--> Abstract: Petrophysical Relationship to Predict Synthetic Porosity Log, by Guntoro, Thariq; Putri, Intan A.; #90163 (2013)
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Petrophysical Relationship to Predict Synthetic Porosity Log

Guntoro, Thariq; Putri, Intan A.

In seismic analysis, P-Previous HitwaveNext Hit is an important attribute to identified the reservoir. It is sensitive with the presence of hydrocarbon either gas or oil. By Petrophysical relationship, the synthetic log can be estimated. Faust's Previous HitequationNext Hit used to obtain P-Previous HitwaveNext Hit velocity based on resistivity value. Gardner's Previous HitequationNext Hit used to derived P-Previous HitwaveNext Hit become density. Because of the porosity of a reservoir could be obtained based on resistivity and density, the log transform method could be used to estimate the porosity log. In this research, log transformation method used so that the synthetic log porosity in reservoir characterization with a depth of 5500 ft could be estimated. When the P-Previous HitwaveNext Hit velocity log estimated by Faust's Previous HitequationNext Hit, a better result obtained in a depth of 4300-5479 ft compared with the measured P-Previous HitwaveNext Hit velocity. A good results was also demonstrated by the conversion of P-Previous HitwaveTop velocity to density at a depth of 4216 - 5475 ft. The conclusion is porosity log transform might be valid at a depth of 4300-5400 ft.

 

AAPG Search and Discovery Article #90163©2013AAPG 2013 Annual Convention and Exhibition, Pittsburgh, Pennsylvania, May 19-22, 2013