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Preventing gas- or water- coning phenoma
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Industry
CPC
E21B43/32
This industry / category may be too specific. Please go to a parent level for more data
Parent Industries
E
FIXED CONSTRUCTIONS
E21
Mining
E21B
EARTH DRILLING
E21B43/00
Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
Current Industry
E21B43/32
Preventing gas- or water- coning phenoma
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