This well-washing equipment can serve to wash and dredge water-bearingstrata, and its washing dynamic utilizing is much more sufficient than any other methods ever.
Different characteristic of oil bearingstrata, especially permeability contrast can arise fingering of the water oil frontal during waterflooding stage in a regular multilayer reservoir.
常规多层油藏在注水开发时由于各储层物性差异特别是渗透率的差异,会引起各储层油水前缘的指进现象。
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Chlorine Energy Spectrum Log provides a new method for determining remaining oil saturation. It can identify oil bearingstrata and waterbearingstrata quickly and intuitively.