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試論頻率分析法用于兩相流體的流量測量(已修改)

2025-07-04 19:49 本頁面
 

【正文】 頻率分析法用于兩相流體的流量測量測井技術(shù)WELL LOGGING TECHNOLOGY1999年 第23卷 第3期   1999 沈 躍 陳世廉  摘要   沈躍,陳世廉.頻率分析法用于兩相流體的流量測量.測井技術(shù),1999,23(3):168~172  敘述了利用兩相流體的混合不均勻性來測量流體流量的頻率分析法?;诹黧w分散相的含水?dāng)_動(dòng)信號(hào)中含有流體密度信息和流速信息,通過對擾動(dòng)信號(hào)的高頻分量進(jìn)行相應(yīng)的數(shù)據(jù)處理,將流速信息取出,使單一的含水傳感器具有一定的流量測量能力。通過室內(nèi)模擬井試驗(yàn)證實(shí)了這種方法的可行性。對模擬井的流量實(shí)驗(yàn)數(shù)據(jù)進(jìn)行了分析?! ≈黝}詞: 頻率分析  兩相流動(dòng)  流體  流量測量  滑脫速度  實(shí)驗(yàn)數(shù)據(jù)ABSTRACT  Shen Yue, Chen Shilian.Measurement of Twophase Flowrate by Using Frequency Analysis Method.WLT, 1999, 23(3): 168~172  A frequency analysis method is presented in this paper for measuring the flowrate of oilwater twophase liquid mixtures.Perturbation signal at the output of a watercut transducer placed in a well contains information about fluid density and fluid velocity.Data processing is made to the high frequency ponent of the perturbation signal to acquire fluid velocity, thus, making the watercut transducer able to measure the fluid flowrate.The feasibility of this method is proved by the indoor simulation experiments. And the experiment data of flowrate from model wells is analysed.  Subject Terms: frequency analysis twophase flow fluid flow measuring slippage velocity experimental da
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