(in the oil industry) the forcing of water into a reservoir formation, in particular as a technique of secondary recovery.
（石油工业用语）注水
Example sentencesExamples
All of these fields are old, but they have managed them in a ‘gold standard’ fashion by instituting careful and rigorous water injection to maintain very high reservoir pressures.
Much of Iraq's infrastructure is wrecked and some oil reservoirs may have been damaged by over-pumping, water injection or flooding.
But its pressure has been maintained by water injection, which is perfectly normal, but which might mask depletion.
It cites the fact that 90% of its oil comes from seven giant fields, all of which are mature and increasingly in need of water injection to keep pressure high underground.
In recent years, the Saudis have resorted to both water injection and so-called ‘bottle-brush’ drilling to maintain production - techniques that tend to accelerate decline and damage reservoirs.