id	keyword
ajst-29620	cement sheath
ajst-29620	sheath interface
ajst-29620	fracturing
ajst-29620	casing
ajst-29620	failure
ajst-29620	fluid
ajst-29620	stress
ajst-29620	fracturing fluid
ajst-29620	temperature
ajst-29620	wall
ajst-29620	gas
ajst-29620	integrity
ajst-29620	shale