Samintha Perera

Investigating the proppant damage mechanisms expected in a propped coal fracture and its effect on fracture flow

MAA Ahamed, MSA Perera, Jay R Black, SK Matthai, PG Ranjith, Dong-yin Li, KHSM Sampath

Journal article  |  2021  |  JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING

Although mixing of proppants with the fracturing fluid can significantly improve the productivity of many unconventional gas reser..

Discrete fracture matrix modelling of fully-coupled CO2 flow - Deformation processes in fractured coal

KHSM Sampath, MSA Perera, D Elsworth, SK Matthai, PG Ranjith, Dong-yin Li

Journal article  |  2021  |  INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES

CO2 interaction causes complex mechanical deformations and flow modifications in coal, depending on the spatial disposition of the..

Microwave-assisted damage and fracturing of hard rocks and its implications for effective mineral resources recovery

T Xu, Y Yuan, MJ Heap, GL Zhou, MSA Perera, PG Ranjith

Journal article  |  2021  |  Minerals Engineering

Microwave radiation can be used to pre-damage hard rock to reduce the cost of drilling and excavation typically required in tunnel..

A Comprehensive Review of Structural Alterations in CO2-Interacted Coal: Insights into CO(2 )Sequestration in Coal

KHSM Sampath, PG Ranjith, MSA Perera

Thesis / Dissertation  |  2020  |  Energy and Fuels

The greenhouse gas effect, which primarily comes from the vast destruction of forests and energy production from burning fossil fu..

Laboratory evaluation of flow properties of Niutitang shale at reservoir conditions

D Zhang, PG Ranjith, MSA Perera, G Ma

Journal article  |  2020  |  Marine and Petroleum Geology

Absolute and water saturation dependent gas flow under reservoir conditions is important for the exploration of deep energy resour..

Effect of supercritical-CO2 interaction time on the alterations in coal pore structure.

KHSM Sampath, I Sin, MSA Perera, SK Matthai, PG Ranjith, Li Dong-yin

Journal article  |  2020  |  Journal of Natural Gas Science and Engineering

The supercritical CO2 (S-CO2) interaction time is a vital parameter in CO2 geo-sequestration in coal seams, which is under-evaluat..

Influences of test method and loading history on permeability of tight reservoir rocks

D Zhang, PG Ranjith, MSA Perera, CP Zhang

Journal article  |  2020  |  Energy

Steady-state and unsteady-state (downstream pressure build-up) gas permeability tests were conducted on low permeability siltstone..

Modelling of fully-coupled CO2 diffusion and adsorption-induced coal matrix swelling

KHSM Sampath, MSA Perera, SK Matthai, PG Ranjith, Li Dong-yin

Journal article  |  2020  |  Fuel

Multiple CO2 diffusion mechanisms coexist in the coal matrix in certain pore pressure ranges and the subsequent CO2 adsorption ind..

Modelling of free and adsorbed CO2-induced mechanical property alterations in coal

MSA Perera, KHSM Sampath

Journal article  |  2020  |  International Journal of Coal Geology

CO2 interaction-induced mechanical alteration in coal is imperative in the context of CO2 geo-sequestration, as it governs the pro..

Contact Force Generated by Impact of Boulder on Concrete Barriers

ZZA Majeed, ACY Yong, JS Perera, NTK Lam, SJ Menegon, E Gad

Conference Proceedings  |  2020  |  ACMSM25 Proceedings of the 25th Australasian Conference on Mechanics of Structures and Materials

Landslides and rockfalls are major hazards in mountainous regions. The level of hazard tends to be on the rise amid climate change..