| 摘要 |
<p>A method of processing data includes: disposing a downhole tool in a borehole in an earth formation, the downhole tool including a conductive carrier, a transmitter, a first receiver disposed at a first axial distance from the transmitter, and a second receiver disposed at a second axial distance from the transmitter that is less than the first axial distance; performing a downhole electromagnetic operation, the operation including transmitting an electromagnetic (EM) signal from the transmitter into the formation and detecting a first EM response signal by the first receiver and a second EM response signal by the second receiver; applying a linear transformation to the second EM response signal to generate a transformed signal, the linear transformation having parameters associated with a set of data corresponding to a signal representing the conductive carrier; and subtracting the transformed signal from the first EM response signal to generate a corrected EM signal.</p> |
