نمایش نتیجه 1 تا 1 از 1 نتیجه یافت شده برای high-yield drilling clay:
n: a classification given to a group of commercial drilling-clay preparations having a yield of 35 to 50 barrels (5,565 to 7,950 litres) per ton and intermediate between bentonite and lowyield clays. Usually prepared by peptizing low- yield calcium montmorilionite clays or, in a few cases, by blending some bentonite with the peptised low-yield clay.
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