Latest Articles of Journal of Natural Gas Science and Engineering


Numerical investigation of water droplets trajectories during natural gas dehydration inside supersonic separator 10.1016/j.jngse.2018.03.013 2018-03-31 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 droplets an...
Combined heat and power – multi-objective optimization with an associated petroleum and wet gas utilization constraint 10.1016/j.jngse.2018.03.025 2018-03-30 Associated petroleum gas and wet gas are byproducts of oil field operations. The use of both gases as low-cost, low-quality fuel in oil field operations has several downfalls, such as a low Modified Wobbe Index and high hydrogen sulfide content. Modified Wobb...
Experimental study on new leak location methods for natural gas pipelines based on dynamic pressure waves 10.1016/j.jngse.2018.03.023 2018-03-29 Natural gas is a vital energy carrier that can serve as an energy source for domestic and commercial applications by supplying electricity and heating through pipeline systems. Natural gas pipelines are extremely vulnerable to leakages, and leaked gas clouds ...
Natural gas upgrading by selective separation on zeotype adsorbents 10.1016/j.jngse.2018.03.008 2018-03-29 In this study, three kinds of zeotype adsorbents (synthesized NaA and SAPO-34 in comparison with natural Clinoptilolite) were compared to find out their abilities of separating CO2 and N2 from CH4. The adsorbents were characterized by SEM (scanning electron m...
Parameter optimization of Depressurization−to−Hot−Water−Flooding in heterogeneous hydrate bearing layers based on the particle swarm optimization algorithm 10.1016/j.jngse.2018.03.017 2018-03-27 Given the great importance of optimization parameters to the development performance of hydrate bearing layers (HBLs), this study developed an operation parameter optimization method by combining the particle swarm optimization (PSO) algorithm and the numeric...
Crater formation by the rupture of underground natural gas pipelines: A probabilistic-based model 10.1016/j.jngse.2018.03.011 2018-03-27 Parallel and crossing pipelines are frequently implemented due to land-use restrictions and their ease of operation and maintenance. Given the proximity of these pipelines and the hazardousness of the substances they transport, an eventual Loss of Containment...
Pore structure characteristics of China sapropelic coal and their development influence factors 10.1016/j.jngse.2018.03.022 2018-03-23 Sapropelic coal is similar to humic coal in organic matter content, and to shale in kerogen type. Research on the sapropelic coal pore structure can help to understand the differences between humic coal and shale in pore development. In this paper, the pore s...
Competitive adsorption and diffusion of CH4/CO2 binary mixture within shale organic nanochannels 10.1016/j.jngse.2018.02.034 2018-03-22 Molecular dynamics simulations were performed to study adsorption and dynamics properties of pure CO2, pure CH4, and their mixtures confined to a graphene nanochannel with width of 3.25 nm at different loadings, temperature and molar ratios. Preferential adso...
Numerical simulation and experiment on the law of urban natural gas leakage and diffusion for different building layouts 10.1016/j.jngse.2018.03.006 2018-03-13 To provide a more reliable theoretical basis for emergency-management decisions following accidental natural gas leaks, a numerical simulation and an experiment were conducted in this study to investigate the effects of complex construction environments on na...
A mechanism for generating the gas slippage effect near the dewpoint pressure in a porous media gas condensate flow 10.1016/j.jngse.2018.03.003 2018-03-12 This paper presents an experimental study of gas condensate flow in porous media at pressures above the dewpoint pressure. Experimental studies of steady-state flows show that the gas flow rate starts to increase when the pressure significantly exceeds the de...

Numerical investigation of water droplets trajectories during natural gas dehydration inside supersonic separator

10.1016/j.jngse.2018.03.013

2018-03-31

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 droplets an...

Combined heat and power – multi-objective optimization with an associated petroleum and wet gas utilization constraint

10.1016/j.jngse.2018.03.025

2018-03-30

Associated petroleum gas and wet gas are byproducts of oil field operations. The use of both gases as low-cost, low-quality fuel in oil field operations has several downfalls, such as a low Modified Wobbe Index and high hydrogen sulfide content. Modified Wobb...

Experimental study on new leak location methods for natural gas pipelines based on dynamic pressure waves

10.1016/j.jngse.2018.03.023

2018-03-29

Natural gas is a vital energy carrier that can serve as an energy source for domestic and commercial applications by supplying electricity and heating through pipeline systems. Natural gas pipelines are extremely vulnerable to leakages, and leaked gas clouds ...

Natural gas upgrading by selective separation on zeotype adsorbents

10.1016/j.jngse.2018.03.008

2018-03-29

In this study, three kinds of zeotype adsorbents (synthesized NaA and SAPO-34 in comparison with natural Clinoptilolite) were compared to find out their abilities of separating CO2 and N2 from CH4. The adsorbents were characterized by SEM (scanning electron m...

Parameter optimization of Depressurization−to−Hot−Water−Flooding in heterogeneous hydrate bearing layers based on the particle swarm optimization algorithm

10.1016/j.jngse.2018.03.017

2018-03-27

Given the great importance of optimization parameters to the development performance of hydrate bearing layers (HBLs), this study developed an operation parameter optimization method by combining the particle swarm optimization (PSO) algorithm and the numeric...

Crater formation by the rupture of underground natural gas pipelines: A probabilistic-based model

10.1016/j.jngse.2018.03.011

2018-03-27

Parallel and crossing pipelines are frequently implemented due to land-use restrictions and their ease of operation and maintenance. Given the proximity of these pipelines and the hazardousness of the substances they transport, an eventual Loss of Containment...

Pore structure characteristics of China sapropelic coal and their development influence factors

10.1016/j.jngse.2018.03.022

2018-03-23

Sapropelic coal is similar to humic coal in organic matter content, and to shale in kerogen type. Research on the sapropelic coal pore structure can help to understand the differences between humic coal and shale in pore development. In this paper, the pore s...

Competitive adsorption and diffusion of CH4/CO2 binary mixture within shale organic nanochannels

10.1016/j.jngse.2018.02.034

2018-03-22

Molecular dynamics simulations were performed to study adsorption and dynamics properties of pure CO2, pure CH4, and their mixtures confined to a graphene nanochannel with width of 3.25 nm at different loadings, temperature and molar ratios. Preferential adso...

Numerical simulation and experiment on the law of urban natural gas leakage and diffusion for different building layouts

10.1016/j.jngse.2018.03.006

2018-03-13

To provide a more reliable theoretical basis for emergency-management decisions following accidental natural gas leaks, a numerical simulation and an experiment were conducted in this study to investigate the effects of complex construction environments on na...

A mechanism for generating the gas slippage effect near the dewpoint pressure in a porous media gas condensate flow

10.1016/j.jngse.2018.03.003

2018-03-12

This paper presents an experimental study of gas condensate flow in porous media at pressures above the dewpoint pressure. Experimental studies of steady-state flows show that the gas flow rate starts to increase when the pressure significantly exceeds the de...