id	keyword
ajst-28818	drill
ajst-28818	string
ajst-28818	z z
ajst-28818	heave
ajst-28818	displacement
ajst-28818	amplitude
ajst-28818	bit
ajst-28818	response
ajst-28818	drift
ajst-28818	platform
ajst-28818	motion
ajst-28818	drilling
ajst-28818	fig
ajst-28818	vibration
ajst-28818	string element
ajst-28818	d d
ajst-28818	time
ajst-28818	t t
ajst-28818	frequency
ajst-28818	speed
ajst-28818	torsional