Table. Guidelines for estimating number of days required 

 for data collection operations. 



Data collection operation 



Time required 



Mobilization of seismic 



vessel 

 Equipment checkout 

 Seismic data collection 



Contingency time (adverse 

 weather and equipment 

 downtime) 



Demobilization of seismic 

 vessel 



Mobilization of coring 

 platform 



Mobilization of reconnais- 

 sance vessel 



Collection of cores 



Contingency time 



Demobilization of coring 

 platform 



1.5 to 2 days 



0.5 day 



35 miles (56 kilometers) of 



trackline per day 

 25 to 30 percent of estimated 



number of days for seismic 



data collection^ 

 1 day 



1 day 



0.5 day 



6 to 10 cores per day (depend- 

 ing on core site spacing) 



25 to 30 percent of estimated 

 number of days for coring^ 



1 day 



•^May vary with geographic area. 



