Hauptbohrung
Hauptbohrung, meaning "main bore" or "primary bore" in German, refers to the initial and largest excavation undertaken in certain drilling or tunneling projects. It establishes the main conduit or passageway through which subsequent operations will occur or through which the final product will be transported. The size and precision of the Hauptbohrung are critical to the success of the overall project, as it dictates the dimensions and capabilities of the subsequent smaller bores or the final tunnel.
In the context of oil and gas exploration, a Hauptbohrung is often the initial large-diameter wellbore drilled
Similarly, in tunnel construction, the Hauptbohrung signifies the excavation of the main tunnel itself, whether it's