Well logging system for mapping structural and sedimentary dips

Details Well logging system for mapping structural and sedimentary dips Well logging system for mapping structural and sedimentary dips

1980-04-15

1983-11-08

Moskowitz, Nelson

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Well logging

367 33, 364422, G01V 140, G01V 130

Patent

active

044146566

ABSTRACT:
Disclosed is a well logging system using the output of a dipmeter tool, preferably a three or more trace tool, to produce a map showing at least one or more of the following characteristics of the earth formations surrounding a borehole: the location of a depth zone in which the formation dips are mutually consistent within defined criteria, the structural dip within a zone, the formation dips within a zone rotated to account for the shown structural dip of the zone, the confidence limits of the magnitude and azimuth of a shown structural dip and an azimuth frequency polar histogram of the dips within a zone. In addition, the system identifies sedimentary patterns within a zone, such as blue and red patterns and shows their nature and characteristics.

REFERENCES:
patent: 3256480 (1966-06-01), Rurge et al.
patent: 3590228 (1971-06-01), Burke
patent: 3691518 (1972-09-01), Schuster
patent: 3916372 (1975-10-01), Elliott
patent: 4174577 (1979-11-01), Lewis
patent: 4293933 (1981-10-01), Park et al.
patent: 4348748 (1982-09-01), Clavier et al.
Hepp et al, "Cluster-a Method . . . Surveys", 10/1/75, 56th Mtg. of Soc. of Pet. Eng. of AIME.
"Log Enterpretation, vol. II-Applications", 1974, Schlumberger, pp. 13-17.
"Fundamentals of Dipmeter Enterpretation", 1970, pp. 29, 61, Schlumberger.
IBM, "Dipmeter Log Processing", 12/4/72, pp. 1-9.

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