bn:00028744n
Noun Concept
EL
λάσπη γεωτρήσεων  λάσπη γεώτρησης  ρευστού γεώτρησης
EN
A mixture of clays and chemicals and water; pumped down the drill pipe to lubricate and cool the drilling bit and to flush out the cuttings and to strengthen the sides of the hole WordNet 3.0
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