Borehole gravimetry logging

Details Borehole gravimetry logging Borehole gravimetry logging

1985-12-23

1986-12-02

Kreitman, Stephen A.

Measuring and testing

Borehole or drilling

Downhole test

73151, G01V 700

Patent

active

046255478

ABSTRACT:
A borehole gravimetry survey is carried out by making gravity measurements at a plurality of measurement stations along an interval of the borehole. A moving average gradient is determined for gravity measurements taken from consecutive pairs of such measurement stations over the borehole interval. Each moving average gradient is inverse filtered to reduce the effect of the weighted averaging on the gravity measurements, thereby increasing the vertical resolution of the data.

REFERENCES:
patent: 4397181 (1983-08-01), Caldwell
patent: 4399693 (1983-08-01), Gournay
patent: 4419887 (1983-12-01), Gournay
patent: 4475386 (1984-10-01), Fitch et al.
patent: 4513618 (1985-04-01), Lautzenhiser
patent: 4517836 (1985-05-01), Lyle, Jr. et al.
patent: 4535625 (1985-08-01), Lyle, Jr.

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