Open AccessA numerical simulation study of injecting CO2into coal bed (enhanced coal bed methane) to reduce GHG emission
Author(s) -
Iwan Setya Budi,
Agus Rudiyono,
Jati Arie Wibowo,
B Luthfie
Publication year - 2021
Publication title -
iop conference series. earth and environmental science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.179
H-Index - 26
eISSN - 1755-1307
pISSN - 1755-1315
DOI - 10.1088/1755-1315/724/1/012054
Subject(s) - coal , environmental science , greenhouse gas , methane , enhanced coal bed methane recovery , coal mining , petroleum engineering , aquifer , enhanced oil recovery , carbon sequestration , fossil fuel , waste management , environmental engineering , carbon dioxide , groundwater , geology , engineering , chemistry , geotechnical engineering , oceanography , organic chemistry
Increasing concentrations of greenhouse gases (GHG), including CO 2 , will lead to changes in the Earth’s climate with the consequence of the rise in the global average temperature. Reducing CO 2 atmospheric concentrations by capturing emissions at the source and then storing them in subsurface reservoirs is considered a reliable solution until emission-free energy sources are developed and viable. Depleted oil and gas reservoirs, saline water aquifer, un-mineable coals are common sites for underground storage. The injection of CO 2 in coal beds, known as ECBM is considered one of the most efficient and favorable economic options of all storage because CO 2 is stored and at the same time will improve the recovery of coal bed methane. This method has huge potential as Indonesia hosts many coal deposits, however, exploitation of CBM is still very limited and mostly on pilot project status. The objectives of this study are to realize the potential value of ECBM and understand important operating parameters that will optimize the project. Reservoir simulations are an inexpensive method for predicting optimal trade-offs between these two separated processes (maximum storage/sequestration and maximum CBM production). This study reveals that methane recovery dependent strongly on the injection rate, while coal swelling/shrinkage only affects early production.