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Impact of wettability on storage and recovery of hydrogen gas in the lesueur sandstone formation (Southwest hub project, Western Australia) by Ahmed Al-Yaseri; Lionel Esteban; Ausama Giwelli; Safwat Abdel-Azeim; Joel Sarout; Mohammad Sarmadivaleh is a Engineering article available to read on EtoBox.
What is Impact of wettability on storage and recovery of hydrogen gas in the lesueur sandstone formation (Southwest hub project, Western Australia) about?
Geological storage has been proposed as a new technology to temporarily store significant amounts of hydrogen (H2) gas in depleted gas reservoirs, underground salt caverns, or saline aquifers. Often, such subsurface reservoirs naturally contain trace amounts of organic acids, and these compounds can considerably alter the wettability of reservoir rocks, causing them to become less water-wet. We carried out Molecular Dynamics (MD) simulations of contact angles in a quartz-brine-H2 system to evaluate wettability in realistic subsurface situations. MD simulations suggest that Humic acid makes quartz more hydrophobic, which can affect the overall behaviour of the storage reservoir. For the first time, this effect was experimentally investigated for a natural sandstone reservoir from the South West Hub Project, i.e., the Lesueur Sandstone (LS) formation. Multi-stage core flooding experiments were conducted on the same LS plug to investigate the impact of wettability alteration on initial and residual hydrogen saturation/trapping at depth. First, consecutive brine-H2 drainage-imbibition cycles were carried out on the natural sample; the result indicated that the rock-brine-H2 system was
Who reads Impact of wettability on storage and recovery of hydrogen gas in the lesueur sandstone formation (Southwest hub project, Western Australia)?
It is typically read by researchers, students, and practitioners in Engineering.
- Author
- Ahmed Al-Yaseri; Lionel Esteban; Ausama Giwelli; Safwat Abdel-Azeim; Joel Sarout; Mohammad Sarmadivaleh
- Publisher
- Elsevier BV
- Published
- 2023
- Language
- EN
- Field
- Engineering (Physical Sciences)