天然氣為美國人提供了大約四分之一的能源。
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Eric Potter
Bureau of Economic Geology
Texas
Austin
Gas shale exploration is being done mainly by small to medium sized companies. Eric Potter is a program director in the Bureau of Economic Geology at the University of Texas at Austin. "The types of opportunities that are left for natural gas exploration in the U.S. have changed. So it's a differe…
Eric Potter是德克薩斯大學(xué)奧斯汀分校經(jīng)濟(jì)地質(zhì)局的項目主任。 Eric Potter說：“美國未來天然氣勘探的機(jī)會可能已經(jīng)發(fā)生了變化。所以這是不同類別的資源，并非那么容易開采。甚至20年前這些都被認(rèn)為是不值得開采的資源?！?他說，如今美國超過一半的天然氣來自這些新的資源儲備。 但水壓制裂法可能對地下水產(chǎn)生污染的風(fēng)險，…