Obtaining and confining water by means of wells (applicable to a combination of water and other liquids or to other liquids only E21B43/00)

Full Title

Methods or installations for obtaining or collecting drinking water or tap water (treatment of water C02F) > from underground > Obtaining and confining water by means of wells (applicable to a combination of water and other liquids or to other liquids only E21B43/00)

Child Classifications

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• E03B 3/10 by means of pit wells
• E03B 3/12 by means of vertical pipe wells
• E03B 3/14 by means of horizontal or oblique wells
• E03B 3/15 Keeping wells in good condition, e.g. by cleaning, repairing, regenerating; Maintaining or enlarging the capacity of wells or water-bearing layers (with artificial enrichment E03B3/32 )
• E03B 3/16 Component parts of wells