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Fremgangsmåte for bestemmelse av oljeinnhold i en underjordisk formasjon ved bruk av våt borekaks
Fremgangsmåte for bestemmelse av oljeinnhold i en underjordisk formasjon ved bruk av våt borekaks
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机译:用湿钻屑确定地下地层含油量的方法
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摘要
Methods are disclosed for evaluating wet cutting from a well borehole to determine the hydrocarbon content of the earth formations penetrated by the well borehole. The wet cuttings to be measured are mixed with a polar hydrocarbon solvent which has both hydrophilic and hydrophilic properties. The solution of the solvent and cutting is filtered and then its emission (fluorescence) spectrum is measured by irradiating it with ultraviolet radiation excitation at wavelengths at which most petroleum compounds fluoresce. The hydrocarbon content of the sample wet cuttings is then determined by comparing its fluorescence emission to the emission fluorescence of known samples.
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