| Abbreviation | Definition |
|---|---|
| DODI | Diamond Offshore Drilling, Inc. |
| DOMG | Department of Mines and Geology |
| DP | Drill Pipe |
| DRB | Delaware River Basin |
| DREGS | Denver Region Exploration Geologists Society |
| DRO | Direct RunOff |
| DRP | Distance Rference Point |
| DSAAS | Digital Seismograph Acquisition & Analysis System |
| DSB | Deep Sand Bed |
| DSC | Displacement Shift Complete |
| DSDM | Diaphragm Seismic Design Methodology |
| DSGA | Dynamique des Systèmes Géologiques et Aléas (French: System Dynamics and Geological Hazards) |
| DSS | Direct Shear Test |
| DTG | Digital Topographic Grid |
| DTM | Department of Terrestrial Magnetism |
| DU | Dry and Unstable |
| DWT | Diamond Weight Total |
| E | Echo |
| EARTH | earthquake |
| EASE | Equal Area Scalable Earth |