“productivity ratio”的概念、定义、翻译、参考文献-科学参考

单词	productivity ratio
释义	productivity ratio [´prä´dǝk`tiv·ǝd·ē ´rā·shō] ^{PETROLEUM ENGINEERING} 1. The amount of damage or improvement to reservoir formation permeability adjacent to the borehole (due to invasion or reduction of drilling mud present, drilling-fluid filtrate water, swollen clay particles, or salt or wax deposition). 2. The ratio of permeability calculated from the productivity index to the permeability calculated from reservoir buildup pressure.
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