Schlumberger Technology Corporation

Huang Zeng

Oliver Clinton Mullins

Youxiang Zuo

Christopher Harrison

Denise E Freed

Geza Horvath Szabo

Mary Jane Tsang Mui Ching

Ahmad Billal Sultani

A methodology that performs downhole fluid analysis of fluid properties of a reservoir and characterizes the reservoir based upon such downhole fluid analysis. The methodology acquires at least one fluid sample at a respective measurement station and performs downhole fluid analysis to measure properties of the fluid sample, including concentration of a plurality of high molecular weight components. For each of a plurality of type classes corresponding to different subsets of a predetermined set of high molecular weight components, a model is used to predict the concentration of the components of the given type class for the plurality of measurement stations. The predicted concentrations of the high molecular weight components for the plurality of type classes are then compared with corresponding concentrations measured by downhole fluid analysis for the plurality of measurement stations to identify the best matching type class. The results of the comparison are used for reservoir analysis.

Methods and apparatus for characterization of petroleum fluid employing analysis of high molecular weight components

A system and methodology enables improved quantification of an organic material, e.g. oil, in a sample. The technique comprises adding a substance to a two-phase sample containing the organic material and water. The substance is mixed through the sample until the constituents of the sample are solubilized to create an optically clear mixture. An optical technique is employed with respect to the optically clear mixture to quantitatively analyze the organic material in the sample.

System and method of quantifying an organic material in a sample

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Huang Zeng