The liquefaction experiment results showed that the oilproductionrate and conversion rate of the vitrain would be higher than the fusain.
液化试验结果表明，镜煤的油收率和转化率都要高于丝炭。
2
There is a correlation between accumulated water productionrate and accumulated oilproductionrate, which is a linear relation on semilog coordinate.
注水开发油田累计产水量和累计产油量存在一定的相关性，在半对数坐标上呈近似直线关系。
3
Slim hole sidetracking and window milling technology is one of the effective ways to cut down the comprehensive drilling cost and improve oilproductionrate.