In the evaluation of mud cap layers , cross - plot and nuclear magnetic resonance log porosity curve overlap method was adopted to the comprehensive analysis of yn2 well tight sand reservoir and 3 sets of reservoir - seal combinations are found accurately 筆者在重點(diǎn)對(duì)泥質(zhì)蓋層進(jìn)行研究評(píng)價(jià)的同時(shí),采用交會(huì)圖法和核磁共振測(cè)井孔隙度曲線(xiàn)重疊法對(duì)具有致密砂巖蓋層的yn2井進(jìn)行了全面地儲(chǔ)蓋組合評(píng)價(jià)分析,準(zhǔn)確地找到了三套儲(chǔ)蓋組合。
In order to recognize low resistivity oil layers , we have used many methods , such as engraving method , resistivity curve overlapping method , density and acoustic curves overlapping method , or density , acoustic and neutron curves overlapping method , as well as quantitative interpretation method , etc 為了識(shí)別低電阻油層,我們采用了多種方法,例如圖版法、電阻率曲線(xiàn)重疊法、密度與聲波曲線(xiàn)重疊法或密度、聲波與中子曲線(xiàn)重疊法,以及定量解釋法等。
Abstract : a new current feedback control method of brushless dc motor ( bldcm ) is introduced in this paper , which combines the traditional overlap method with the fixed - frequency sampling current control method . it both stabilizes the work frequency of the inverter , and improves the commutative performance of bldcm . and it is verified by the result of the simulation 文摘:提出一種永磁無(wú)刷直流電機(jī)電流反饋新的控制方法,即采用常規(guī)重疊換相法與定頻采樣電流控制相結(jié)合的方法,既能穩(wěn)定逆變器的工作頻率,又改善了永磁無(wú)刷直流電機(jī)的換相性能,利用仿真對(duì)提出的方法進(jìn)行了驗(yàn)證。
Detaching the wear region and background , caculating the threshold value is 151 , 147 , 118 taking overlap method and maximum dispersion method of high - load small particle abrasive wears low - load big particle abrasive wear and adhesive wear , then processing edge detection and skeleton map with classical sobel and gauss - laplace and kirsch arithmetic operators of template matching method , making the shape skeleton produced by different wear mechanism embodied cleared . and analysing the trait of shape skeleton 然后應(yīng)用邊緣檢測(cè)的經(jīng)典邊緣檢測(cè)算子sobel算子、 gauss - laplace算子和模板匹配法中的kirsch方法對(duì)圖像進(jìn)行邊緣檢測(cè)以及輪廓提取,使這三種磨損形式的不同磨損機(jī)制所產(chǎn)生的形狀輪廓得到清晰地體現(xiàn),并結(jié)合磨損機(jī)制分析形狀輪廓的特點(diǎn)。