id	keyword
esrj-120997	y d
esrj-120997	d h
esrj-120997	h y
esrj-120997	lo m
esrj-120997	m b
esrj-120997	ng t
esrj-120997	research journal
esrj-120997	sciences research
esrj-120997	earth sciences
esrj-120997	basin
esrj-120997	gas
esrj-120997	shale gas
esrj-120997	figure
esrj-120997	volume
esrj-120997	oil shale
esrj-120997	b ia
esrj-120997	tto
esrj-120997	april
esrj-120997	issue
esrj-120997	basin area
esrj-120997	distribution
esrj-120997	data
esrj-120997	ia figure
esrj-120997	resources
esrj-120997	gas resources
esrj-120997	valley basin
esrj-120997	shale earth
esrj-120997	oil earth
esrj-120997	gas sands
esrj-120997	colombia
esrj-120997	ia o
esrj-120997	table
esrj-120997	magdalena
esrj-120997	basins earth
esrj-120997	o figure
esrj-120997	magdalena valley
esrj-120997	parameters
esrj-120997	fit
esrj-120997	areas
esrj-120997	eastern
esrj-120997	gas hydrates
esrj-120997	scenario
esrj-120997	results
esrj-120997	colombia basin
esrj-120997	thickness
esrj-120997	basin distribution
esrj-120997	sands earth
esrj-120997	resources earth
esrj-120997	information
esrj-120997	production
esrj-120997	gas volume
esrj-120997	goodness
esrj-120997	offshore
esrj-120997	tight
esrj-120997	potential
esrj-120997	total
esrj-120997	test
esrj-120997	hypothesis
esrj-120997	middle
esrj-120997	hydrocarbons
esrj-120997	interval
esrj-120997	confidence
esrj-120997	rock
esrj-120997	methane gas
esrj-120997	llanos
esrj-120997	value
esrj-120997	upper
esrj-120997	cordillera
esrj-120997	putumayo
esrj-120997	caguán