Method for recharging sewage produced in natural energy exploitation stage of oil field to underground
The invention provides a method for recharging sewage produced in the natural energy exploitation stage of an oil field to the underground. The method comprises the steps that 1, the annual sewage output of the oil field in the natural energy exploitation stage is measured and calculated; step 2, sc...
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Format: | Patent |
Sprache: | chi ; eng |
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