A two-component indepth profile modifying agent, LF-1, is prepared for plugging high permeable channellings in further bore zones of high pressure water injection Wells in Huqing, Zhongyuan.

为了封堵中原胡庆油田高压注水井远井地带的高渗层，研制了双液法堵剂LF 1。

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We also now have a high pressure safety injection system that will inject water into the core from the refuelling water storage tank.

我们现在也有一个高压力的安全加入系统，那会将水加入到核心里去，从加料储水箱里。

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This system is used to pump water into the core, low pressure safety injection and high pressure safety injection.

这个系统是用来将水抽到核心里去，降低压力安全加入和高压力，安全加入。

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Fracking involves the injection of water containing a surfactant and various other chemicals under high pressure into a source rock e.g. shale, causing the latter to fracture and release natural gas (principally methane).

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