出典:Wiktionary
出典:『Wiktionary』 (2024/12/02 21:04 UTC 版)
wellbore (plural wellbores)
出典:Wikipedia
出典:『Wikipedia』 (2011/05/24 04:17 UTC 版)
A wellbore is any hole drilled for the purpose of exploration or extraction of natural resources such as water, gas or oil where a well may be produced and a resource is extracted for a protracted period of time.