Development of a kind of new instrument used as injection water quality detector in oilfields

Development of a kind of new instrument used as injection water quality detector in oilfields
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DOI：
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发表时间：
2003
期刊：
Journal of Daqing Petroleum Institute
影响因子：
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通讯作者：
Si Guang
Si Guang
中科院分区：
其他
文献类型：
--
作者：
Si Guang

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分析了油田注水检测仪（OIWDI）的基本原理，建立了其测量模型。开发了适用于工作现场的 OIWDI。在系统电路图的设计中，我们采用了一个直流电压隔离转换器和一个AD625放大器。同时采用嵌入式C语言对硬件故障进行编程自诊断。因此，提高了系统的可靠性和抗干扰性。新型OIWDI可在工作现场同时测量注入水中油、铁和悬浮物的浓度，测量精度符合Q/DQ0020-87标准。
Radical theory of Oilfield Injection Water Detecting Instrument (OIWDI) is analysed and its measuring model is established. OIWDI, which is intended for the working site, is developed. During design of the system circuit diagram, we adopt a segregating convertor of volts DC and a AD625 magnifier. Meanwhile, C embedded is adopted to programed selfdiagnosis of hardware fault. So, it improves reliability and antijamming of the system. The novel OIWDI can measure the concentration of oil and iron and suspended matter of injection water at the same time at working sites and measuring precision meets the standard of Q/DQ0020-87.