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contaminated by mud filtrate zone

См. также в других словарях:

  • uncontaminated zone —    In electrical logging practice, the zone around a borehole that has not become contaminated by mud filtrate [16] …   Lexicon of Cave and Karst Terminology

  • Drilling mud — In geotechnical engineering, drilling mud, also known as spud mud (when beginning the drilling process), is a drilling fluid used to drill boreholes into the earth. Often used while drilling oil and natural gas wells and on exploration drilling… …   Wikipedia

  • Drilling fluid — This article is about fluids used when drilling a well. For fluids used with drill bits during metal working, see cutting fluid. Driller pouring a foaming agent down the rod string on a drilling rig In geotechnical engineering, drilling fluid is… …   Wikipedia


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