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为提高油田开发的经济效益，针对目前现场存在的计量问题，研制出了YWS型油井产量微机测算仪。该仪器集液面恢复法、功图法两种量油方法于一体，测量液面恢复速度和动图，通过软件判断和计算得到油井的日产量，也可仅测液面或功图，以观察油井的工作情况。该仪器代替了回声仪和水动力仪，拓宽了量油范围。经现场试验表明：仪器使用方便，测量准确，各井测量的相对误差均小于10％，达到了预定的技术指标。
In order to improve the economic benefits of oilfield development, aiming at the current metrology problems, a YWS oil well production computer calculator has been developed. The instrument sets the surface recovery method, the work of two methods of measurement oil method in one, measuring the speed of liquid recovery and dynamic analysis, judging by the software and calculated the daily output of oil wells, but also can only measure the surface or work to Observe the well’s work. The instrument replaces the echo and hydrodynamics, to broaden the range of oil volume. The field tests show that: the instrument is easy to use, accurate measurement, the relative error of each well measured less than 10%, reaching the predetermined technical indicators.