Imaging the Morrow A Sandstone Using Shear Wave VSP Data, Postle Field, Oklahoma

Table 2

Source and receiver parameters of the March 2008 VSP survey.

Date	Parameter	Horizontal Vib.	Vertical Vib.
March; 2008	Start frequency	4 Hz	6 Hz
	End frequency	60 Hz	100 Hz
	Start taper	500 ms	250 ms
	End taper	500 ms	250 ms
	Sweep type	Linear	Linear
	Listen time	6 sec	5 sec
	Sweep length	8 sec	8 sec
	Sampling rate	2 ms	2 ms