单词 | proppant |
释义 | proppant/ˈprɒp(ə)nt/noun A granular material which is pumped with a fluid medium under pressure into rock, so that fractures formed in this process are held open when the pressure is released, allowing oil or gas to flow more freely. Origin1960s; earliest use found in U.S. Patents. From prop + -ant. |
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