bn:03527109n
Noun Concept
Categories: Drilling technology, Chinese inventions, Water wells, American inventions
EN
well drilling  DUC  Managed Pressure Drilling
EN
Well drilling is the process of drilling a hole in the ground for the extraction of a natural resource such as ground water, brine, natural gas, or petroleum, for the injection of a fluid from surface to a subsurface reservoir or for subsurface formations evaluation or monitoring. Wikipedia
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EN
Well drilling is the process of drilling a hole in the ground for the extraction of a natural resource such as ground water, brine, natural gas, or petroleum, for the injection of a fluid from surface to a subsurface reservoir or for subsurface formations evaluation or monitoring. Wikipedia
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