permeable confining beds

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aquifer system — A body of permeable and poorly permeable material that functions regionally as a water yielding unit; it comprises two or more permeable beds separated at least locally by confining beds that impede ground water movement but do not greatly… … Lexicon of Cave and Karst Terminology
ground-water artery — A tubular body of permeable water filled material surrounded by confining beds [16] … Lexicon of Cave and Karst Terminology
Formation evaluation — In petroleum exploration and development, formation evaluation is used to determine the ability of a borehole to produce petroleum. Essentially, it is the process of recognizing a commercial well when you drill one .Modern rotary drilling usually … Wikipedia
GEOGRAPHICAL SURVEY — Names The name Ereẓ Israel (the Land of Israel) designates the land which, according to the Bible was promised as an inheritance to the Israelite tribes. In the course of time it came to be regarded first by the Jews and then also by the… … Encyclopedia of Judaism

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