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