求翻译：8、用于油井后期开泵、注入采油层，防止采油层地壳骨架塌陷，使得 距油井较远的石油比较顺利开采；是什么意思？

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The late 8, used in oil well drilling oil injection pump , crust layer layer to prevent oil drilling wells from skeletal collapse and makes it relatively far from the relatively smooth oil exploitation;

8th, uses in the oil well later period the pumping, pours into the extraction level, prevented the extraction level earth's crust skeleton collapse, causes to be apart from oil well far petroleum quite smooth mining;

8 late, for oil pumping, injected oil layer, prevent oil layer crustal skeleton collapse, making oil relatively smooth production far from the well;