If all the water were pumped from the coal, the micropores in the coal would probably close, which would stop most of the flow of methane through the coal.
(all the water; were pumped; from the coal) (the micropores in the coal; would probably close; ) (the micropores in the coal; would stop; most of the flow of methane; through the coal)
all the water the micropores in the coal the micropores in the coal
were pumped would probably close would stop
from the coal
most of the flow of methane through the coal