Patent ID: 11946364
Assignee: HALLIBURTON ENERGY SERVICES, INC.
Field: Measurement (Instruments)
Classification: CPC E  G | IPC E  G

Claim 16:
17. The method of claim 16, wherein the guided wave reduction process comprises:
transferring the raw data into a time-domain;
determining a slowness range;
estimating a downward guided wave noise by stacking the one or more acoustic signals based at least in part on a positive slowness;
estimating an upward guided wave noise by stacking the one or more acoustic signals based at least in part on a negative slowness;
identifying a dominant direction of propagation;
identifying a slowness from a highest stacked amplitude for the dominant direction of propagation;
estimating a downward guided wave noise with the slowness;
estimating an upward guided wave noise with the slowness; and
subtracting the downward guided wave noise and the upward guided wave noise from the raw data.