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WATER/OIL/GAS EMULSIONS/FOAMS CHARACTERIZATION USING LOW FIELD NUCLEAR MAGNETIC RESONANCE

机译:利用低场核磁共振技术对水/油/天然气乳状液/泡沫进行表征

摘要

The present invention is directed to methods to identify and quantify the emulsion properties in oil and gas producing wells at downhole condition or pipelines using NMR and to provide potential treatment options. The longitudinal (T1), transverse (T2) relaxation times and diffusion coefficient of a fluid are changed by the presence of a second dispersed fluid phase in the form of bubbles or droplets. Properties may be determined by comparing the measured T1 and T2 spectra and diffusion coefficient at downhole conditions with the bulk responses of the constituent fluids.
机译:本发明涉及使用NMR在井下条件或管道下在油气生产井中鉴定和定量乳化液性质并提供潜在处理选择的方法。液体的纵向(T 1 ),横向(T 2 )弛豫时间和扩散系数通过以气泡形式存在的第二个分散流体相而改变或水滴。可以通过将井下条件下测得的T 1 和T 2 的光谱和扩散系数与组成流体的整体响应进行比较来确定属性。

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