id	keyword
ajst-29357	reservoir
ajst-29357	heterogeneity
ajst-29357	non
ajst-29357	homogeneity
ajst-29357	research
ajst-29357	reservoir heterogeneity
ajst-29357	oil
ajst-29357	method
ajst-29357	distribution
ajst-29357	development
ajst-29357	study
ajst-29357	characteristics