Conventional seismic exploration is based on the assumption of isotropy,it will be waste lots of usefull informations of long offset,and the precision of stack velocity and interval velocity provided can't meet the need of predicting the pre-drilling pre.

Application of large displacement profiled pump in shallow reservoirs of Jidong Oilfield;

The Preliminary Study on Tiao Ling Tou and Tiao Da Pai in the south of Guangxi;