(1) A well log from which formation dip magnitude and azimuth can be determined. The resistivity dipmeter includes three or four (sometimes eight) micro-resistivity readings made using sensors distributed in azimuth about the logging sonde and a measurement of the azimuth of one of these; a measurement of the hole deviation or drift angle and its bearing; and one or two caliper measurements. The azimuth, deviation, and relative bearing are measured by a system similar to that described for the poteclinometer. The microresistivity curves are correlated to determine the difference in depth of bedding markers on different sides of the hole. See also high-resolution dipmeter and poteclinometer.

(2) Other types of dipmeters use three SP curves, three wall scratchers, etc. to produce logs.

(3) A log showing the formation dips calculated from the above, such as a tadpole plot or stick plot. See illustration of dip patterns at dip.

Registro Dip meter


A downhole tool used to make a dipmeter log or dip log.


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