Abstract
The accuracy and stability of dynamometer diagram measurement are key assessment index for this technology. At present, separator measurement data is mostly taken as comparison benchmark for evaluation of dynamometer diagram measurement in Huabei Oilfield, resulting in large error in comparison. In view of existence of gas, water and pressure, gas/liquid separation of produced fluid is followed by separating measurement of gas and liquid. Gas and liquid mixture are measured by flow meter and weighing method, respectively. Higher precision measurement data is obtained. In combination with PLC programming control, this technology can realize fully automatic and continuous measurement. This device has been applied in 126 wells in Huabei Oilfield. Assisted by dynamometer diagram measurement software, point-to-point calibration and correction method of yield measurement is improved[.
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