Schlumberger

Industry Article: Using dielectric permittivity to evaluate Orinoco reserves

Dielectric Scanner Article
Publication: World Oil
Publication Date: 10/01/2010

In this challenging environment for reservoir characterization, PDVSA has experienced positive results using the new Dielectric Scanner multifrequency dielectric dispersion service from Schlumberger as part of an extensive reappraisal of the Orinoco belt. The wireline tool uses multifrequency dielectric dispersion to deliver high-resolution measurements that accurately determine oil saturation irrespective of clay content, water salinity, oil viscosity and marginal borehole conditions. In one case study in an appraisal well, the device delivered accurate measurement results under well conditions that included poor interwell correlation, and confirmed the operator’s suspicion about the existence of low-contrast pay.




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