【摘要】 根据示功图，先估算出产液量ＱＬ的初值。然后，计算出油管内流体的压力分布及密度分布。采用文中的方法求得计算值ＱＬ＇，若ＱＬ＇与ＱＬ相比小于所给的精度，则即为计算产液量，否则用代替ＱＬ，重新计算。结果表明，最大相对误差为１９．５８％，最小相对误差为１．３３％，相对误差在１５％以内的井占９０％。更多还原

【Abstract】 Assuming an initial value of produced liquid rate QL according to the dynamometer card, the distributions of pressure and density of the fluid in the tubing string are calculated.A calculated value of produced liquid rate can be obtained using this method.If the difference between QL and is allowable, the is the required value, otherwise repeat the above calculation using the as an initial value. The results show that the maximum relative error is 19.58%,the minimum relative error is 1.33%,and the wells with the relative error less than 15%account for 90 percent.更多还原