1. For more information on the use of toolface measurements, see Directional drilling . 2. Directional drilling allows oil to be produced miles away from surface facilities.3. Some of these oil reserves could be produced by directional drilling from existing platforms. 4. The primary use of real-time surveys is in directional drilling . 5. Directional drilling would involve using land-based equipment to recover natural gas from underneath the lake.6. INTEQ provides directional Drilling , MWD / LWD, surface logging ( Mudlogging ) and coring services. 7. Directional drilling beneath the Great Lakes is now banned.8. We'll use directional drilling , so we'll be able to avoid wetlands and sensitive species ." 9. Gyrodata delivers a wide range of services including directional drilling , gyro surveying, and wellbore logging. 10. Beryllium copper is used for measurement-while-drilling ( MWD ) tools in the directional drilling industry.