The Seismic While Driling technology is mainly for offshore use due seismic source limitation. In order to have fully syncronized acquisition of Checkshots, similar seismic source is required as in the offshore environment i.e Air Gun. The land operations puts more chalenges as compared to offshore operations. With good pre-job planning and collabration with different segments, the first land Seismic while drilling operation went successfully in two deep wells in Tarim basin, Noth West of China. Good quality Checkshots were obtained with both real-time and memory data, with excellent repeatibility. The quality of real-time data enabled to reduce the waiting time for model update and remigration of the data, which further reduce the turn around time for results delivery to driller to adjust the well trajectory in time and drill to the target safely.


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