An overview on the enhanced gas condensate recovery with novel and green methods

Nasr, Mahdi Shayan; Esmaeilnezhad, Ehsan; Choi, Hyoung Jin

doi:10.1007/s11356-022-18847-2

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Cited by 3 publications

References 132 publications

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Microbial Electrolysis Cells for the Treatment of Dye Effluent and Coupled with Generation of Hydrogen

Esmaelzadeh,

Taheri,

Masoudi

et al. 2024

Sustainable Materials and Technology

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Microbial Electrolysis Cells for the Treatment of Dye Effluent and Coupled with Generation of Hydrogen

Esmaelzadeh,

Taheri,

Masoudi

et al. 2024

Sustainable Materials and Technology

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A new formulation for removing condensate blockage for low permeable gas reservoir

Abbasi,

Khamehchi,

Khaleghi

et al. 2024

J Petrol Explor Prod Technol

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Condensate blockage significantly impairs gas production in low-permeability reservoirs by reducing gas relative permeability and increasing condensate saturation near the wellbore. Particularly acute in reservoirs with low pressure and permeability, effective solutions are required to mitigate this formation damage. This study introduces a novel acid treatment strategy aimed at enhancing the injectivity index in gas reservoirs afflicted by condensate blockage. Leveraging mineralogical analysis, Hydrochloric Acid (HCl) was identified as the optimal acidizing agent. The most effective concentrations of HCl for rock dissolution—15% and 7.5%—were determined through dissolution tests. The research further advances by adding methanol to the acid mix, resulting in three distinct formulations: HCl 15 wt%, HCl 15 wt% + methanol, and HCl 7.5 wt% + methanol. Comprehensive wettability alteration tests and coreflood experiments were conducted to evaluate the efficacy of these systems in permeability enhancement. The HCl 7.5 wt% + methanol formulation demonstrated superior performance in permeability improvement and condensate blockage reduction, outshining the other systems. Notably, this new acid system effectively altered wettability from hydrophobic to hydrophilic, facilitating the passage of condensate through the pore throats and thus aiding in the removal of blockages. The integration of methanol with HCl, particularly at a 7.5 wt% concentration, represents a significant advancement in the treatment of condensate blockage in gas reservoirs, promising to improve gas recovery rates by addressing the challenges posed by low-permeability formations.

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Effects of thermal damage on natural gas transport capacity of tight sandstone after electrical heating

Zhang,

Li,

et al. 2023

Geoenergy Science and Engineering

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An overview on the enhanced gas condensate recovery with novel and green methods

Cited by 3 publications

References 132 publications

Microbial Electrolysis Cells for the Treatment of Dye Effluent and Coupled with Generation of Hydrogen

Microbial Electrolysis Cells for the Treatment of Dye Effluent and Coupled with Generation of Hydrogen

A new formulation for removing condensate blockage for low permeable gas reservoir

Effects of thermal damage on natural gas transport capacity of tight sandstone after electrical heating

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