Method of detecting and correcting impulse noise errors in log d

Details Method of detecting and correcting impulse noise errors in log d Method of detecting and correcting impulse noise errors in log d

1984-03-28

1987-06-30

Moskowitz, Nelson

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Land-reflection type

364422, G01V 140, G01V 136

Patent

active

046775960

ABSTRACT:
Disclosed is a logging technique wherein measured parameters which are inherently weighted average measurement values are inverse filtered to improve the resolution of the measured values. Higher resolution values of log measurements are obtained from information contained in the measurements themselves, and the response function of a logging tool. Measurement errors due to impulsive noise are detected, located and corrected using innovation data contained in the log measurements.

REFERENCES:
patent: 4535625 (1985-08-01), Lyle, Jr.
Thomas Kailath, Lectures on Linear Least--Squares Estimation.
Foster, et al., Optimum Inverse Filters which Shorten the Spacing of Velocity Logs, Geophysics, vol. XXVII, No. 3 (Jun., 1962), pp. 317-326.
Bayless, et al., Application of the Kalman Filter to Continuous Signal Restoration, Geophysics, vol. 35, No. 1, (Feb. 1970), pp. 2-23.
Julius S. Bendat, Allan G. Piersol, Random Data: Analysis and Measurement Procedures.

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