Bingbing Chen

Bingbing Chen
Dalian University of Technology | DUT · Energy and Power Engineering Institute

PhD

About

30
Publications
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Introduction
Bingbing Chen currently works at the Energy and Power Engineering Institute, Dalian University of Technology. Bingbing does research in hydrate field .

Publications

Publications (30)
Article
The change in water–gas flowrate ratio is one of the main reasons to induce plugging occurrence in the natural gas hydrate (NGH) exploitation process, which significantly influences gas production efficiency. However, there was still no judgment factor to predict multiphase flow plugging in different field scales. Therefore, two sizes cylindrical r...
Article
Methane hydrates with underlying gas are promising for gas production commercially in case of accurate prediction and timely effective measures taken to control dynamic permeability. In a core holder, marine sediments sampled from South China Sea were used to remold hydrate muddy cores. Three consecutive gas production experimental results confirme...
Article
Natural gas hydrates (NGHs) are a form of natural gas widespread in the seafloor, and the realization of commercial exploitation is of great significance to solve the energy problem. There must be large amount of seawater and gas migration during the hydrate exploitation process. Studies have shown that seawater flow at a constant flow rate will en...
Article
The use of solidified natural gas technology for storing natural gas (NG) has significant advantages because it finds an optimal balance between economic feasibility and safety. In this study, the effects of the gas–water volume ratio on tetrahydrofuran (THF)/methane (CH4) hydrate formation were explored via visualization in the presence of stoichi...
Article
The commercial exploitation of natural gas hydrates (NGHs) has been a growing research focus due to its features of enormous reserves and clean fuel. To guarantee the safe and efficient production of NGHs, we have proposed a novel strategy of water flow erosion to promote methane hydrate (MH) decomposition based on the tremendous seawater resource...
Article
Understanding the critical velocity at which hydrate particles can be removed from a solid surface is crucial for flow assurance issues. An improved model is proposed to predict the critical velocity in hydrate particle removal process by considering a deformed liquid bridge. In situ experiments were performed for validation, and it was observed th...
Article
As one of the most potential unconventional fossil fuels, the safe and efficient production of natural gas hydrates (NGHs) has become a prominent research area worldwide. Water flow erosion, which has been proven to be a powerful methane hydrate dissociation method recently, may be an effective way to mitigate the challenging ice generation problem...
Article
Water-gas two-phase flow always exists in the natural gas hydrate production process. It has been confirmed that a suitable water-gas flow rate ratio can efficiently induce hydrate decomposition above hydrate phase equilibrium. Meanwhile, the water-gas flow may help to prevent the ice generation and hydrate reformation that need to be solved in the...
Article
Depressurization is one of the most efficient methods in the production testing of natural gas hydrates. However, problems such as hydrate reformation, ice generation and insufficient dissociation driving force in the later period of depressurization adversely affect the gas production. It has been confirmed that controlling the flowrate ratio of a...
Article
The kinetics of bulk hydrate formation is of crucial importance in the application of hydrate-based technique involving energy storage, desalination and flow assurance. Various procedures have been found to significantly impact the kinetics of hydrate formation; yet with few studies touching the effects of a weak electric field. A voltage across th...
Article
Molecular dynamics (MD) simulation plays an important role in the microscopic analysis of the gas hydrate phase transition. This technology enables the feasible analysis of the effects of thermodynamic parameters (such as temperature, pressure and chemical potential) on the hydrate dissociation kinetics. Molecular dynamics simulations were performe...
Article
Natural gas hydrates (NGHs), regarded as an alternative future energy source. Currently, tests for hydrate exploitation from marine sediment have been performed in the Nankai Trough of Japan and the Shenhu area of the South China Sea. Hydrate exploitation is influenced by water-gas flow in the sediment, and considering the huge seawater reserves in...
Article
