China’s second offshore natural gas hydrate production reveals the urgency and potential demand for ship-based gas storage and transportation technology. Three possible gas storage processes including hydrate-based natural gas (HNG), pressurized…
Hydrate plugging in pipes is a serious issue that affects flow safety in the trial production of offshore natural gas hydrates. Current research on hydrate flow assurance has primarily focused on conventional oil-and-gas production and transportation…
Commercial exploitation of hydrogen-rich natural gas (CH4/C2H6/H2, HRNG) requires the development of a technology platform for safe and economical gas transportation and storage. Recent discoveries confirm that HRNG gas mixtures can be stored in HRNG…
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…
Gas hydrates are non-stoichiometric inclusion compounds formed by the incorporation of molecules of nonpolar gases, for example, hydrocarbons, into the cavity of the network structure of water. The most remarkable property of hydrates is their high…
Hydrates generation-blockage in submarine natural gas pipelines has always been related to the safety of deepwater natural gas production and transportation. However, the current hydrate formation risk prediction in subsea pipelines is still…
The self-preservation phenomenon may be used for storage and transportation of natural gas in the form of gas hydrate. In this work, decomposition kinetics and self-preservation of methane hydrate dispersions in two types of crude oils were studied.…
A commercially available anti-agglomerant (AA) was evaluated in water-in-crude oil (W/CO) emulsions at different water cut. The injection of an AA to an emulsion affects the induction time and rate of hydrate formation. When AA was injected before…
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…
The so-called blue hydrogen production process, integrates conventional fossil fuel-based production methods with carbon capture and storage technologies. This combination reduces total CO2 emissions, compared to conventional grey fossil-fuel-based…
Abstract: A brief review of laboratory modeling methods of gas hydrate formation in various reactors is given. Installations from both Russia and other countries are analyzed. The development of laboratory hydrate reactors to the semi-industrial…
Gas hydrates (clathrate hydrates, clathrates, or hydrates) are crystalline inclusion compounds composed of water and gas molecules. Methane hydrates, the most well-known gas hydrates, are considered a menace in flow assurance. However, they have also…
Storage and transportation of natural gas in the form of hydrate attract interest in recent times as a huge amount of gas can be accumulated within a small volume of solid hydrate. In the present study, a novel surfactant synthesized from castor oil…
Dual (thermodynamic and kinetic) inhibition effects of piperazine (PZ) and hydrazine (HZ), two representative diamines, on the formation of CH4 hydrate were investigated, primarily focusing on thermodynamic, spectroscopic, and computational analyses…