Sentry’s TDS-1 system has applications for batch drilling during field development that assists with fast BOP nipple up and can utilize offline testing. TDS-1 Thru Diverter System Cementing operations can start immediately because the T3 TDS casing head is run through the diverter on the surface casing. Operations can continue with removal of diverter and installation of the BOP adapter for drill-out of production casing.