The efficient and safe exploitation of natural gas hydrates (NGHs) has been a worldwide hot topic. Water migration is a fundamental process during NGHs production due to large amount of water produced from hydrate decomposition and in-situ seawater in seabed. Water flow erosion, a continuous water flow process to decompose hydrates, is a novel prod...
Article
Full-text available
Depressurization is considered the most efficient method for natural gas hydrates (NGHs) exploitation. However, ice formation, hydrate reformation, and insufficient decomposition driving forces in the later stages of depressurization are the main issues to be solved. In this study, a more effective combination of depressurization with water flow er...
Article
There are four primary classes of natural gas hydrate deposits in natural world. The differences between them are in the distribution of the methane hydrate, free gas, and free water layers. A reactor which the height was 120 mm and the inner diameter was 103 mm was used in hydrate formation and dissociation, and 17 thermocouples measured the distr...
Article
Full-text available
Natural gas hydrates (NGHs) widely exist in continental permafrost or marine sediment, and with a carbon quantity twice that of all fossil fuels combined, they are a potential energy source for the future. The efficient exploitation of NGHs has been a popular topic of research worldwide. Currently, existing NGH exploitation methods each present cha...
Article
Full-text available
Natural gas hydrates (NGHs) are regarded as a potential energy source for the future. NGHs dissociation always accompanied by the migration of water. To understand the effect of water flow migration on hydrate dissociation, the visualization studies on the variation of hydrate distribution during seawater and water flow process was carried out in t...
Article
Carbon dioxide (CO2) emission is one of the primary causes of global warming, while CO2 storage is an effective way to solve this problem. Moreover, CO2 storage as CO2 hydrate is regarded as a viable and promising way. The development of natural gas hydrate mining technologies has provided a safe and appropriate method to store CO2 in depleted gas...
Article
Full-text available
天然气水合物(NGH)是一种储量巨大的新型清洁能源,具有极大的开采潜力。水合物开采过程中水流速度分布特性是揭示含水合物沉积层中流体运移机制的关键参数。目前有关含水合物沉积层水流速分布特性处于研究瓶颈,缺少实验研究,核磁共振成像(MRI)是一种有效的研究方法。本文在6MPa压力、274.15K温度的条件下进行了天然气水合物恒容生成实验,并在0.5K梯度水合物升温分解过程中利用MRI对水相截面速度分布进行了测试。研究发现在含水合物填砂岩芯的横截面处存在正速度区域和负速度区域;填砂岩芯内水合物的分布影响正速度和负速度的分布;在等梯度升温分解过程中,填砂岩芯中水相截面正流速区域沿水合物富集区表面向内部逐渐变大;水合物的存在对水的流动速度具有一定的削弱作用,流速越大削弱作用越明显。
Article
There are four main classes of methane hydrate deposits in nature. These classes differ in their distributions of the methane hydrate layer, free water layer and free gas layer. The gas production rate, water production rate, gas-to-water ratio, gas and water production recovery during the depressurization dissociation process are different for hyd...
Article
Full-text available
Natural gas hydrates (NGHs) are a new, clean and effective energy source with great potential for exploitation. The permeability of hydrate-bearing sediment is one of the crucial factors for evaluating the efficiency of gas hydrate production. Many researchers have investigated the variation in permeability, but there is still no effective method f...
Article
The productivity of methane from natural gas hydrate reservoirs is predominantly controlled by the fluid migration mechanisms in hydrate-bearing sediments. Thus, the characterization of the effects of hydrate distribution on fluid migration is significant in the exploitation of natural gas hydrates. In this work, a phase contrast method was used to...
Article
Full-text available
Natural gas hydrate (NGH) has great potential for exploitation, which is a new, clean and effective energy. THF hydrate has properties similar to methane hydrate. Hence, is widely researched to provide fundamental properties about hydrates. In this study, an experiment about THF hydrate formation accompanied with oxidation reaction under weak elect...
Article
Full-text available
Gas hydrate-based technology has been more important in the recent years. And the hydrate gas uptake affects the efficiency of hydrate-based gas storage and exchange exploitation technologies. In this study, this types of additives cyclopentane (CP) and methyl-cyclopentane (MCP) were investigated. The gas uptake of CO2 hydrate formation with CP or...
Article
The hydrate reformation that occurs in natural gas hydrate (NGH) exploration reduces mining efficiency and safety. To elucidate the hydrate formation/reformation characteristics during NGH exploration, methane hydrate (MH) was formed/reformed in two different modes to simulate mining of NGH sediment. The effects of residual water, residual MH and m...