Method of increasing the vertical resolution of well log data

Details Method of increasing the vertical resolution of well log data Method of increasing the vertical resolution of well log data

1984-02-06

1985-08-20

Myracle, Jerry W.

Measuring and testing

Borehole or drilling

Downhole test

364422, E21B 4700

Patent

active

045356254

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. A processing technique is employed, wherein higher resolution values of logged measurements are obtained from information contained in the measurements themselves, and the response function of a logging tool and without emulating a white-noise driven system.

REFERENCES:
patent: 4440020 (1984-04-01), Boutemy et al.
R. E. Kalman, "A New Approach to Linear Filtering and Prediction Problems", Journal of Basic Engineering, vol. 82, pp. 35-45, Mar. 1960.
J. W. Bayless et al., "Application of the Kalman Filter to Continuous Signal Restoration", Geophysics, vol. 35, No. 1, Feb. 1970, pp. 2-36.
M. R. Foster et al., "Optimum Inverse Filters Which Shorten the Spacing of Velocity Logs", Geophysics, vol. XXVII, No. 3, Jun. 1962, pp. 317-326.

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