Hydrate prevention based on convection and diffusion in alternate injection wells of carbon dioxide and water

Cao, Guangwen; Bai, Yujie; Chen, Xiaolu; Nan, Xiaohan; Cheng, Qingchao; Sui, Yu; Wang, Zhe

doi:10.1016/j.csite.2021.100858

Case Studies in Thermal Engineering

2021

DOI: 10.1016/j.csite.2021.100858

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Hydrate prevention based on convection and diffusion in alternate injection wells of carbon dioxide and water

Guangwen Cao

Yujie Bai

Xiaolu Chen

et al.

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Cited by 10 publications

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“…Clathrate hydrates are generally found in natural gas transmission pipelines which indicates this phenomenon is a critical flow assurance problem in natural gas industries that can cause a disaster in transmission stream [2][3][4]. Therefore, thermodynamics/kinetics gas hydrate inhibitors (GHI) are often injected into the natural gas flowing pipelines to inhibit or minimize the formation of gas hydrates on flow assurance [5][6][7][8].…”

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confidence: 99%

The Effect of Various Concentrations of Tetra-n-butylammonium Fluoride on the Dissociation Enthalpy of Gas Hydrates

Mohammadi

2022

IJEE

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Semiclathrate hydrate formers such as tetra-n-butylammonium bromide (TBAB), chloride (TBAC) and fluoride (TBAF) are promising compounds that mild the thermodynamic conditions of gas hydrates, considerably. The Clausius-Clapeyron equation is employed in this manuscript to calculate the dissociation enthalpies of methane/carbon dioxide/nitrogen + TBAF semiclathrate hydrates. A 460 cm 3 stirred batch reactor was used to measure the phase equilibria of gas + TBAF semiclathrate hydrates at various concentrations of tetra-nbutylammonium fluoride. The dissociation P-T data were obtained using an isochoric pressuresearch method in the temperature range of 275.15 to 304.7 K and the pressure range of 0.53 to 10.24 MPa at 0.0 -0.4482 mass fraction of TBAF. Investigating the obtained dissociation data showed that the addition of TBAF to the solution increases the amount of dissociation enthalpy of semiclathrate hydrates per mole of the hydrated gas. Increasing the mass fraction of tetra-nbutylammonium fluoride, showed a straight relation with the amount of dissociation enthalpy per mole of hydrated gas.

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confidence: 99%

The Effect of Various Concentrations of Tetra-n-butylammonium Fluoride on the Dissociation Enthalpy of Gas Hydrates

Mohammadi

2022

IJEE

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Comprehensive technology and economic evaluation based on the promotion of large-scale carbon capture and storage demonstration projects

Shen,

Hu,

Kong

et al. 2023

Rev Environ Sci Biotechnol

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Investigating the generation of ferrous sulfide nanoparticles in the produced fluid after acidizing oil wells and its influence on emulsifying stability between oil and water

Bingkun

Cui³

2022

Arabian Journal of Chemistry

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Hydrate prevention based on convection and diffusion in alternate injection wells of carbon dioxide and water

Cited by 10 publications

References 12 publications

The Effect of Various Concentrations of Tetra-n-butylammonium Fluoride on the Dissociation Enthalpy of Gas Hydrates

The Effect of Various Concentrations of Tetra-n-butylammonium Fluoride on the Dissociation Enthalpy of Gas Hydrates

Comprehensive technology and economic evaluation based on the promotion of large-scale carbon capture and storage demonstration projects

Investigating the generation of ferrous sulfide nanoparticles in the produced fluid after acidizing oil wells and its influence on emulsifying stability between oil and water

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