Advances in resistivity processing improve well interpretation

Frank Hearn, Macmillan M. Wisler, Hal Meyer Baker Hughes Inteq Houston A new method for processing propagation resistivity log data allows for the simultaneous correction of anisotropy and dielectric constants, helping to improve horizontal and vertical well interpretation. This method uses all measured data to identify, differentiate, and correct for environmental effects. The method also corrects for bed-boundary effects using a distance to the nearest bed calculation. Without the removal of these effects, determining Rt (true resistivity) and analyzing the invasion profile remains complex and confusing. Because logging-while-drilling (LWD) propagation resistiv...

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