| 单词 | water sand |
| 释义 | > as lemmaswater sand water sand n. †(a) sand obtained from a river or freshwater lake, as distinct from sea-sand (obsolete); (b) (in drilling for water, oil, etc.) sand or sandstone with a high water content. ΚΠ 1683 J. Reid Scots Gard'ner i. vi. 29 If you ar forced to use Sea or water sand. 1725 R. Bradley Chomel's Dictionaire Œconomique at Sea and Water-sand Another Sand which we call Water-Sand, because taken from fresh Rivers, also Challenges a part in our Improvements. 1876 J. S. Caulkins Let. 11 Nov. in 5th Ann. Rep. State Board of Health Michigan (1878) 149 The water is reached in the sand, either quicksand, or in what the well-diggers call water-sand. 1922 Oil Weekly 13 May 67/3 The well was drilled past this water sand to a red limestone. 1992 Oil & Gas Jrnl. (Nexis) 8 June 46 (caption) Steam is injected into the reservoir without fracturing via the underlying water sand, which is permeable to the steam. < as lemmas |
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