Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
horizontal drilling  | |
|---|---|
| BT | drilling |
| .horizontal drilling | |
| RT | mining geology |
| petroleum engineering | |
| well-logging | |
| mineral exploration | |
| boreholes | |
| pipelines | |
| SN | Before 1993, also search horizontal wells if applicable. Added to Thesaurus in 1993. |