waterflood


waterflood
I. \\ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷\ noun
Etymology: Middle English, from Old English wæterflōd from wæter water + flōd flood — more at water, flood
1. : a sweeping flood of water
2. : the act of flooding (as an oilwell) with water
II. \\ˈ ̷ ̷  ̷ ̷ ¦ ̷ ̷ \ intransitive verb
Etymology: water (I) + flood (II)
: to pump water into the ground around an oil well nearing depletion in order to force out additional oil
waterflood noun

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/waw"teuhr flud', wot"euhr-/, n.
(in the petroleum industry) a method of secondary recovery whereby water is pumped into reservoir rock to force out oil that has ceased to flow under its own pressure.
[1925-30; WATER + FLOOD]

Useful english dictionary. 2012.