id	keyword
fis-2016	fracturing
fis-2016	fracture
fis-2016	cluster
fis-2016	fluid
fis-2016	fracturing fluid
fis-2016	interference
fis-2016	spacing
fis-2016	fracturing section
fis-2016	hydraulic
fis-2016	cluster spacing
fis-2016	propagation