Injection well

（重定向自Water injection well）

Cumulative number of earthquakes in the central U.S. The red cluster at the center of the map shows an area near Oklahoma which experienced the largest increase in activity since 2009.

An injection well is a device that places fluid deep underground into porous rock formations, such as sandstone or limestone, or into or below the shallow soil layer. The fluid may be water, wastewater, brine (salt water), or water mixed with chemicals.

单词	Water injection well
释义	Water injection well 英语百科 Injection well （重定向自Water injection well） An injection well is a device that places fluid deep underground into porous rock formations, such as sandstone or limestone, or into or below the shallow soil layer. The fluid may be water, wastewater, brine (salt water), or water mixed with chemicals.
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