It universally exists that injected pressure is high in a long time, injected water volume is low, the difference of injected pressure of each well is very large during oilfield development.

开发过程中普遍存在注水井长期注入压力居高不下、注入量低、单井注入压力差异大等问题。

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About 25, 000 wells a year are being fracked, a process in which water, chemicals and sand are injected at high pressure underground to release trapped natural gas.

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With the engine running, he can see on-screen how much fuel should be injected given X throttle pressure or Y coolant temperature.

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Next week, if all goes according to plan, a small mountain of snow will be melted, repeatedly sterilised and then injected in a high-pressure stream of near-boiling water to clear a bore-hole through the two miles of the ice-sheet.

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