exploratory drilling /ENERGY-MINING,ENG-ELECTRICAL/
[DE] Aufschlussbohrung; Explorationsbohrung; Schürfbohrung
[EN] exploratory drilling
[FR] forage d' exploration; forage de reconnaissance
exploratory drilling,exploratory well /ENERGY-OIL/
[DE] Aufschlussbohrung; Erkundungsbohrung; Explorationsbohrung
[EN] exploratory drilling; exploratory well
[FR] forage d' exploration; forage sauvage